FSE

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Just like any other day, the sun was slowly creeping up on the horizon of the small town. Though it wasn’t quite as rural as other places, it was a decently sized place with plenty of homes and business. The kind of small town you could go to and see not only a mix of the big chains but plenty of smaller shops owned by local residents to fill in the gaps of things that people might need. Cozy in its own right, you could drive in, find yourself a vacant home, and be welcomed in as another member of the community. And it wasn’t that long of a drive to the capital of the state either. There were plenty of people here that had grown up in this town and would never leave, staying in the same house they grew up in, or just finding another home to stay in. With even its own community college, you could go through your entire schooling right there. All sides of town were good sides of town, and there were hardly any problems. If you loathed traffic and big city life, this was the place to be. Though, it certainly wasn’t the choice of David to live here. Had he the opportunity, he would have already gone to a larger city to live out his big dreams of doing larger things. He had an inventive mind, always trying to find ways to make things better even if he didn’t have the tools or means to actually do it. Born and raised in the same town, he went all the way through high school, with plans to soon graduate and head to the Community College and learn more about things like engineering and electronics. But even his big dreams had to wait. He wasn’t that far along yet. He was only just turning eighteen today. Even though he had nearly finished high school, it wasn’t time for him to head to bigger things yet. And while he was already living on his own in a small house his parents helped him get, he was not closer to leaving and closer to putting down roots. He didn’t live alone, thankfully. Having even a small house with no one to share it with would get rather lonely. It was a good thing he already had a close companion for many years, his dog Rex. The now-large doberman was already by David’s side when he was a puppy, having been saved from living on the streets with a feral pack of dogs that had since been dealt with. Ever since then, Rex didn’t stray from David’s side, and had shown plenty of intelligence and logic in what he was doing. Most animals in this world were much more intelligent and sentient compared to ours. Even if the barrier to communicate with them hadn’t been broken, just from the way that they seemed to understand things was vastly different than what might be expected. A lot of them were treated with more respect, less like pets and more like companions. They weren’t even truly regarded as animals, and more just other people at times even. Though, that wasn’t the only difference about them… As the sun was starting to stream in through the windows, Rex was the first to rouse and wake up from his sleep. Though his sleep was rather light, as he had been counting the days along with David until this special day. The eighteenth birthday of his human companion was a special occasion, and in more ways than one. It was something that he had on his mind for a long time, and not just because it marked a coming of age. Since he was a small pup, he had known about the rather strange and hidden myths in regard to what the bond between a human and an animal could lead to. Though he wasn’t intimately familiar himself, he had become very closely aware of it all the way back from the feral pack that was a part of. One of the other dogs there had let him in on it, and even showed him what could happen. Having been documented on very few occasions, and mostly being hidden away from the public eye for its rather taboo nature, the eighteenth birthday of a human marked a special time of change in a human’s life. It’s such a specific time where if an animal were to mate with a virgin human on their eighteenth birthday, it would start an irreversible change that would cause that human to join with the animal. And Rex got a chance to see first hand what that outcome looked like. That same dog, one of the older and more prominent members of the pack, would never stop talking about it and showing off. He loved to show how much larger his sheath was, how packed away inside was his abnormally large length and how it was alive. While it didn’t look alive to Rex, the older mutt was very quick to explain how the look depended on how the animal wanted it to go, and how the bond between the two needed to be strong. But he’d never talk about who it was that he did this with, nor really provided any proof that it was real. At least not to Rex. But Rex believed him, and over time had heard of whisperings of the same thing happening to others, if just in passing or from other animals and dogs that he met in passing. He tried to learn as much as he could about it, hearing from some that it was a very good experience for both, and how it was the ultimate bond that a human and animal could make. And hearing things like that really set the doberman forward in what he had planned for this special day. His life had been so good, mostly thanks to David. When he was young and vulnerable, David was always there to make sure he was ok and give him food. He was never forgotten about, got to live inside and more. David had given him a comfortable life and saved him from a tough life on the streets. And that was something that he strived to give back for and show his appreciation. That’s why he strived to try and help David as much as he could. Sure, sometimes David wouldn’t listen, and would end up doing things that made him sad or got him hurt. But Rex didn’t blame the human for that. He couldn’t understand him or wasn’t listening right, even if the doberman was protesting about things. Even when he started to take a more controlling role, starting to push David around and get his point across more, the human still at times didn’t take the guidance he would give. Even so, this was a chance to really pay back David and show the human how much he cared. Not only that, but it was also the chance to show his companion that he was the one in charge, as it should be. David was so frail, and at times very meek. He would do things “nicely” only to his own detriment. That wasn’t how you survive in such a harsh world. If you aren’t careful, you’ll find yourself thrown on the street, having to fend for yourself with no one to care for you… Rex was resolved, slowly standing up from where he was sleeping just next to the bed as he was able to see just over the side. He saw David still asleep in bed, the covers half on his naked body and slightly snoring with the sunlight not yet stirring him from sleep. Not only was the dog about to do something that was good for both of them and would deepen their bond, but it was the best thing for David to finally let Rex be in charge and protect his companion. There would be no room for debate or any fussing over it, this was going to happen, and Rex would make sure of that. Knowing what he was about to do was making Rex rather giddy though, slowly going to pull himself up onto the bed with his front legs. It was at this point that he was quite thankful for his size, knowing that he might only stand around three feet tall, but could rival David’s size if he were to get up on both hind legs. It would make it easier for what he was about to do, nose going to slowly slip under the blanket covering David to pull back the sheet. The human always slept naked, something else Rex was thankful for in the moment. With David laying flat on his front at the moment, just seeing that rump on display was already getting him in the mood. He could feel his sheath getting tighter, his dick starting to swell and slip out of that fleshy prison as the bright red tip was open to the air. But it wouldn’t be as easy as just pushing it in. He knew he would have to at least get it a bit wet first… Before he ducked his head down, Rex gave a small look over David, checking to see if he was stirring or waking up. Not seeing any signs of movement though, he slowly lowered his head down to those pert cheeks, nudging them apart slightly with his nose before starting to lap his tongue in between. Though, his tongue did end up reaching a bit lower even, softly lapping at the back of the human’s sack as well and dragging up until it was along that hole. Feeling the slight twitching from the opening under his tongue, he did start to hear some slight noises from David as he kept at it a bit more, spreading his saliva over that rear and some on that sack inadvertently. Though, the noises were more pleasurable sounds rather than something signalling David wasn’t enjoying it. Almost like soft, muffled half-moans at first as he kept lapping there slowly. Rex couldn’t deny that the act was enjoyable for him as well, his sizable shaft already starting to slip free from his sheath more fully as he ran his wet tongue on where he would soon slip that red rocket. Now was no time to get caught up in things though. Rex had the perfect opportunity to get himself into the proper position, especially as he could start to hear some slight noises and more movement from David. He was definitely starting to wake up, and Rex didn’t want to have to fight to get him to stay put. Between that and deciding he had sufficiently slicked up that hole, the doberman was quick to step over top of the sleeping boy. With his front paws on either side of David’s chest, his throbbing shaft quickly found itself pressed up against those ass cheeks as he did his best to line up his tapered tip to that waiting entrance. For David, the feeling of some movement next to him wasn’t anything new. Still half-asleep, he was used to Rex waking him up in the mornings. Even as he was coming to, he didn’t quite notice anything was out of the ordinary as he slowly opened his eyes, letting out a slight yawn before his senses really kicked in. Already feeling odd, he instantly noticed that he was quite hard with his dick pressed up against the bed sheets, and noticing that the sun hadn’t even hit his eyes yet. One thing quickly pulled him out of his daze though, feeling something hot pressed up against his ass quite roughly, pressing harder up against him as it had finally found purchase and was jabbed directly against his hole. “Wh-what’s going - AH!” His words were cut, a sudden push forward behind him making him squirm as he tried to get up, only for his back to press right up against the underside of Rex overtop of him. “Rex, why are you - FUCK!” Again interrupted, he didn’t realize that he had just given Rex the perfect opening as he was getting up on all fours. Now with his ass raised up higher, it was much easier for the dog to thrust forward. A loud whine reached his ears as David’s own breath was taken away. He could feel it, the thick length sliding into his slickened hole, starting to spread it open as the dog’s cock was slipping into him with ease while Rex moved a step forward. Completely flabbergasted, unable to really understand what just happened, David tried to find the words. “Wh - How did - Why - REX!” But his words were met with a strong response. A loud, singular bark and another push forward as David let out a loud gasp and almost a scream as he felt that red hot length sliding deeper into him. He was still in shock, completely taken aback by what was happening. His mind didn’t even know what to think, where to go in this moment, almost frozen in place. But Rex wasn’t. The dog pushed forward again with a satisfied whine, stepping forward and now moving his front legs up against David’s arms. Feeling a rough pressing against his back, his front half was lowered down by the weight of the canine, almost pressing his head back against the bed as another thrust came through, spearing the length deeper into that virgin hole and throbbing like mad. And in that instant, David seemed to be stuck there. There was no real move he could make, pressed down by the dog and with such a large insertion slid inside him. He could feel the slight bump against his ring of a knot not yet formed, and started to feel the dog’s larger sack resting up against his own as Rex got more comfortable on top of him. “GET… GET OFF!” The words almost sounded half-hearted, as if panic were driving them. Of course, David was in panic, suddenly being mounted by his dog without warning and pressed down so roughly. But there was something else in those words. The way they weren’t consistent, the way he stopped before finishing it the first time. It wasn’t because the dog moved on top of him more, Rex was being quite still at the moment and seemingly giving David’s stretched ass a chance to get used to the dog dick that had forced its way in. It was the sense of pleasure that was already hitting David. He was hard before it happened, and it felt like he was only getting harder… His dick was throbbing under him, already seeming to start to leak as that length buried in him was pressing in so pleasantly… The thoughts were spreading, but being overtaken by the sheer panic of the situation. It was only starting to just now set in that David was being mounted by his dog. It felt like his brain was on fire, his thoughts everywhere at once as it felt like everything had changed in an instant. Not even in his wildest dreams could he imagine that his eighteenth birthday would start by being fucked awake by his companion. Neither did he even realize just how big his dog was… There had to have been at least eight inches of pulsating canine cock shoved into him, and that was even bigger than his own length! His five inch dick was throbbing all on its own under him, his testicles pressed up against the much larger ones of Rex as he could feel their warmth on his own… What was he thinking? Why was his focus suddenly so much on Rex’s shaft in him and how good it felt? He had to stop himself, slowly going to try and move again, only to feel the dog press down on him more and hear a few loud barks. He was being told to stay, and Rex wasn’t letting him move at all. The doberman even drove the point home, feeling that length pull back a bit before it was shoved in again, making the human gasp on the way out and let out a deep groan on the way in. It felt so good… Too good… Maybe he should just stay and let this happen… He couldn’t help it, his mind kept wandering more as the pleasure only seemed to be spreading over him. But it was so wrong! And he didn’t want this. If he did he would have asked Rex to fuck him before. Though maybe he should have with how good it was feeling… There it was again, his mind fighting over itself between the pleasure and the shock of what was happening. It was quickly setting in that this was more than any normal pleasure though, and something seriously different was happening. It was like something creeping up his body at first, a wave of sensation that was slowly crawling up his limbs coming from right where the pulsing red rocket was slid into his hole. As it passed his chest, he felt his heart suddenly tense up, as if something was squeezing over him before he felt it up his neck. He gulped down hard, trying to get it to stop but nothing happened, it traveled still up and over his head. In the very instance where it hit his forehead, it was like he instantly became acutely aware that he was experiencing something important. Like a blanket of content over his thoughts, his entire mind suddenly went quiet. His panic seemed to subside slightly, and the tingling pleasure surged across his body. So much, that he let out a soft moan on the spot, feeling precum drool out of his length and onto his bed sheets. Even with what felt like a weighted blanket covering him all over from the pleasurable sensation that had just rocked his body, it didn’t stop his panic from quickly coming back as a new one was already welling up inside him. And it seemed to happen the second that Rex pulled back and shoved in again. But not just once this time, quickly again, and again… As it was happening, the doberman started to get into a rhythm of sliding his cock in and out of that stretched ring, David almost felt a feeling of throbbing across his entire body, one that he was actively trying to fight in that very moment. As good as it felt, and as strong as the sensation was, David’s panic was really driving him forward here. The sensation that he got this was something that would change his entire existence shook him to his core, and he couldn’t help but press back against it. He tried to ignore the pleasure, even as he started to feel that fat knot bumping up against his ass and heavy orbs swinging with each thrust to slap against his own smaller pair. That slick canine shaft was pressing in so many areas, and running right over a specific spot in his rear that was sending electric shocks through him, something David could only think meant that Rex was pounding at his prostate. It wasn’t time to give in. Even as his precum drooled out onto the bed sheets more, soft grunts and huffs came out of his mouth as he could hear the loud plaps each time Rex pistoned into him, the human tried to hold onto what he knew. Wiggling slightly underneath the large dog, he tried to move away, only to hear a loud bark and feel Rex put more of his