FSE

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Every town and city had their dump. The place where trash and all manner of discarded items are taken and left. Naturally this was a location that most wanted nothing to do with. The only ones that spent their time there were the workers that kept the place in order or the occasional delinquents that hung around on the property after hours, being the reason that barbed wire was installed to the fencing. As far as the anthros that lived in the general area were concerned, it was just a plain old dump and nothing more. All were completely unaware of the thriving colony that