weight on top of his back. Not only that, but the thrusting got faster and rougher, each movement more shallow as the wet slaps of that thick bulge of flesh swelling at the base of the canine’s endowment was getting thicker yet. Not to mention the hot balls swinging up against his own. It was humiliating enough for him that he was being fucked so easily by his dog, but to feel the balls that were thicker and probably more potent than his own batter against his smaller ones was like the cherry on top. He didn’t speak as he felt the thrusts get even rougher still, trying to keep his composure as he still felt the panic surging through him. The throbbing sensation was getting stronger in his limps, making him squirm a bit more as it felt like things were reaching a fever pitch. It felt like his entire body was getting more sensitive, even as he tried to make himself more stiff and tense his body to try and fight whatever was happening. It was futile in the end, Rex very much having control over the situation, but David wasn’t just going to let this happen without a fight or some kind of resistance. One that was truly fading with each hard thrust into him. It felt like that red spire was getting in a bit deeper then before each time it was pulled out and pushed back in. His stretched ring was being pushed open more, starting to feel that thick knot wanting inside him. He could feel it pulsing slightly with each thrust in, a bit more gaining entry each time as his moans were becoming more like yells as his ring was plied apart a bit more each time. And then there was the sensation of his growing orgasm, feeling his balls ache from the rough smacks of the larger canine orbs and his cock begging for release underneath him. He was starting to lose his resistance, finding the pleasure too much as his mind continued to wander. Only this time, it was wandering exactly where he was trying not to. It was just too much and felt too good. As much as he wanted to deny it and stop what was happening, the way that tapered length slid in and out of him was amazing, like he was made to take it. It pressed all the right spots, the feeling of that knot starting to gape him open more scratching an itch he didn’t know he had. The taboo nature of the dog dominating him, making him his bitch and keeping him in place. Even the humiliation of knowing that length in him was so much larger than his, balls still pressing against his own each thrust and reminding him of how inadequate he was compared to Rex… David could tell it was a losing fight, especially as Rex got rougher yet. He could feel it, that knot about to push into him. As soon as that happened, he knew he was going to lose it. He would give in, he would break, and who knows what would happen. “Rex… Ahh… Stop… Don’t…” His words came out slow, ragged and in between deep breaths and groans. They were met with several loud barks and more weight against him, practically sandwiched against the bed with his ass high in the air and speared on dog cock as the response was obvious. It wasn’t his choice, this was happening, and it was going to finish now. With one more hard shove forward, David felt Rex push that knot up against him as hard as the dog could, just before the widest part of it pushed past his stretched rim. It slipped right in, and the second it did David saw stars. The entire length pushed in deeper, that thick knot already swelling up more as it rubbed and pressed against his insides. He couldn’t hold back, letting out a loud moan as his cock spasm and his body throbbed. His seed fired out of his length, starting to soak his bed as he could feel hot canine cum starting to fill his insides. The panic completely lost out, and in the throes of his orgasm the changes started to wash over his body. That sense of pleasure got so much stronger, feeling his mind almost get duller as all he could focus on was the extreme sensation of euphoria that washed over him. His rear instantly felt different, that intense throbbing starting to spread from there as his skin felt more soft and spongy. He didn’t have to look to feel the change slipping through him, with even any slight movement in the air being much easier to feel against his body. It surged through him, his legs and his belly at the same time quickly starting to feel the same. Getting up toward his chest, it seemed to start to slow, even if it was still progressing at a brisk pace. He looked toward his shoulder as he felt it getting closer there, watching his skin turning a deeper shade of red, looking rather veiny and visibly throbbing. There was some sort of pattern just slightly showing up in places, something that looked rougher than the smooth, red skin that was slipping up his arm as the changes were definitely deeper than just his skin. Up toward his neck and his head, he started to feel something welling up inside him, his breath getting caught slightly as even the feeling of his breath on his own lips was a source of pleasure. But none of the changes compared to a sudden shock to his head. It was like he was frozen still for a moment, like his brain had just hit a glitch and was stuck there, only to finish and suddenly let out a deep moan as his changed body was sending signals of pleasure through wherever it touched. His vision seemed different, still there but like a new perspective was forced on him. Even as it seemed like the bed and room was getting larger, he couldn’t help but feel smaller, yet more connected. “Wh-what… Is…” He started to try and speak again, only for his words to get caught in his throat. A loud bark came from above him, but not a normal bark. It was Rex, and it was very much his bark, but it was different. It was specific. It was words, coherent ones that he could understand, as if his brain had suddenly been able to translate the noise from the canine into words a person would say. And what he heard shook him. “That’s right David! I know you’ll love this! You belong under me!” That’s what the bark was, that was what Rex was saying on top of him, still pumping cum into his belly as that thick meat pulsed in his rear more. David tried to respond, tried to move, but it was like he was still stuck in place while changes were slipping over him. He couldn’t speak, feeling his throat different. Something new was forming in him, making him feel like everything inside him was being pushed away and making a direct like from his throat to his rear. An obvious bulge along his underside, that resembles a urethra on the bottom of a cock formed, pulsing softly as it connected one of him to the other. Even though he couldn’t see it, he could feel it there, and the bulge it had made in his body. There was now a tube through him, and he could already feel it filling up with the dog’s cum… Still overtop of him Rex wasn’t budging at all, softly panting while keeping him in place as his attempts to speak were still caught in his throat. Trying to get another word out was instead replaced by a very strange sensation, feeling fluid building up in his throat before it flooded his mouth quickly. He couldn’t stop it from coming up, soon dribbling out of his lips as the pressure built until he was forced to open. Seeing what was coming out and onto the bed gave him pause for a moment, the taste completely foreign to him but the look of the liquid not. It was Rex’s cum, coming out of his throat and seeping out of his mouth onto the bed. But not just that. It felt like he was drooling quite a lot as well, that throbbing sensation felt much stronger, although the spit didn’t really feel like spit… It was too slimy, more like… precum? Was he actually spitting up dog spunk and drooling pre? Why wasn’t he choking or anything? And why did it turn him on, make him feel good…? His entire body was going at the same time, slightly pulsing along with the same time his length was underneath him, still slowly spitting up and drooling onto the bed while creating a large wet spot underneath his mouth. It was a lot more compared to the space between his legs, nothing escaping from that knot swollen so heavily inside him and the very meager amount his cock had let out. It was such a surreal experience, but one that was resonating with him in a way he didn’t expect. Another loud bark from over top of him brought David out of his thoughts again, feeling a bit of movement from on top of him as Rex raised up some. “Wow, your ass feels great! I think you were made for this. I can feel you enjoying this.” The words echoed in his head overtop of the barks and noises that came from the doberman, feeling the canine moving off from on top of himi and doing the thing any dog would do after they had their knot in someone. He slowly turned around, now rear to rear and pressed back some as his cock still twitched heavily inside. His sack was rhythmically pulsing and clenching, something David could feel easily with it pressed up against his own. He wanted to respond so badly, still feeling the cum dribbling out of his mouth but starting to feel it subside some. With that sense of it starting to taper off, he tried to talk again, only to find that nothing really came out. His neck felt different, odd… Talking wasn’t really working like it normally should, just slight noises coming out that sounded like soft huffs or panting. It was like he had forgotten how to talk completely, the difference in how his throat was and how his body was softly throbbing all over making it difficult to use his muscles correctly like he would innately do before. But as soon as that difficulty was there, it suddenly evaporated, finally feeling his voice coming through as he spoke a bit slowly. “What… are you doing…?” Rex perked his ears up a bit, looking back behind him at David with a very happy bark. “Whoa, I can completely understand you now! I mean, I could before, but now it’s not just me guessing! I guess the bond is already starting! That means we’re doing it right!” Several barks of excitement came from him, almost losing track of his own thoughts for a second before he barked a bit more. “Oh, yeah, I fucked you, and started to bind you with me in a better way than we have before. You are gonna love where this goes, little snake! I can tell you already love it so far! I do too! You look so hot already, and it feels good to breed you and put you under me. You’re a great bitch!” Each line of the second set of barks just made David even more aware of what was going on, everything sinking in that much more as he heard from the doberman how good of a fuck he was. He was being praised by his dog for being a good bitch, and how good his ass felt taking the red rocket still throbbing inside him. It was so wrong, so very wrong, but yet it lit a fire inside him like never before. His cock throbbed again, still hard as a rock even though he had just emptied his load, and a part of him was saying he should just agree with Rex and do as he was told. That spark only helped to push things along though. As his thoughts danced around on that subject, he could feel that pleasurable throbbing growing stronger again, this time feeling his tongue slightly ache as it quickly felt different in his mouth. He could feel the end of it split, getting slightly longer and forked as he clumsily pushed it around in his mouth. The slick precum that was coming out of his saliva glands grew heavier, drooling down his chin and lips a bit more heavily before he even had the idea to stop thinking about submitting again. As soon as he did, it seemed to stifle the throbbing, not before he let out a slight moan that he hoped Rex didn’t hear… “What’sss happening to me?” The primary thing on David’s mind laid bare, he found that he couldn’t even say it properly with how his tongue was now, giving a very obvious lisp to his words as his S sounds seemed to push on way too long as he spoke. He was able to slowly start to lift up his front half some, still staying on all fours as the telltale slight tugging of any movement made by Rex behind him gave his rear and insides a bit of a rub and press from that still-hard and deep dog dick in him. Though, in the process of getting up and seeing his own hands, he let out a slight huff. Not only from the sensation of pleasure he got from his red, fleshy-looking skin slipping against the bed sheets, but the way that they looked along with his arms and what else he could see. He was able to get a glimpse of the bulge along his chest and neck, feeling that heavily as he was still drooling precum and the cum flowing through him and out of his throat. Rex’s reply was still just as vague and strange, not really answering the question directly at all. “Like I said, I’m helping you bind to me closely! I can only imagine how good it feels for you… And we are only getting started.” The loud barks didn’t show any signs that Rex was worried or anything, and in fact conveyed quite the opposite. “Just relax and enjoy things as they go. You have nothing to worry about. I’m in control and will take care of you from now on as long as you do as you’re told.” His demeanor wasn’t changing one bit, and in fact getting more staunch about that one fact. That he was in control, and David needed to do as he was told… It was still conflicting, the sensations spilling through him and the pleasure he was experiencing something that was telling him to just relax and enjoy it. He did trust Rex, and why shouldn’t he? They had spent almost every minute together since they were both younger. Rex had never done anything to harm him or steer him wrong, ever. David couldn’t really think of one thing since after a few times as a puppy he had torn up something or made a mess. The doberman was very well behaved, and he had noticed how at times the canine would try and warn him or push him to do things differently… But the changes to his body were blatant. He didn’t look normal anymore, his skin feeling so spongy and throbbing across his frame as he was still drooling that mix of dog cum and precum from his mouth. There was no way that this was real, and there had to be a way to get rid of the changes. Maybe it was just an allergic reaction or something? It didn’t matter, his panic was superseding the pleasure and the calming words, the trust in Rex and pushing him still to be in a worried and panicked state. “I - I don’t like thisss… I don’t underssstand… Pleasssse pull out of me!” As he spoke in that strange manner, he was finally getting the hang of things again, both talking and moving. He even slightly pushed himself forward, tugging at that length and feeling the knot maybe starting to come loose from his hole with a slight grunt. The slight pull and those words seemed to be all that David needed to do though, suddenly letting out a loud gasp as he felt Rex give a strong tug from the other direction. A deep moan escaped his lips involuntarily as he felt his hole stretched again, slipping over the thick knot as it came out with a slight, wet pop. The movement of the wet canine length sliding along his insides before that tip as well pulled out of him was so intoxicating, the feeling of his wet hole slightly dripping out what cum was still at that end and feeling it drool down his sack even more so. He didn’t move at all, now feeling his ass ring slightly gaped open from the large insertion finally removed, shivering in place as he was huffing and almost catching his breath from the feeling. It already threatened to send him spiraling again, wanting to dive back into the pleasure… Slightly shaking his head and pulling himself back out of that though, David slowly moved his body again. He still forgot how any part of him that touched anything else sent pleasure shooting through his body, making him huff as he moved to try and get to the edge of the bed, staying on all fours for now with how sore his ass was. Moving his head to the sides and down under himself, it was the first time he got to see how the red tone was across his entire body, even his legs and all the way down to his toes. And even now, feeling nothing new being pumped into him, his mouth still slightly drooled that precum-like fluid, even if it was in smaller amounts, leaking out of his lips and down his chin to land on the sheets. His plan was to move off the bed, but that was somewhat interrupted rather quickly as Rex moved behind him again. This time not to jump on top of him though, instead feeling that nose punt up against his rear and let out a soft huff as the long, wet tongue started to lick and lap at not just his still-drooling hole, but his sack below as well. He felt it slip over him, the sensation of being touched sending sparks of pleasure up his spine as it seemed the doberman was slowly starting to clean up some of the mess he made. David didn’t protest at this, just staying put as he felt the embarrassment of actually accepting the dog licking at him. Even when he felt that tongue slightly slip into his stretched ring, he stayed put. It didn’t help the sensation of his throbbing length at all, even less so as he felt Rex slowly moved to get more over his balls and get some licks in around his cock. The tongue was cleaning up any seed still left from his own orgasm, as well as all the spunk that had dribbled down from the rough mating. After a moment of that treatment though, David quickly heard a loud bark. “You don’t need to understand this. Just do as I say.” Those words resonated in his head, so much so that he was completely still as he felt the dog’s muzzle press up against his side. With a rough push, he was rolled onto his side and then his back, looking up at Rex as he let out a low huff from the sensation of his back resting against the damp sheets. The doberman slowly stepped over top of him, going to get a bit lower before his shaft rested right on top of David’s own, throbbing proudly as it smeared up against it. He couldn’t help but look, seeing past the bump along the front of his body of that tube that formed through him and able to easily see just how much bigger Rex’s cock was compared to his own.. Some soft whines came from Rex above him, ones of pleasure as he was slowly thrusting and frotting up against him. Some slight spurts of precum leaked onto the human’s cock, but the thing he was instantly focused on was the pleasure of being grinded on. Any spot the dog was against him, especially the rougher rubbing from the canine’s cock, just made him huff and groan. He could feel his body throbbing a bit harder as the pleasure in him increased again. “I want to know what you’re doing, why I can talk to you all of a sssudden…” The barks were loud and quick, and didn’t interrupt Rex’s slow grinding against David while he was on top. “I’m dry humping your cock to show you how much bigger I am than you, and because I’m trying to keep myself excited for when I mount you again. And you can understand me because you’re binding to me more closely, like I said before. Press back some!” The words were direct and strong, nothing haphazard or half-said. Rex was really getting into a more dominant mood, the last part of that order sounding forceful. When the first thing that came to David’s mind was to not do as he was just told, a slight twinge of guilt ran through him. He didn’t exactly know where it sprang from, maybe thinking about denying his companion what was wanted, or something else entirely. Either way, something spurred him to obey, slowly pressing his hips up against that throbbing length, and hearing the slight whine of pleasure in return. It felt better for him as well, the pleasure higher with how much harder the slight humps against his length were… But it didn’t sidetrack him from what was mostly on his mind. “But how isss thisss happening? Why today inssstead of any other time? Why couldn’t you asssk before?” The few barks before seemed rather annoyed and loud, almost making David recoil slightly. “It’s happening because I want it to! It could only happen if it was on your eighteenth birthday, and I didn’t ask because I’m deciding for you! Even if I wanted to ask, you couldn’t understand me like so many other times before when I tried to help and you didn’t notice. You shouldn’t ask so many questions and just relax and let this happen. It will be much better for you. And I know you like it.” The last words made David feel as transparent as glass. His attempts to hide his pleasure or his desire despite his panic didn’t seem to work, as much as he wasn’t ready to admit anything like that openly. David wasn’t entirely buying it. Though something in both his mind and his heart told him to just do as he was told, there was still a part of him that was in panic mode. Just from seeing himself and the feelings against his red skin, he felt like something was wrong and that he should be worried. He didn’t feel relaxed, nor did he feel like he really did like it with the way he was so conflicted. But it seemed like Rex was so confident, so sure that it had to be this way, that he was having a hard time thinking straight. Especially with all the pleasure the doberman was forcing onto him so heavily. Maybe he just needed to wash and do things normally, and maybe if he was not right next to Rex things would go back to normal. He didn’t feel right, or even clean at the moment, as he was still actively pressing up and enjoying the rough grinding from his dog on top of him. Mind still swimming in pleasure as the soft humps on him continued from that thick dog cock, David slightly shook his head a bit before he spoke again, precum dribbling from his lips still as he started to slowly move out from under Rex. “I jussst want to get up and take a sssshower…” Though there was a slight whimper from the canine, Rex just slowly stepped from on top of David, seemingly ok with the idea as the doberman barked loudly. “Ok, I guess, but I don’t see why you need one. Just a quick one and we’ll get back to the fun. I don’t want to wait that much longer!” The reply felt more like Rex was giving him permission rather than David telling Rex what to do. Just even that perspective was still shaking David a bit, still keeping that flame alive inside him that was making him so excited to be controlled and dominated by his companion… Being so taken aback, David almost missed his opportunity to get up, even if he did so slowly and with a few soft huffs from the pleasure that surged through him each time a new part of his body pressed up against the bed. He was quickly up and sitting on the side of the bed, going to stand and instantly feeling a shock of throbbing pleasure as he stepped on his foot. The pressure was really doing a number on him, making his head spin as he felt his leg pulse softly. But he still worked through it, taking another step and another as he headed out of the bedroom door with Rex directly behind. Walking into the hallway, David was quick to turn the corner and head straight into the bathroom. He didn’t hesitate at all to go straight up to where the bathtub was, turn on the hot water and pull the rod to turn on the shower, starting to let the water warm up a bit. When his attention turned toward the mirror, he almost stopped for a moment as he looked at himself in it. Looking back at him was someone completely foreign, someone he had never seen before. From this viewpoint, he was able to notice slight scale patterns on some parts of his body, getting a better look at the deep red color that had overtaken his skin, not to mention visibly seeing some of the way his flesh throbbed visibly, in a way that only reminded him of the length he just felt inside his rear earlier that morning. “Why do you want to take a shower anyway?” Rex barked rather loudly, having followed David into the bathroom and standing right next to him. Now standing and being right next to the canine, he definitely felt like the doberman was taller than before… But a bit more time looking and h e was definitely shorter. In fact, in that moment he sort of looked around him a bit, now just starting to notice his viewpoint slightly different from any other time before as he slightly snapped out of those thoughts enough to realize he was asked a question. “I jussst don’t feel clean…” Only now getting a second to actually focus on how he felt and as far as his cleanliness did he actually realize that he had just woken up in the morning to immediately being fucked by Rex, filled and dripping the leftover juices from his hole that had then been licked up by the dog. Beyond that, it was like his senses had been blacked out until just now, actually taking in a slight sniff of himself and finding it was an extremely heady scent. Not one that he had ever smelled on himself before. “And I sssmell.” With the water quickly warmed up, David was already stepping into the bathtub to feel the warm water starting to wash over him, making him shiver slightly as the feeling of water pouring onto his sensitive flesh sent shivers up his spine. Catching some slight movement in his eye and turning his head to see, David saw Rex move to sit down, prominently shoving off his still hard dick that was softly throbbing in the air, even drooling precum slightly as he barked toward his companion. “Well, I think you smell great! You look great too! I don’t think you need a shower.” Nevertheless, David wasn’t about to stop just because he heard that, already reaching for the soap and starting to try and lather it up onto his body after stepping just slightly away from the hot water. Rubbing the soap against himself still brought him pleasure, but he tried to ignore it as he focused on getting himself clean. He was still of the thought that if he just washed himself well enough, everything that happened would stop, and he’d be able to go back to how things were before this crazy morning. Of course, he wasn’t thinking far enough ahead about Rex, sitting there and watching him try and clean himself despite the horny canine showing he was still quite ready to do it again… As he was sliding the bar of soap along his body, he noticed one thing. Even if he wasn’t trying to be aroused, his length was still hard as a rock and at attention, slightly throbbing in the air as he brushed over it with the soap. He didn’t want to admit that he was still finding the situation hot, getting a better look at his body and getting more time to process just how good it felt to have something up against him… Shaking his head, he tried to brush those thoughts away again, staying focused instead on spreading his body with the soap. No matter how hard he scrubbed though, and even through the smell of the soap along with the heavy suds along his body, nothing was changing. He could still smell that heady, musky scent that was coming off of him, overpowering the nicer smelling soap as the red tone was plain to see. Even being away from Rex and not right up against him wasn’t doing anything, nothing feeling like it was going away or changing back to normal while instead giving him that same throbbing sensation through his body. It was a constant reminder of what had happened, each time he realized it was there his thoughts going back to being mounted by Rex and how good that cock felt in him… His eyes darted to the side, seeing Rex still sitting there patiently and looking over David, tapered shaft still completely on display and ready. It was starting to feel like he was trapped, stuck where he was and in his house, under close watch by the dog he thought was his companion now turned his controller. For yet another time this morning, his mind raced, his breathing picked up a bit as he was starting to seep into that panicked state again. Even in this state, his increased breath reminded him of what was happening, as with his mouth open and taking some breaths his slick drool leaked out uncontrollably. There had to be something he could do, but he just couldn’t think of it. Not wanting to raise suspicion, he slowly kept washing himself, sliding the soap along his legs and body still under the watchful eye of the doberman. It was probably obvious he was moving slower, but maybe Rex would just think it’s because he was getting that pleasured feeling and moving slower as he had been all morning instead of trying to think of what to do next. But there was only one thing coming to his mind. There was no way he could deal with this situation himself, and he couldn’t think of anything he could do but call for help. Even better, the phone wasn’t very far away, with one of the two cordless phones in the hallway. Deciding on a course of action, he didn’t even bother to wash his hair as he put the soap up, slowly getting the rest of the suds off himself under the water and trying not to look too rushed while he got himself as clean as he could be. It still made his heart drop a bit when he saw that same red flesh, the throbbing pleasure from touching any part of his body, and felt the precum building up in his mouth and wanting to be let out. The smell actually seemed stronger now, and that arousal was still burning bright in him. Nothing had changed, and in fact maybe had just gotten worse since he got in the shower. Now that bit of hope that it would help was gone, and only pushed him toward the inevitable option that kept pushing into his thoughts from time to time. Staying resolved in his objective though, David turned off the water in the shower and slowly reached out to grab a towel hanging on the rack just outside it. He stood in the tub still as he started to dry off, hearing the slight pants and seeing the peering eyes of Rex still looking at him as he was drying off. As he moved to step out, he heard a few more loud barks coming from the doberman, and almost blushed at what they meant. “See, you didn’t need a shower! You still smell great and look great! I can’t wait to play more, little snake!” While he probably should have been paying more attention to what was being said, David was too focused to hear that last little nickname, letting it completely pass by him as he just gave a slight nod as he moved to step out of the bathroom with the towel still with him. “Yeah, I guessss thisss isss jussst how I sssmell now…” Trying to have a more cheerful sound and slight smile as he said that, he took more slow steps out into the hallway while still drying himself. He was hoping to be putting on a nice and cooperative front to fool Rex for the moment until he could get to the phone, though he already heard the noise of the dog’s nails on the tile floor of the bathroom moving to follow him slowly. The bark behind him almost made him jump, putting a sense of dread into him as he listened. “Now where are you off to?” The words were exactly what David didn’t want to hear, slightly looking back as he kept drying himself a bit more, making a show of rubbing the towel through his hair. There was no reason to, as he was basically completely dry at this point, but he was still trying to keep something going to make it seem like he was busy. The hard part was going to be how to reply, quickly trying to think of something on the spot without taking too long. “I have to call Mom and Dad, remember? It’sss my birthday. They’ll want to meet later, ssso we need to sssetup when they ssshould come over.” It was complete bullshit. Even hearing how he said it, David didn’t think he’d even believe himself. Who would be so eager to call their parents right away in the morning to set up an outing with them? Not him, especially. He already knew what was probably coming, and was almost bracing himself as he heard the loud bark behind him. “NO!” Bracing didn’t help anything, quickly feeling Rex jumping up on him from behind and quickly being pushed down onto the ground. While Rex was a big dog, he had never been big enough before to have enough weight to push David around, but after this morning, with his stature a bit smaller and his weight not as much, he was like a twig compared to a brick. He was flat on his front, an involuntary groan coming from him as his entire front half smacked onto the carpet and sent a jolt of pleasure through his body. Laying on top of him was Rex, feeling that length pressed up against his back and now feeling much larger than before while his face was buried into the towel he was just carrying. Completely taken down and under the canine again, another loud bark rang through his ears. “You aren’t calling for help or anything! You aren’t calling anyone! You’re not gonna stop me from doing this!” It was such a forceful act, the roughness and domineering nature of it spending more than just shivers up David’s spine. It sent flames, pleasure heating up his body and clouding his mind. Instantly the thought to call for help dissipated, quickly being replaced by a slight itch inside his ass and a few twitches of his ass ring, not to mention the heavy throbbing underneath him. His thoughts raced again, but this time about how strong and controlling his dog was, and how he should obey. He didn’t even respond, just let out a slight huff as he laid there on the floor, opening his mouth slightly as the precum drool only seemed to get stronger with his growing need. A need that was already getting much stronger, much quicker. Especially as David could feel that length throbbing against his back, and the rough movement of Rex overtop of him moving to slide it along his lower back. Accompanied by some low growls and slight whines of his own pleasure, the doberman even squirted a few small spurts of precum onto him, just pressing and grinding into him more and more. He didn’t move an inch, just staying put and staying down without saying anything as he felt like any moment he would try and speak, a moan might come out instead that Rex would take advantage of. Though, it didn’t seem to matter whether Rex had something to take advantage of or not. He was still doing his slow frotting against David’s back, getting rougher with each slow hump as his length swelled out a bit more as well. Each time it slid along his back, David couldn’t help but have to stifle a moan, the itch in his hole getting that much stronger each time as he could tell Rex was getting to full hardness and taking his time teasing him. The loud bark of course confirmed his suspicions. “Time for me to fuck you again! Don’t worry, I’m sure after this one you won’t be so confused and upset. You’ll feel much better, just relax and enjoy it, little snake.” If the blush could be seen through the red skin, David would have been showing a very profuse blush as his first reaction was to do just that. He even felt himself relaxing reflexively, a soft moan escaping his lips as the precum fell out of his mouth slowly. The part of him that was in panic and trying to stop this had been washed over, that growing need to feel the length throbbing up against him inside him starting to take his focus as it was just getting stronger and stronger. It was almost unbearable, getting to the point where he was feeling himself raise up his hips slightly. Something that Rex was quick to take advantage of, feeling the dog move slightly to put his nose up against David’s hip and get under it slightly while pushing it up. He was growling the entire time he did so, the threatening noise making David cooperate as he slowly raised his rear higher, only to feel the red rocket slip more toward his rear and slowly come to rest in between his ass cheeks. The tip didn’t go right in though, instead feeling the thick shaft just softly pulse there as Rex got into a better position, but seemingly not to thrust in. “See, there’s a good little snake! You can follow orders when you want to, and I’m sure you are dying for me to fuck you, huh?” As his arousal was growing, David couldn’t help but feel those barks were staying longer in his mind than usual, as if they were bouncing around back and forth inside his skull and making him re-hear them several times over. It was almost maddening, but only from the fact that the thick canine cock was pulsing so heavily against his ass. He felt the precum drooling out of it, making it slick as he pressed back up against the length with his rear slightly. “Y-Yesss, pleassse… Fu-” David caught himself, his eyes going wide as he just realized that he was about to ask Rex to fuck him. What did get out of his mouth was completely by accident, hearing the soft growls and whines from Rex behind him as the doberman started to thrust again. He could feel that cock slip in his crack, letting him feel just how much larger it felt than before as he was being teased and dominated so thoroughly, and now so much more susceptible to it than last time. These barks were loud, mixed in with the growls and whines, and translated to a rather mean, yet sultry tone to David’s ears. “That’s right, little snake! Be a good bitch! I know you want my cock in you! Show me you deserve it, to bind to me more and become even more mine!” A soft moan escaped from the human’s lips at those words and that one, pressing back even more against the teasing length and his companion above him. If it wasn’t for just the slight bit of panic in his mind still present, he would have been completely broken by now and probably be begging for it like Rex wanted. But even awashed with arousal, he was still able to resist slightly as he felt the doberman slowly pull his length back, now feeling that throbbing, wet and tapered tip pressing roughly up against his ass ring. That specific sensation of the length about to go in him triggered his panic again, making it raise enough just for him not to respond to those last words, staying quiet and trying to stay still even if he wasn’t making an attempt to get away this time. Whether Rex saw it as obedience or eagerness, there was no way for him to say. But obviously the canine was happy about it, hearing those growls start to subside and be replaced with deep whines of pleasure as Rex started to push hard up against David to put his cock inside that tight ass again. But this time, it wasn’t quite as easy, and David could definitely feel it. He wasn’t sure if it was because he was smaller, Rex was bigger, Rex’s cock was bigger or a combination of all of them. But he felt it. The first push forward ended up with that tip slipping, sliding up and off the hole after not getting through from how tight it was. As soon as Rex recentered again and pushed forward roughly, this time he found purchase, along with the hallway filling with both a mixture of his own whines and David’s moans. David was definitely the louder of the two, gasping and moaning as the pleasure of being stretched was stronger this time, not just because of how aroused he was and less panicked but also because of how much larger that red rocket felt pushing into him with wild abandon. Each inch pushed in just as quickly as the last, noticing just how rough Rex was being and not giving David a chance to adjust at all as the hot dick was stuffed deeper into him quickly. Within a series of small thrusts, he felt like he was going to cum almost on the spot, already feeling it brush past and press his prostate from the inside as it made its way in. In his daze of pleasure, it was only a moment before he could already feel the bump of the dog’s knot against his hole again, those fat balls pressing up against his own. From that sensation, and how much larger those testicles felt against his own, he had quickly come to the conclusion that he was much smaller than before. The fact quickly dissipated in his head though, replaced by the immense pleasure of feeling the thick tool throbbing inside him again. David could feel the precum being spurted out inside him, the heat of it spreading through that tube in the center of his body as it moved through him. Not only that though, he was practically dribbling the precum from his own lips, the stuff his body was making all on its own joining Rex’s in a heavier amount as the towel his face was on was already getting damp with the fluid. His panic being squashed by his pleasure, almost as much as his prostate was from that length pushed inside, the only thing he could focus on was the sensation of his entire body pulsing in need. Meager amounts of precum compared to what he was drooling leaked from his hard shaft under him, but it wasn’t the focus of the pleasure. It was Rex. A pleasure that only got higher as the doberman started to slowly pull back, already starting to get ready to thrust in and fuck David roughly underneath him. After that first hard thrust in, hearing how loudly David moaned out, Rex replied with a few loud barks of his own. “Fuck you’re tighter! Even better than before! Better than any bitch I’ve ever fucked! But the best is still yet to come, little snake!” Words edging him on more, David started to press back more against that shaft as it was being pulled out of him again, only to be rewarded with a much harder thrust forward and the feeling of Rex’s balls slapping up against his own rather roughly. “Stay put bitch!” An order that David just moaned out and obeyed. Even if he wanted to protest, he would quickly find that there were other things he’d have to pay more attention to than what he was being told and the pleasure surging through him. He could feel it, the wave of change seeping over his body and spreading out from his rear, this time happening during the middle of the mating and before that knot had shoved in him. His mind was sufficiently distracted, too deep in the pleasure and enjoying the feeling too much to resist this time. Not that he wanted to right now. He wanted all the pleasure and release, too lost in his sensations and what had already been forced on him to fight back. The fast, heavy thrusting into his backside and the fat canine shaft spearing into him back and forth continued as he could feel the wave slipping through him. Though, this time it only seemed to go to two places, going through his midsection rather quickly before it seemed to be slow and lingering on his head. While it pushed down his legs, it seemed to be pooling around his rear and crotch, something that he was welcoming of more pleasure and sensation in that area at least at the moment. But the rest of himself seemed to have that feeling dissipate rather quickly as his moans continued, if slightly erratic as something was definitely happening to his face. Rex was having the best fuck of his life while David slowly moved a hand up toward his nose, letting out a slight gasp as he could feel his face elongating slowly. He felt his eyes getting larger, pushing upward as his head was getting flatter. His lips became more rounded, opening wider and on the sides as his nose flattened while a muzzle was quickly starting to show on his face. As all the muscle and bone seemed to be shifting into place, none of it was painful. If anything, it was even more pleasure while his sensitive flesh throbbed and pulsed. It was moving apace quickly, but moving faster each time he felt his entire body pulse with pleasure and need. A sensation that was starting to somewhat match the feeling of the tapered cock thrusting into him. His vision blacked out for a moment, his eyes shifting more as even with no eyesight he still cooperated, pressing back into the thrusts like an eager bitch for a strong sire. Though David never may have thought that way about himself before, he was definitely coming more and more around to keep himself in this position, especially if it brought this much pleasure. The moment his eyesight returned, it was different. His larger eyes seemed a bit duller, on the sides of his head and able to see a much larger range than before. Looking forward he could see his hand resting on the edge of his muzzle. Forked tongue pressing around inside the new addition to his face, he instantly found it both interesting and better than before, even if a part of him found it alien and wrong. That part wasn’t in control right now, and it would have to wait to say it’s peace. All David wanted right now was all the pleasure Rex was giving him, and to obey as he had been told to. Things were settling on his head, that sensation of change starting to dissipate as his muzzle was heavily leaking precum in copious amounts out of his open mouth as the one around his crotch and rear was still going. It started to pick up steam as the other stopped, and while David wanted to reach a hand down toward what was going on there, Rex’s legs stopped him from doing so. He didn’t need to feel down there though, especially as he felt the need to start to slip away from him. In fact, any thought about trying to reach for his manhood was starting to feel smaller and smaller, and starting to disappear just like his length and sack were. Not that he was worried about it, since he didn’t need it for Rex to fuck his ass so heavily like this. He didn’t even mind that the immense sack of the doberman was no longer pressing up against his own each thrust in. It was still slapping up against his rather smooth crotch though, a sensation he still enjoyed as his cock and balls were no more. As the heavy, strong thrusts into him continued, that feeling of change was starting to dissipate some, even if it lingered still across his entire body. Each time that length slipped back, David anticipated the feeling of it shoving back in, that heavy sack slapping up against him and that slowly swelling knot ramming at his entrance with increasing strength and vigor. The feeling of the heavy pulsing of the canine length was only getting stronger, his focus started to be just on that humping into his rear now that he didn’t have a length he needed to tend to. He wasn’t even really sure if he would feel an orgasm or anything as the rough fucking continued, but still didn’t stop enjoying it as he drolled precum through each of his needy moans. Even slight hissing was starting to get into his pleasured noises as he arched his back a bit more for his canine lover to get a better angle at pounding him. He was completely lost in the soup of sensations that was filled to the brim and more of pleasure, the small amount of panic and normal thoughts still kept buried inside him. That slight movement of David raising up his rear was a sign to Rex that things were progressing well, starting to growl a bit louder and thrust in harder with the new angle making it easier for him to. Each shove was getting more shallow and rougher, obviously feeling how excited the doberman was to get that now-swollen and throbbing knot into David’s rear. Stretching a bit more each time, the sensation of being spread open for the knot was intense. With it feeling so much larger than before, he was definitely being worked at much more roughly in order to get to that objective, something David was openly wanting and ready for. He even was about to tell Rex to knot him and beg for it, but found his mouth too full of precum to talk clearly at the moment, and instead just moaned louder and heavier for the dog to hear. Easily hearing the more pleasured sounds, Rex was definitely reacting happily to them. A few loud barks as he kept thrusting, Rex wasn’t about to stop his fucking just to say a few words, especially not ones to heavily charged with need and pleasure. “Such a good bitch, even making it easier for me to pound you! You’re so damn tight, but I’m gonna knot you right now!” And he wasn’t joking, the next few thrusts making David grunt and groan as they were extra hard, not even really pulling back at all and just trying to force that thick knot the rest of the way into his hole. With a resoundingly loud pop, and a long, loud moan coming from David, that knot did indeed push in, already starting to inflate rapidly and lock that shaft deep inside as both him and Rex hit their peak at basically the same moment. Though, this time, that was a very different feeling for David. Still feeling the tingling across his skin, he started to feel like it was changing a bit more still. The same scale-like pattern that he had seen earlier came in a bit more prominently, and while he wasn’t blowing a load onto the ground underneath him, he was still feeling the euphoric pleasure of an orgasm rock his body in a very unexpected way. It was more focused on his rear, clenching and squeezing over the dog dick stuck in it as his entire body throbbed in time with it, almost as if milking at it and helping give Rex that much more pleasure. Soft whines and even slight low barks came from Rex above him, even though no words were actually attached to them. That heavy sack pressed up against David started to clench and relax rhythmically, starting to feel that hot, fresh canine seed pumping out into him. It was quickly starting to travel up that tube in his body, making it slightly bulge out on his underside as it filled with the cum and slowly went through him more and more. He could feel the heat of it, the sensation of it moving through him so easily, almost bringing a strange sense of pride to his thoughts as he soon felt it welling up in his throat. Then, as quickly as it was being shot out into him, it was leaving his muzzle, almost coming out with even more force as he was practically spitting out the pearly white seed onto the towel that was already thoroughly soaked in precum. It seemed that David wasn’t the only one very deep in the throes of pleasure, feeling Rex almost moving to limp and rest on top of him as the canine kept the small whines and loud panting up during his own orgasm. The feeling was more comforting than anything, the weight pressed up on top of him and being underneath the doberman feeling just so natural now for some reason, and like this was the place that he was meant to be. His dreamy thoughts were drifting from one thing to another, about how good that length felt cumming in him, how right it felt to be tasting and spitting up the dog’s seed and how he was right where he belonged. In that moment of pure bliss, his panic and worry were far away, simply just there throbbing along with Rex’s shaft working to let out all that spunk. For the next minute or so that followed, but just rested there, moaning and whining with each other as they experienced that orgasm at the same time. But all good things had to come to an end, and as they were both coming out of that bliss, Rex was the one that had to make the first move. Without any sort of barking, panting heavily from his exertion, the doberman slowly started to step over David and turn around. Once again putting himself butt-to-butt with his companion, David could still feel that heavy sack clenching slightly every few moments, the cum being shot out into him and that length still tied to his hole. What he wasn’t expecting to feel was the sensation that the knot was getting larger… Just like the previous session, this time possibly a bit delayed, David could feel himself starting to get even smaller than he was currently. Soft gasps and loud groans came from him as he was still spitting up cum, feeling that red rocket in him seemingly larger by the moment, and feeling like the far wall and ceiling were getting farther and farther away. But this time it wasn’t panic that gripped him, but an even greater sense of pleasure. Not just because of how much better that length felt inside him with how large it was now, but because it meant he was tighter and squeezing harder over Rex’s length. His body was throbbing even stronger now, feeling like it was pulsing so strongly even in his head. It was like that little bit of panic that was still residing somewhere in his thoughts was under pressure, slowly being worked over and smoothed out into nothing but the same resounding feeling that was filling up his body. While his words were escaping him, Rex’s weren’t as he let out a few loud barks while simultaneously tugging a bit at his knot, feeling it not budging a single inch with how heavily inflated it was and how small that hole was. “Oh fuck, you’re so tight now! You feel like a sleeve made for my dick, made to milk and squeeze it! Such a good little snake!” The praise and teasing were only bringing more clarity to David’s thoughts. Rex was right, he was very tight and milking at that length so well. He still didn’t quite understand the ‘little snake’ part, but he didn’t have to. He let out a deep moan in response before he was able to find the words through the slight gurgling from the emerging cum in his throat. “Fuuuuck… Feelssss sssso goooood… Reexxxxx…” Almost instinctively he spoke in long, drawn out words, trying to tell Rex how he felt. But his head was so dizzy with pleasure and throbbing, that he wasn’t really thinking clearly enough. Not that he was worried about that, his dulled mind becoming such a slave to the constant pleasure his body and the feeling of that length in him were giving him. He didn’t even really know why he had such a hard time earlier accepting this with how great it was. Was he really going to try and call for help? That seemed so silly now. Who would give up all this amazing pleasure? There was no reason to try and get away from the doberman. He was so strong, so dominant… All the teasing, the way the canine was treating him, it was just perfect. Like a dream. Of course, Rex was quick to respond to those words with a few loud barks. “I knew you loved it! You were just being stubborn. Just let me use you and bind you to me, and I’ll take care of you, little snake!” Comforting yet still stern, it was obvious that Rex was doing this all out of a place of care, but also making sure that David knew his new place in things from now on. He was easily persuaded to lean into it more, staying still as his body throbbed softly while he drooled out the last of that load that was still leaking into him from that knotted cock. Though, that didn’t stop his curious mind from wandering some, as a minute or so passed before he tried to speak again. “Rexxx… I feel ssso good with the changesss… Will there be more…?” His words were still slow and slightly gurgling from how much his muzzle was leaking, the thick fluid still dribbling out onto the towel with an occasional mix in of dog cum that was still coming through him. Eyes half-lidded, he was in a state of mind that he could only describe as high, just enjoying the constant pleasure and knowing that he didn’t have to do anything at all to keep getting it. He just had to do as he was told by the canine, which right now was just feeling that length pulse in his rear. “Yes there will! Not yet though, maybe the next time I mount you. You seem to only take so much of it each time, but it won’t be too long before I pull out and am ready to fuck you again, little snake.” Already feeling his anticipation building after hearing those barks, David’s thoughts were already drifting toward what might happen next when he was mounted. Would it be even more pleasurable? What kind of changes? The one question that was most focused in his mind though, was why he was still being called ‘little snake’. Not asking right away, a few moments passed still as he was basking in the mixture of sensations moving through him before he finally spoke in that lisp and slight gurgling. “Why ‘little sssnake’...? What isss going to change…?” The words were so dull, the questions so simple and lacking any sort of depth. His tone had shifted, just sultry sounds and curious bewilderment in his voice while he asked them. It wasn’t because he was worried or wanting to stop anything. More him asking his better to help him understand and learn more, to be taught and trying to show his place as the lesser to the canine, and to think of any ways to make things easier or better for his dominant partner that he was happily submitting to. These barks were slower, almost like whines that lead to a bark that gave David the feeling Rex was being much more teasing than he was before. “I’m binding you to me in a very special way. I’m making sure that as you change to become a part of me, you’ll be a very special part of me in a very special way, just like you deserve. Soon you’ll be my throbbing snake cock, your home my fat sheath as all you have to do is enjoy pleasure and do as you’re told, little snake. You’ll be safe and taken care of, just having to throb and drool and spit my fluids and nothing more. It will be a good life, and you’ll be mine.” As the explanation went on, a part of David was all of a sudden starting to get worried again. He was going to be a dog’s cock? Would that really be a good life? It did feel great right now, he couldn’t deny that. He did want it deeply, at least that was what his pleasure and body were telling him. It was like that small part of him that had just been completely worked out started to arise again, but was still contained. Mind slowly drifting back into the pleasure, he let out a soft moan of sorts as he felt a light tug from that knot still lodged in him, feeling as if it was starting to tug out some as he spoke. “I - I’m ssscared Rex… That’ssss a big change…” Sounding meek and slightly worried, he still let out a soft groan as he felt another tug, getting the idea the doberman was trying to slip his knot out of his filled rear. Before answering, Rex did a few more soft tugs while David could feel that thick knob of flesh getting smaller slowly. It still took a bit of doing, but after a few more pulls and a wet pop, that knot did indeed pull out while coaxing a deep moan from David and a soft whine from Rex. That length didn’t pull out of him yet though, simply staying pushed in with the knot just outside of his hole as the greedy ass ring was still tight around the canine shaft, Rex’s loud barks drawing David’s attention. “Don’t worry or think about it, just relax and enjoy it. I know you will, and I’ll even give you a bit of a taste…” While he wasn’t sure he was ready for more, it didn’t seem like he had a choice as Rex was staying put right where he was, keeping his length still most of the way in. As David went to open his muzzle and try to speak in response, he instead suddenly gasped as he was finding out exactly what Rex meant by that comment. He could feel that length swelling out slightly inside him, the urethra of it getting thicker before the heavy sensation of hot liquid pouring out inside of him. Even as the soft whines came from the doberman, the flow of it continued, and was quickly starting to fill up that tube all the way through David as the warmth spread through his body. Quickly unable to speak as the feeling of the fluid welling up in his throat, he could already tell what it was before it even got into his mouth. It was acrid and hot, an extremely potent smell as the taste washed over his muzzle and quickly started to pour out of his lips. The yellow dog piss pushed through him so heavily and so quickly, the towel under his head was quickly being soaked in it. David almost recoiled on reaction, the taste and smell so strong and heavy that as he realized Rex was pissing through him, he wanted to immediately make it stop. But he couldn’t, something in his mind made him halt and just stay there like he was told, to relax and enjoy it. A perverse joy was starting to sprout in his head, almost letting out a heady huff as he kept spitting out the waste. His body radiated with pleasure, still throbbing, and almost even more strongly as he had Rex’s urine surging through him. He almost felt like this was a duty that he got to enjoy doing, even if it was seemingly revolting. In that single moment, it was like his taste buds and nose had a change of heart, starting to present it in a more enjoyable light… Mixtures of sensations and thoughts were swirling through his head as he was just staying there, letting the doberman empty his bladder into him and out the other end. But he couldn’t deny that the majority of both his body and his thoughts found it hot. Part of him was turned on by the thought that he was quite literally acting like the dog’s cock right now, letting that piss move through him and out his mouth like he was supposed to. Another found it demeaning and degrading, something that was becoming much more appealing to him over the course of the day so far. The strong dog forced him to deal with his piss, and made him enjoy it… Just that line of thought was making his entire body pulse much more strongly with pleasure as it was quickly overtaking the revolted side of his brain. He didn’t have to sit and wrestle with his thoughts for too long, the flow of urine already starting to taper off as he could start to feel the flow getting weaker. Toward the end of it, even as the last few drops were coming up from his throat, he couldn’t help but let out a slight moan as it dribbled from his lips. When he looked down, he saw the towel now completely yellow, stained with canine piss that had just gone through him completely and leaked from his muzzle. It almost made him proud to see the mess he made, and even more proud that he helped Rex empty his waste without complaint and without stopping, like a proper snake cock should. There was no doubt Rex would be able to tell his pride as well, his hole squeezing a bit harder in pleasure around the red rocket still lodged in it as he wordlessly enjoyed the demeaning act. Not having anything to add as he stayed in his position, his ass up in the air and his front half lower to the ground, David simply waited until he felt that cock slowly slip out of his hole with Rex’s movements, hearing the slight whine as the doberman stepped forward a bit more and pulled free. Suddenly not having anything in his ass made David feel a bit empty, nothing filling him up back there or inside as his mouth continued to drool the thick precum regardless. He still didn’t want to move, almost hoping that Rex would mount him again right away, or maybe clean up his hole with that tongue again… But after a moment instead, he heard a loud bark behind him. “Turn around, bitch. I’m leaving your hole a mess so it’s easier to slide in later. I want some attention from you before I mount you for the last time.” The words sent a tingle up David’s spine, making him throb a bit strongly across his cock flesh body as he swiftly obeyed. Staying on all fours and slowly moving to turn around, he was quickly face to face with Rex who was standing up proudly. This time though, it quickly dawned on David just how much smaller he had gotten during that second fucking. From all fours, Rex was now taller than him. And from how things looked, he figured that even if he were to stand up, the doberman might be taller still if not equal. Looking straight on, he had a great view of the messy dog dick throbbing softly in the air underneath the canine, having to look up to meet the gaze of his companion as he let out a slight huff at that feeling. Now being that much smaller than Rex, the feeling of being inferior to the dog was getting stronger, sending that same feeling from before up his spine and igniting that excitement in him all over again. Just like when he was first hearing Rex tease and demean him, feeling the dog’s length first entering him, the taboo nature of it was sending him into what he could only liken to a heat. He slightly opened his muzzle, drooling more precum heavily as he looked up toward the doberman. Rex took the wordless look and open muzzle as David waiting for an order from him obediently, letting out a few loud barks as he took just one step forward. “Good little snake. Time for you to get intimately acquainted with your home-to-be. My cock is a mess, clean it with your tongue!” It was a strong, proud order that shook David to his core, not hesitating for a moment to quickly start to crawl on all fours underneath the doberman face first. He didn’t stop for anything until he punted his nose up against that throbbing, tapered tip, able to smell both the cum and piss still lingering on the length as he moved up one hand to get a soft grip around the base before flicking out his tongue. The flavor was what he had come to expect, picking up both the cum and piss that had already been in his muzzle and he was already accustomed to as his forked tongue slowly moved along the underside of the entire shaft before slipping up along the tip. He heard some soft whines from the dog above him, followed by some slight pants as Rex stood still and enjoyed as the tongue moved again to slip along his cock. David couldn’t help but taste the pulsing length more, making sure to drag his tongue along the knot as well as his hand slightly rubbed over the sheath at the very base of the red cock, speaking slightly after finishing the next slow movement of his tongue heading back into his muzzle. “I’ll do anything for you, Rexxxx… I’m a good little ssssnake…” David hadn’t even thought about those words, not even registering in his mind that he was going to say them before they were already out of his lips in the half-gurgled fashion of his precum-drooling muzzle. Even if he had actually thought about what he was going to say, he wasn’t sure he would have changed anything. He really was happy to do anything for the doberman, the pleasure too strong and the desire so heavy to accept his new place and just ride the wave. If his mind before was a soup of pleasure, by now it was more like a complete ocean saturated in nothing but a deep need for it. And he knew the exact way to get it was just to keep doing as he was told, obeying Rex and letting the dog give him that pleasure. After a few more slow licks, a softer bark came from the canine. “Yes you are! Put it in your mouth, my slut!” More demeaning words, only pushing David to want more of them to ring out in his head. Even the second he was told them, he believed them to be true. He was a slut, Rex’s slut. Not a thought crossed his mind but how much pleasure he might get as he slowly opened his muzzle wide, slowly pushing his lips up and over that tapered tip while slipping that length deep into his mouth rather roughly. It was easy to push in, finding his throat rather stretchy to slip the tapered tip into as he took it like a pro, even trying to push the knot into his muzzle as he groaned around it softly. The deep whines from the dog above were all he needed to hear to know he was doing a good job, starting to slowly pull back and push back on as he started to blow that red rocket while his hand still kept a soft grip on the sheath past it. Having the length in his mouth was almost as good as having it in his hole, able to feel its strong throbbing and twitching and taste its fresh precum, a better taste than the stuff his mouth was making. He had no problem slipping it back and forth in his slick maw, and moaned around it happily as he did so. Even feeling a few soft thrusts from Rex above him into his lips, he tried to match his motion a bit as he got just a few thrusts of facefucking to enjoy before another loud bark was quickly sounded above him. “Oh fuck… Your muzzle is so good… But I can’t cum yet! I need to save that! That’s enough sucking, but not enough worship!” The rebuke actually made David recoil slightly. It made him feel like he did something wrong, being told that he hadn’t worshipped enough. He quickly had to fix that, he had to make sure he was doing everything right. The second he slowly slipped that length out from his lips, he was already going to lick along it carefully, letting out slight huffs as the shiny, clear precum had completely coated the throbbing dog cock. David wanted to do more, but he didn’t want to act without an order… What if he did something wrong? Rex would know what to do, what exactly to do to give the dog the most pleasure and get it in return… And as if right on cue, Rex took a slight step forward and moved just right to push his dick up along David’s muzzle, sliding that slicken length along it before the thick sheath past the knot had bumped up against his nose. Even without being told what to do, David felt like he knew exactly what Rex was asking as he quickly pushed out his tongue, going to slowly lick over the fuzzy sheath on the outside. The taste there was much more grimy, not just covered in the juices he had come to expect from the length, with a more earthy tone to it. But it didn’t stop him one bit, slowly going to lick along the entirety of that fleshy prison before he even started to try and push his tongue at the very opening of it. The slow, soft whine he got in return was all he needed to hear to know that he should keep doing what he was already, starting to slowly press with that forked appendage until he was able to slip it just into that sheath. Even stronger scents and flavors dashed along his tongue, the inside of that sheath holding nothing but raw cock musk and more as it stained his tongue. Either way, it felt right, normal. Like that taste and scent that he was somehow picking up on his tongue was exactly what he needed… He almost felt like he needed to push it open more, and push himself inside so he could rest all snug and comfy right where he should be… Thoughts interrupted by a jolting bark, Rex quickly solidified that thought in an instant. “Yeah, little snake, that’s going to be your home! You better get used to that. Don’t push too hard right now, just lick around a bit.” Something he was planning on doing anyway as he started to dash his tongue around just inside that sheath. With the sensation of the cock still pulsing away on his head, even dripping some precum onto him with the heavy pulsing, he pushed out his tongue more for it to slightly wrap around the base of that dick. Although his focus right now wasn’t the length itself, more the sheath surrounding it as his tongue bathed in whatever it was exactly stuck in there that seemed so incredibly familiar to him. He wanted to envelop himself in both that scent and taste, to feel that warm inside of the sheath squeezing his entire body as he rested underneath the doberman. It wasn’t even a revolting idea or something he would fight against, finding himself wanting this more and more with each passing moment. What seemed like just a moment was actually a few minutes of David slipping his tongue around in that sheath, much to the delight of Rex. The canine had even started slightly thrusting up against that muzzle his length was sitting on top of, almost frotting against the front of David’s head as his length drooled onto it. Though, it was obvious to David that the doberman was still trying his best not to cum or get too excited until he actually put it in him, feeling that sheath move away from him and his tongue slipping out as that length slid off his face and once again was throbbing in front of him. Pulling his tongue back into his mouth and enjoying the flavor it was soaked in, it was a moment of him just hypnotically watching that red rocket slightly pulse in the air before he heard another loud bark. “Alright, bitch, I’m almost ready to mount you again. But I still want more! Move and give my balls some attention!” A tantalizing offer that David was quick to indulge in, moving forward with his smaller body underneath the canine until he was past both that length and sheath to see that heavy sack he had felt slap up against him so many times. The thick orbs were actually hanging a bit low, able to see the slight movement of each from how aroused the dog was even before he had his nose up against the musky orbs. A long, deep sniff through his larger nostrils made him squirm, letting out a low moan afterward as he rested both nuts on the tip of his muzzle. Drawing in more of that heavy musk and letting it stain his nostrils, David was almost just happy to sit there and keep slowly breathing in the heavy scent. But he knew he had more work to do than just that, slowly moving to slip his tongue out of his mouth to give a quick lick to that sack. It tasted very similarly to the sheath, only with a much heavier emphasis on the same taste he would imagine was from himself. Each time those thick balls had slapped up against him had obviously picked up a mixture of the precum or seed that had dripped from his hole, the dog's own saliva from the area having been licked clean, or the similar grime that would have been left on it from just general moving around. While a lighter taste on his tongue, it was one that he wasn’t about to shy away from, already getting a few more licks in sliding around where the two, thick balls were kept inside. Soft whines from the attention came from above David, knowing Rex was enjoying the attention greatly as he even slowly cleaned forward to plant his lips on both balls. He gave a soft smooch to each of them, quickly followed by a few more long licks as he had to resist the urge to do more. He wanted to slowly slip them into his muzzle, get more of the taste of it as his focus was like a laser on just the heavy nuts that had spent all morning pumping seed into him. The same ones that he would soon be a part of, knowing they were going to help push more of that thick cum through him each time they clenched. They were indeed deserving of his attention, and David was too eager to wait for the order. Starting with the left one, he parted his lips while that tongue of his moved to skillfully wrap around it a bit, coaxing it past them until it slipped into his mouth proper. Each time his tongue lashed out to feel around the testicle, he heard a soft whimper from Rex just above him, only pushing him to want to do more. Applying a bit more pressure to it, he rolled it around in his mouth a bit more with his tongue, still making sure to be gentle before he let it out of his mouth. Not to leave the other one out of the fun, he quickly moved to take that one into his mouth as well, coating it in the precum that filled his maw while he licked and pressed at it softly. But it just wasn’t enough to do one at a time. David’s tongue quickly had the other ball in along with the first, finding he could mostly comfortably fit both inside with ease. He softly suckled on the nuts, getting more of that flavor that was stained into it over his tastebuds and in his mouth as he licked over both inside happily. Very careful to not tug on either, he had his nose purposefully pressed up between those back legs to not be pulling on either of the testicles too much, something that delighted Rex as that throbbing length was drooling precum profusely at the attention. A deep bark came from Rex, not very loudly or very sternly as the words rang through David’s head. “Very good little snake, I do like that a lot. But I have one more thing to show you before I mount you again. Let my balls out of your mouth and nuzzle my cock.” It was obvious from the tone that the doberman was reluctant to actually ask such a thing from David, definitely enjoying having his balls sucked on and licked at, letting out a slight whine as those balls were slowly let free from that muzzle. But like the very obedient bitch he had learned to be, David was quickly moving his attention toward that throbbing length again, moving to press it up against his face and softly smear his precum-coated lips on it. Waiting for his next order eagerly, he couldn’t help but slowly move his tongue to give the very bottom of that shaft a few small licks while he was doing his slow nuzzling and grinding his face up against that cock. He was happy to feel Rex slightly hump up against him as well, feeling the dick press up against him more roughly and slide across his rather slick head. Getting a bit coated in all the precum, it was feeling very slick across his muzzle, but more like it was supposed to be that way. It wasn’t a feeling of being filthy or covered in something, and more like he was supposed to be covered in it naturally. Even so, he was starting to get a bit restless as he kept nuzzling more, opening his muzzle to speak. “Pleassse tell me what to do… I want to sssserve you bessst…” Rex still didn’t bark or anything, instead slowly moving as his head dipped lower. He had curled to the side slightly, going to press his tongue up against David in one specific spot it seemed, one that had made David practically squirm as he let out a low moan. It was a super sensitive spot to him now, feeling his entire body throb and the amount of precum drooling out of his lips getting heavier from just that slight touch. Then he felt it again, another lick slipping over him and another before the doberman came to a stop. Only then did David hear that loud bark, feeling that cock pressed up against his muzzle a bit rougher. “Lick that same spot on my cock now, little snake. You’ll find you have the same sensitive spots on your body as my dick does.” It hadn’t even occurred to David that this could have been the case, slowly trying to think of where exactly on the dog’s cock was the equivalent of where he was just licked. But after a slow moment of thinking, he guided his tongue toward the side of that shaft, and slowly pressed his tongue against it. He heard the deep, loud whine come from Rex, feeling the precum leaking out more heavily against his muzzle as he did so. It was just like Rex had said, hearing the doberman enjoy the small lashes of that forked tongue as David licked over it a few times more. He would have continued even, if the dog hadn’t slightly pulled that length away and was already bending down again toward David. This time was a spot that was kind of expected, but was still a surprise about just how strongly sensitive it was when that tongue slowly lapped over it on David’s body. On his right hip, Rex slowly licked over that area until he heard a loud moan come from David, who was already trying to press that hip up against the doberman’s muzzle in need. He wanted more of it as the pleasure shot through his body, making him that much more excited and feeling his skin throb more from it. Even as the licking stopped, he knew exactly where he had to lick on the red rocket up against his face. No time passed at all before the forked tongue was already slipping over the side of the dog’s knot, even deflated easily showing and pulsing softly as more whines were coaxed from the canine. Getting rewarded in more precum bathing his face, David was happy to exploit that spot and give more pleasure to the canine, along with more juices on his head. He was getting more and more eager to feel that hot fluid slathered over him, wanting to produce more of it, and feeling an aching need to not just get the precum. He wanted seed now too, knowing that he needed it in him and on him. Starting to work rougher at that spot, he tried to push things further and get that creamy spunk to come out, only to be denied as Rex pulled his shaft away again with a loud bark. “Alright, alright, little snake! I see how eager you are, and how much you want my cock. I think it’s time you get in front of me and raise up your ass high, and beg me to mount you for the last time before you bind with me forever!” Not a second was wasted as soon as David got that message, almost scrambling to move away from the doberman on all fours. Not a thought went through his mind but excitement as he raised his ass up high, his front half lower against the ground as he instantly did as he was told. Showing off that messy hole of his, he was more than ready for Rex to mount him again, even though he knew what the consequences of it would be. This was it, the last time he would be mounted, and the last step needed before he would become the dog’s cock. He just had one more thing he had to do, and that was beg for it. “Pleassse Pleassse Pleassse fuck me Rexxx… I need your cock in me… I want to bind with you forever… My asssss achesss for your dick, and my body throbsss to be a part of you… I want to be your proper little sssnake, to live in your sssheath and leak your fluidsss… Pleasssse don’t make me wait longer!” There was never a thing David had been more focused on in his life, the need so deep and searing that it was like he would never be happy again if he didn’t get fucked right this moment. He just couldn’t wait anymore, even slightly shaking his rear from side to side and trying to entice the canine to mount him again. Nothing else mattered, his mouth drooling precum heavily and body pulsing with need and arousal that shook him to his core. His eagerness was showing perfectly, his need almost infectious in the air as Rex didn’t even bark back or anything to tell him. The canine was probably just as eager as he was, and David could tell as he already felt the heavy doberman overtop of him. Going to open his mouth, what came out instead was a very long and deep moan as he felt that red rocket smearing up against his ass cheek, already slipping between them as it seems like Rex wasn’t looking for any foreplay this time. Already he felt that tapered tip pressing in, slipping against his hole and feeling just how big it felt again. Even though it wasn’t too long since the last time he was spread open over that knot, it still seemed like it was going to be more of a challenge to fit in again. One that neither of them was about to turn down. No words were exchanged between the two, just Rex eagerly pressing that tip up against his hole, and David pushing back with a deep need and heavy grunts as just how much pressure he felt back there. Trying his best to stay relaxed, he could soon start to feel that tip spreading him open slightly, only making him want to push back more and more until with a loud moan from him and a deep whine from Rex, that length pushed in for the last time. His hole stretched open heavily, feeling like it was going to rip as the doberman just pushed in with rough thrusts. No breaks or time to adjust, within moments he had that hot, pulsing dog dick shoved in him to the knot. Almost immediately, David felt that wave of sensation starting to overtake him again, the one that he fought so hard before during the first time he was being mounted. There was no resistance this time, and it spread through his body almost instantly as he let out a low groan. Rex was staying put where he was, length buried so deep in his hole and being squeezed over tightly as it spurted that precum inside so heavily. It filled up David easily, starting to get that same sensation of heat flowing through him as it traveled up that tube in his body. It was within moments that he had the mixture of his own slick substance, his mouth drooled and the canine precum spilling out from his throat, drooling down onto the ground as he happily panted and huffed. It didn’t take long for that wave of pleasure to settle in, already starting to feel something different happening to his body. He almost felt a bit itchy at first, feeling his slick, red skin starting to become a bit more textured, while one look at his hand was showing him exactly what was happening. What was just a slight pattern before was really starting to come through, seeing his fingers and hands become scaled while keeping the same red color as before. It still felt slick and throbbing too, pulsing along with his arousal as that sensation was starting to go deeper than just the outside of him now as well. He could feel it deeper in his limbs, as if a lot of his muscle was slowly turning into the same sort of flesh, what he now knew was cock flesh. The moment that passed where he had the chance to focus on those changes was quickly gone, as even the slight movement from the doberman above him made him gasp as he felt that thick canine shaft pull back slowly. It thrusted back in roughly, making him moan out deeply and lovingly as the slow rhythm of that fat knot slapping up against him started. Not only that, but the heavy nuts he had become so intimately acquainted with now slapping up against his bare crotch each strong push forward. This time it didn’t feel so foreign though, that heavy sack up against him. It felt right, like it was supposed to be there all the time, and almost like an extension of himself. It for sure would be shortly, something that already was filling him with glee as the actual fucking started. Even as it continued, some of the same sensations of before were shining through. It felt like that searing hot rod of dog dick was only getting larger, making his insides feel that much more full, even though it was actually him getting smaller. He was starting to find it hard to keep his legs on the ground, now starting to get up from all fours and use his feet to keep his rear at just the right height while he continued to shrink. Though, it wasn’t the strongest of sensations he was getting right now by far, and not the change that was at the forefront of his mind. Not even the scales were the main thing he was focused on, even though he was happy to see them and realize he was taking on the name little snake in a rather fitting way. It was the pleasure, the throbbing and pulsing as more and more of his being was being changed to be nothing but spongy, engorged canine cock meat. Now being able to tell that the feeling before was only superficial, the immense pleasure he was getting and the growing need from it was like a battering ram. Each pulse, each throb was getting stronger and heavier. His mouth drolled more and more precum as his body was pulsing with such vigor and strength, and only getting stronger and stronger… WIth each heavy pulse across his body, David was sinking deeper and deeper into the pleasure. Eyes half-lidded and not even noticing the hair falling out of his head while it was being replaced with scales, he just stayed there obediently taking the pounding from his companion as his ass reflexively squeezed around the invading length. It was all just feeling so good, so impossibly pleasurable that he didn’t want it to end. Even as he was starting to feel that knot being shoved up against his hole with a much stronger force and knowing it was soon going to be plugging his rear, he didn’t react but with more moans, drooling and throbbing. Those nuts feeling that much larger as his size was getting smaller still just illustrated to him the impending amount of cum that was about to flood through him, already starting to anticipate the flavor on his tongue as Rex was getting much faster and rougher at a quicker pace than before. It made sense with how worked up the canine would have been from all the worship before. Rex had already been put pretty close to blowing his load from the lewd acts he had ordered David to do before this final rut took place. Even though it seemed like the fucking had just begun, the doberman was already starting to try and shove that thick knob of cock inside his little snake with each thrust forward. David obediently pressed back each time he felt that knot slapping up against him, even starting to feel his hole get stretched that much further with the increased size difference. But something else was starting to push its way through David’s thoughts at this very crucial moment. Like a worm surfacing out of the ground as it rained, without any specific rhyme or reason, on the very cusp of this permanent bonding between the two, it was like his rational mind was ready to give one last hurrah. It wasn’t just a small worm either, but a massive one, that suddenly made David gasp and his whole body tense up in that exact moment. The sudden realization broke through the immense wall of pleasure that had been built up around most of his thoughts, shattering it completely as his eyes went wide. It rang through his head, deafening. Everything else in that moment just disappeared. What was he doing? Why was he excited to be, of all things, a dog cock? When was being forcefully mounted by Rex a good thing? Why was he so obediently taking orders from the dog like it was second nature? Everything was wrong, and it was in this final moment that he just realized what he was doing and what was about to happen. He had to stop it. This was his last chance to do anything about it. As the pleasured noises stopped coming from him and panic set in, David was already suddenly trying to get away. He moved his arms forward, starting to pull himself forward slightly as he heard a low growl from Rex above him. He even responded to it, yelling out quickly. “No, wait, don’t, let me think…” His words were gurgled with the precum flowing through him and out of his muzzle. His attempt to move forward was instantly stopped, the sudden feeling of a heavy paw placed on his upper back as Rex had stepped on him. The touch sent waves of pleasure through him, a moan coming from him as the next especially rough thrust pushed a bit more of that knot into his ring, but not enough for it to slip in as several loud barks came from Rex. “Shut the fuck up little snake! Don’t you deny me my orgasm! Stop squirming and let me knot you, just enjoy it and become my cock!” The canine didn’t even seem phased by the fact that David was trying to get away, as if he was at the ready to pin down his companion in this very instance. With the size difference, it was extremely easy for Rex to just use a single paw to keep him in place. Just that amount of weight made any movement David made moot, stuck in place with his ass still raised up high and speared on the red, throbbing dick that his scales so easily matched now. He knew it was coming, he could feel the hard thrusts only getting harder, feeling that tapered tip reaching deeper than it had before in him as more of that knot got pushed in. Yet, there was nothing he could do, his voice going from the heaving breathing and slightly worried tone and breaking back into that lust dripping, sultry noise that he was giving just a minute ago with each new bit of knot pushed into him. The battering ram continued. Each hard thrust made him moan a bit louder involuntarily as his body throbbed so heavily. That panic that had gripped his mind was being clobbered with the next, and the next. His hole felt like it was being stretched too far, that pulsing bulb getting deeper and deeper, closing to popping in. He knew it would be the next thrust or two, that’s all more it would take. That thick canine cock pulsed in him so heavily and happily, twitching and aching to release in him and bind him forever into becoming it. In that last moment of clarity, he opened his mouth one more time to protest. “No, stop, don’t - Ffffuuuuuucckk!” He was cut off mid word, his mind instantly shattering as the pleasure took over once again as he felt the knot finally break in, sliding that cock deeper into him and being engulfed inside him with a loud, wet pop. That was all it took, already feeling that wave that was still present in him to suddenly kick into overdrive, his mind suddenly assaulted as he went limp in a massive daze that struck his system. Each heavy throb that followed was that much more agonizing, feeling even more of his body becoming nothing but the heavy cock flesh that was so fully engorged. The need was getting stronger and stronger as David laid there, completely limp and unable to escape as the final changes were already starting. He could start to feel it, the pulsing of that shaft getting closer and closer to matching the same pulsing through his body, the speed of his own heart getting faster to match it until it was completely synced. He panted loudly, just as loud as the panting from Rex above as he drooled more and more precum, though still didn’t feel any cum firing through him yet. Instead a very different sensation was spreading through him, centered on that stretched rear of his. Lines were getting blurred, if it was his heartbeat or Rex’s, and where exactly that dog cock stopped and he started. He could feel it merging inside of him, starting to feel the blood vessels connecting as parts of what was unchanged in his body were starting to shut down. They were being replaced by more cock flesh, spreading through his system at an alarming rate as he felt even more pleasure building by the second. The feeling of his own heartbeat was getting weaker, starting to disappear before suddenly all he could feel was the distant heartbeat of Rex while his own was no longer needed. In its place was just more spongy flesh, so heavy and engorged to the max as the changes continued. His stomach was gone, his bones starting to disappear as he could feel even more happening below his waist. It was getting more numb down there, his legs starting to lose feeling as everything continued all at once. Unable to speak from just how much precum was being pushed through him, his gurgled groans and huffs continued just along with Rex’s loud whines as he too seemed frozen in place. Breath suddenly catching and completely stopping, he almost went into panic until his brain just suddenly came to the realization that he didn’t need to breathe anymore. Instead, it was replaced by a new function. Throbbing. That’s all he needed to really do, was throb and pulse and enjoy the pleasure, obey the orders as his body was connecting and changing more. Past the knot still stuck in him, his hole was no longer a hole as it had merged with that length, spreading into the sheath slowly and rooting him strongly inside it. David could feel that sheath slowly as his senses were being spread more, even as his legs could no longer be moved. But there was more than just that happening behind him, not looking back as he was almost acutely aware of what was happening to his lower half. He could feel his legs pulling up, extending backwards some and starting to not only merge with that sheath and make it larger, but becoming more than just that. The flesh was molding, starting to look like two thick orbs that were moving along the underside of the doberman more, getting closer to a position underneath Rex’s back legs. Nothing was stopping or showing signs of slowing down. Continuing apace, David could feel more and more of the root of Rex's length - Was it right to call it Rex's length now? Wasn't he now becoming Rex's length? His thoughts suddenly reeled, his mind throwing a fit over how he saw himself and was experiencing things. But as soon as the next throb happened, his entire body shuddered, as well as his mind. It caved under that sensation, the changes happening not just to his body but to his thoughts, and quickly. It was like someone had gotten into his head and was slowly pulling up several wires, cutting them apart and putting them back together again. His thoughts like a circuit box being completely torn out and put back a different way, and not in a way that he had ever asked for, nor thought could happen. It was like Rex was forcing his will upon him, changing his very being to his core and redoing his personality, goals and how he saw himself in that very instant. The dominant canine was showing just how on top he was, not just figuratively but flexing just how easy it was for him to change everything about David to be exactly how he wanted. Any thoughts of doubt or worry over the situation were eradicated. There was no problem, no issue, just pleasure and acceptance. Obedience and embracing his new role. Even as his eyelids fluttered, he moaned out in pure joy as his entire view was shifted permanently. And the only way David could react to it was with happiness and reverence for what his new owner was doing to him. David could feel more of himself rooted in that sheath, becoming more and more what he was meant to be. Dog cock. Finally, his entire reason for being was coming true, gifted to him by Rex on his eighteenth birthday. This morning felt so far away, getting to enjoy the first time that fat canine dick pushed into him, and then again, all leading up to this moment. He didn't need anything else, not a care in his mind but for the changes to finish and to do what cocks do best. To pulse and throb, enjoy the pleasure and bring Rex pleasure, to spit out cum and pre, and pour out that hot urine over whatever Rex wanted. He couldn't wait to be a good cock, his mind alight with fireworks and pleasure as it was all coming true. As he was embracing everything that should be, all of this being right, the changes continued with even more gusto that he happily welcomed. The thick sheath behind him was getting larger as more of his mass contributed not only to his base, but to his proper home as well. The rest of those useless organs inside him quickly turned into more strong cock flesh, all ready to be filled and engorged for him to throb and pulse properly. Not to mention his legs, feeling the thick, new ball sack already starting to form with the heavy orbs inside, both easily rivaling the canine's own. David didn't really know how Rex planned to deal with having two sacks, but it wasn't his place to say anything or do anything. Rex was in charge, he was just the dog's little snake cock. As his hips were slowly being shaped more slimmer, the rest of that mass going to help make his base much more strong, David knew that the changes were almost done. He still had his snake-like head, arms and hands, but his long, slender snake cock body was strongly attached to Rex through that fat sheath, now hanging lower and heavier to accommodate the dog's new endowment. Even though the balls his body was becoming to add to just how virile the doberman was were still forming, the new snake cock felt content, already opening his muzzle wide and pouring out thick precum in heavy gouts as he spoke for the first time in his new form. “Oh Massssster… It'ssss everything I wanted and more… I am your magnificsssent cock! I ssshall sssserve and be with you forever, and my being is now complete!” Loud, long barks slightly pulled David - No, who was David? He shouldn't be calling himself or thinking about himself with that name anymore. That didn't make sense. He was now Rex's cock, a perfect snake cock serving the doberman, and he should make sure everyone knows it. That old name would be left behind unless he had to. - Loud, long barks pulled Little Snake out from his slight trance, still basking in all the new sensations that he almost forgot to listen to his new owner. The low whines and soft panting of the canine above him showed just how much Rex was enjoying the situation, not to mention that pulsing and throbbing be sent through him that wasn't of his own volition. While he could throb on his own if he wanted to, all of it right now was being driven by the dominant dog's arousal and desire, making him gush precum and throb so strongly even if he didn't want to. Not that he would ever do that, always happily ready to serve Rex in any capacity, and fervently accepting everything he would give. It took a moment past his racing mind to understand what those barks said, slowly reacting instead of quickly to the loud, lustful barks coming from Rex. “That's it Little Snake! Now you know your place! Good cock, but we aren't done yet. Just throb and squirm in the air for me while you coat yourself in my juices!” Told exactly what to do and exactly what to focus on, Little Snake only just then realized that he couldn't quite feel the balls he was attached to yet. He was a little embarrassed that he jumped the gun so quickly, but was ever so grateful for Rex to guide him back to what he should be doing, and how he should be acting. “Yesss, my owner!” Gurgled words being returned as Little Snake did just that, focusing only on the sensations being given to him, and wanting to do the best job he could for Rex. Just slightly throbbing in the air, testing how he was able to slightly move his body with his strong, cock flesh body, Little Snake throbbed that much more strongly as he moved his head upward a bit, pointing it just right so that any of that slick precum he was still profusely leaking would slowly slip down his body. He let out a low moan at that, enjoying the sensation of his new form getting coated in his own juices, and could only imagine what it would be like if he were coated in other's juices… But his thoughts were pulled away, again realizing what he was supposed to be focused on as Rex slowly moved for the first time since the merging had begun. He could feel himself moving in the air as his position changed, watching as Rex slowly moved to sit back on his haunches and lean down forward. Not wanting to be in the way, Little Snake slightly curled his body to not interrupt his owner's movements, watching that muzzle move down toward the two sacks that were currently pressed together. The next sensation that followed couldn't only have been described as an explosion of pleasure. In the very second that Rex's tongue lashed out to lick up against both sacks, Little Snake let out a very loud, very long moan as he could suddenly feel both at the same time. But it wasn't just the sensation of being licked on the balls, it was like he was suddenly there, feeling exactly what those heavy nuts were and wanted, just how full they were and ready to burst. It made him throb uncontrollably, this time of his own volition, and sending that same pleasure back through his connection to Rex and giving the canine the same pleasure. As the second lick came through, Little Snake then realized exactly what was happening, and what the goal was. He could innately feel it, the sack his merging had made and the canine's own pressed together, and both starting to merge into one. Another lick along the seam where both were, sending more ecstatic pleasure surging through the cock snake as he spurted more precum over himself while the excess splattered onto the floor below. Again, more licking, slowly causing both of them to press together, getting the idea that Rex wanted all four of those fat nuts in just one sack. Each new lick brought a new shot of enjoyment, and pushed them together more and more as Little Snake was able to feel more and more of not just the one he contributed to, but Rex's own between those legs. The same sack that had slapped up against him in the rough fucking he had gotten to enjoy all day long. Although he was just doing what he was told, Little Snake really couldn’t react other than to throb and moan out as each lick continued to that sack. Each time that tongue slipped over that seam between the two sacks, they grew more and more together, and more and more sensitive for Little Snake. He was starting to be able to feel the balls his body had turned into getting closer to the others, and was even starting to lose track of which were the ones he added and which were the ones Rex had to begin with. They were all equally fat, and so very very full. It was like Rex hadn’t even cummed at all that day, let alone in a long while. And that need was pushed directly onto Little Snake, throbbing in the air and still drooling precum all over himself as it slid down his body. He could feel it close to his sheath, starting to drip over it and make a rather large mess with just how much he was leaking, but he didn’t want to stop. Who would want to with all this need and desire, all this pleasure that he could not only get himself, but also give to Rex at the same time? With the top of both sacks completely together and attached at the spot of the original one, Rex was starting to let out soft whines with each lick as well. Already looking much larger than before, Little Snake could almost feel the entirety of both sets of balls now, with each lick bringing them closer and closer together. It wasn’t going to take very long for things to finish, but he knew it was going to get close to making both him and Rex cum as soon as it did. A few more licks, and both of them stopped for a second, letting out a low moan as the two new orbs joined the original two in that one sack, pressed up against each other and all four extremely full. Little Snake was exactly right, as when that final lick happened, he had to try and hold back as the incredible pleasure surged through him. That final wave of pleasure was more than just to mark those balls merging together. It was the finality of the changes, something both Little Snake and Rex could feel instantly. That deep sensation of changes had suddenly washed away, replaced instantly by an extreme pleasure and heavy pressure within the snake cock as everything was settling. But that need wasn’t just Little Snake’s, but the doberman’s as well. An incredible desire that he just couldn’t ignore, and wouldn’t stop himself from indulging in to find release. With the connection between the two now completely solid, never to be broken again, Little Snake knew this was how things were and would never change otherwise. He was now permanently Rex’s snake cock, and was now eagerly excited to blow his first load. An excitement that Rex seemed to share, and one that seemed to be infectious as well. Even before Rex seemed to move to do something, through their strong connection, Little Snake could tell what the doberman was going to do or wanted before it happened, and was even reacting to it slightly to help make it happen without Rex having barked a word. Getting up from his haunches, the canine was quickly standing on all fours again, Little Snake hovering below him and above the ground even though he was already starting to move himself lower. Acting as if he was given a wordless command, Little Snake didn’t hesitate to roughly press himself up against the floor, letting out a loud moan as he did and spurting precum heavily from his muzzle as the pleasure from pressing up against it shot through him. Even though it was the rough carpet, he didn’t care, pressing himself up against it roughly even before Rex had a chance to hump at it and slide him across the precum soaked carpet. With a loud, set sound of pulsing dick flesh against the wet fabric, the doberman was quickly starting to try and get as much pleasure as he could, even if that meant almost literally fucking the floor with his new snake cock. Little Snake knew it too, could feel that need and was doing his best to squirm and rub himself into the ground eagerly. He could feel that orgasm already brewing, both in his throbbing body and the way the precum flowed up his throat, not to mention the four, full balls he was connected to clenching and relaxing so quickly and so needily. As absurd as it was, Rex continued to just grind his squirming cock into the ground while panting and whining loudly. It was so close, a release that felt like it was going to be so heavy he would remember it for the rest of his life. The pressure was building, the feeling of those nuts getting so much tighter, and the pleasure from his new shaft eager for it as well. All things that Little Snake was picking up on, even trying to stretch himself out and press and rub almost all of his two foot length onto the floor in the extreme need. His effort bore fruit, only taking a few more rough humps before the orgasm hit both of them like a freight train, causing both of them to shudder as Little Snake moaned and Rex let out a loud howl. The first orgasm with both of them connected, and the first one for Little Snake as a proper snake cock, only amplified the pleasure for both as it ricocheted between the two. Like a snowball rolling back and forth through fresh snow, their sounds of pleasure and the pure ecstasy both were experiencing only got larger and larger as that first rope of cum came from those clenched and pulled up balls. Little Snake could feel his underside getting thicker, filling up so strongly in an almost painful matter as the pearly white seed shot through him so heavily before firing out of his mouth, straight from his throat and over his tongue as it practically rocketed out into the air. With such force, the carpet was coated in the fresh spunk that shot out quite a distance, with more already starting to follow as Little Snake just opened his maw wide happily. Each new bout of canine cum was pumped into him, loud noises of wet, splattering semen being covered up between their shared gurgled moans and deep whimpers as it didn’t end in just a few shots of cum. All four of those heavy balls had to be empty, not to mention that massive prostate that part of Little Snake contributed to as it just kept coming and coming. Rex’s shaky legs managed to keep him up, Little snake still against the floor and resting there as his entire body pulsed the strongest it had so far. It left him struck in awe, mind soaked in orgasmic pleasure as he was just there doing what he was made to do. Just a big doberman’s snake cock spitting out all that hot cum, and enjoying every moment of it. Seconds turned to minutes, the amount of time it was taking for all that newly made seed to fire through definitely lasting a while as both were kept deep in the throes of the intense pleasure. Little Snake was just happily watching as that carpet became more and more white the longer things went, a thick layer of the pearly cum overtop the soaked flooring as all of his attention was focused on just enjoying that strong orgasm. Nothing else was in his head, no wondering or questions, no panic or anything. Just actively thinking about how good it felt, how much he was cumming, and each heavy throb after the next as he spewed out the thick cream. Not nearly as strongly as it came, the orgasm was starting to die down. The constant moans coming from the cock snake and the loud whines from the doberman slowly started to fall off and be replaced by panting and huffing, though there was still plenty of moaning coming from Little Snake. Even as they were basking in the afterglow, completely unlike Rex, Little Snake's existence was still nothing but pleasure and throbbing, still laying against the ground and leaking out the last of the cum that was being shot through him from those four, heavy nuts. There was a part of him that was starting to feel tired, but it still wasn't his focus. He was still very hard and enjoying every sensation. He found that things felt very different now. As the clarity was coming to him after everything just being non-stop pleasure, Little Snake was quickly coming to realize that a lot of the things that he had to worry about before were no longer an issue. So many times after he had masturbated, he would feel thirsty or hungry. But that feeling wasn't present here. He didn't have a need to get a drink or eat anything. In fact, he didn't need anything at all, to move around or even catch his breath. The only reason he was huffing or panting was simply because of how much pleasure he was feeling. With the strong orgasm passing and the afterglow starting to fall away, he felt perfect. Like he could do it all over again right now, and even had half a mind to try and ask Rex to cum again so he could pump more punk onto the floor. But another sensation was quickly starting to creep in. As the orgasmic bliss was slowly slipping away, the throbbing through his body seemed to be getting less strong and less present. He could feel it starting to slip, and another need was quickly arising. He suddenly was feeling quite tired and lethargic, unsure if it was something Rex was forcing onto him or something he was feeling himself. For lack of a better way to put it, he was quickly starting to feel spent. So much that he almost wanted to take a nap, and his thoughts were turning toward that thick sheath wrapped around his base… Little Snake's attention was pulled elsewhere though, feeling through that connection just before it happened as Rex slowly moved to rest on his haunches again, but this time for a specific reason. Bringing himself up from the floor, a good amount of precum and the thick seed on his scales, the cock snake was already anticipating feeling the dog's tongue slowly lick across his muzzle as he let out a slight moan at that. Leaning into the lick a bit, he refrained from just pushing his messy shaft body up against his owner's underside, wanting to press in and show some loving attention to Rex even as he heard the loud bark. “You did a great job Little Snake… So messy… Let your master clean you up, and then it's time to rest.” The words sent a shiver down Little Snake's body, that slight tingling feeling of when someone you really trust or enjoy being around tells you how good you did and shows you exactly your place. Is that kind of feeling just something that he might feel? Is that a feeling that a normal person even feels? It doesn't matter, that's exactly how it felt to Little Snake, and he wouldn't have had it any other way. He let out a slight hiss of pleasure as that tongue lapped at him again, slowly sliding over his head and starting to move down toward his neck as the slick, sticky precum and seed was being licked from his body. The amount of precum he was leaking had gone down significantly, almost nothing after the strong orgasm. Though he imagined with just how spent he was feeling, Rex was probably feeling the same way and suppressing how much he was leaking. His master was trying to get him clean after all, and having him leak more would be pretty counterproductive. Even though each lick was a shot of pleasure along his body, Little Snake wasn't feeling like he was getting more engorged or aroused. It was quite the opposite. All of the stimulation wasn't really leading to anything, and instead he was feeling more and more tired by the moment. Maybe it was because of what his owner said, what the doberman wanted, but it didn't feel like that. As he was still coming to understand his new form and situation, it started to become clear to him. Just like a normal cock, after cumming, it was time to get soft and small and rest for a while before coming out again. And he was no exception. He was a dog cock after all, even with the special circumstances for how he looked and all. Lick after lick went over his body, having started from the very top and now moving down toward his arms, each getting their own tongue bath as that specific smell of musky dog dick and doberman spit was really starting to come through overtop of the pool of canine seed on the floor. Just that subtle change of smell made Little Snake excited to smell what the inside of his sheath smelled like. Was it technically his sheath? While it did belong to his owner, just like he did, it was technically part of him and his home… While his thoughts probably could have wandered more on the subject, he instead just settled that it was his sheath, but just like himself was owned by Rex. That seemed more proper. The tongue bath continued, as soon as Little Snake felt the licks moving more lower, he figured it was as good a time as any to lean in closer. While he had realized that he had shrunk quite a bit, just the amount of how much and the size difference now was readily apparent as he tried to lean forward to give Rex a hug while at the same time curling his lower half for the tongue to be able to get to. Not hearing any complaints or anything, he pressed into the doberman's chest, moving his arms to try and get as much as he could around while nuzzling up against the very base of the canine's neck in a loving manner as he spoke. “I'm sssso happy Master… Thank you for making me your cock… Thissss issss the bessst birthday I could assssk for…” Rex's loud barks he got in response is along the lines of what he expected. “You're welcome, Little Snake. Now it's time to rest in my sheath. Don't worry, we'll play lots later still, and I'll make sure to drink a lot of water for you to piss out. I know you'll love tasting my cum and urine all day forever like a good cock.” More teasing and building more anticipation for the things that were to come, Little Snake almost didn't want to go back into the sheath and get to all of that now. But he was an obedient dog dick, and he had to do exactly what his owner said. That was the life of a snake cock after all, and he was going to love every second of it. “I look forward to more attention from you, Masssster…” As they said that, they were starting to feel that slight softening starting, their body feeling less large and throbbing less as they were starting to shrink backward some. Even as those licks continued a bit more, their body slipped against the doberman’s chest as they could feel their base slipping into that thick sheath every so slowly. With each passing moment, each soft throb and the pleasure slowly starting to drift away, a definite sense of sleepiness was making itself none. Little Snake almost felt a bit of an ache across his form, as if he had been so incredibly hard and so engorged that his scales had been stretched, only now feeling the effect of it once he was starting to relax from the state of pseudo high being so heavily aroused. Even as he was starting to shrink down more, he definitely was a lot larger than the shaft before him, and it was a good thing part of himself contributed to the sheath to make it roomy enough for him to slip into. Already starting to feel more of his length pulling back into that sheath, the first sensation that he really felt from it was the loving warmth squeezing over him as the fleshy walls hugged him so tightly. While there was a slight slimy sensation on those wet, inner walls of the furry pocket, it was a pleasant one. It reminded him slightly of putting moisturizer on dry skin, or getting soaked in water after a long day in the sun. It was more rejuvenating than anything, even if the slimy nature of it was something that would be off-putting to him. After having felt himself coated in all the slick fluids he was spitting out, he more than welcomed the sensation, even going to say that he was happily starting to help guide himself backwards and into that sheath with a bit of haste. As he was on his way in, Rex slowly moved to stand up, having finished giving Little Snake his tongue bath and was already seeming to start to move through the house. Leaving the mess on the floor, and with Little Snake still slowly retreating underneath him, the doberman was already heading back into the room where the morning began. Through their connection, Little Snake could feel that it wasn’t just him that was feeling a bit sleepy after the whole ordeal, with his owner feeling somewhat tired as well and moving to find a place for at least a small nap. With the world around him moving with the canine’s steps, he even started to let out a low yawn as more and more of his length was slipping back and pushing into that tight, warm sheath. Still fascinated with the things around him though, getting to see things from such a different angle Little Snake was a bit hesitant to slip back more as he could feel his arms about to slip back into his home. There was something a bit scary about just not being able to see, hear or interact with things, but as he was pondering that, he quickly remembered who he was a part of. He didn’t have to worry about any of that, all if it quickly left his mind as he knew his owner would take care of him. Of course he could trust Rex to move around and do things. Why would he need to see what was happening with his wonderful master in control? Slightly digging his hands into the side of the sheath and pushing his arms in, the cock snake let out a slight huff at that sensation. It was very warm and slimy, and even pressing around inside got a slight whine from Rex and gave him enjoyment. That was the last push he needed. If just being inside that sheath and slightly squirming around was enjoyable for the doberman, and since that was what he was ordered to do, he didn’t hold back further. The rest of his body was slowly compacting behind him, scales getting tighter and pressing up against the slimy walls as he felt even more of that sleepy sensation taking him over. With now just his neck and his head outside of the furry pocket, he started to nestle backwards with a slow, long yawn. Eyes being covered up by the thick sheath, his head being slowly engulfed, he pulled back just enough so the entire entry to the sheath closed up in front of him, moving his head slightly to press around a bit while even flicking his tongue around inside. Not because he was trying to stir up trouble, but he was wanting to familiarize himself with his new home. The raw scent of his owner’s musk, the slick sensation across his face, and the taste he could only describe as dog cock met his senses. All things that felt right and proper to him, and all things that were quickly bringing on a sense of sleep. It was dark and cozy, the perfect place to just compact and stay in tightly while snoozing and recovering from a long day. There was still more to do of course, but for now, a good rest would do wonders for the new cock snake. Rex slowly moved to jump up on the bed, something Little Snake could feel as those heavy nuts and sheath jostled slightly from the movement and from the connection, but the cock snake stayed snug and still inside while already drifting off to sleep. The doberman was taking stock of his new size, his sheath at least two to three times the size as it was before, and now his sack taking up about twice as much space between his legs, but it was more than worth it. It felt amazing to have that cock snake, even more amazing knowing it was his companion being safe and comfortable with him. He felt proud, not only of how he looked and felt, but knowing that he did a good thing. Giving back to the one that rescued him, he would be sure to give exactly what his companion needed and give him a comfortable, pleasure filled life. He was already making plans and surprises for his cock snake, thinking about things in the future that they could both enjoy, what kinds of orders he should give and what kinds of things to say. It was obvious his Little Snake loved being demeaned and dominated, something he would have to keep up, and loved doing in the first place. Either way, his objective complete and his worries starting to drift off, a small nap was the next order of business to make sure he had the strength to continue caring for his new cock snake. This was just the start of something fantastic that both of them would enjoy for as long as they lived.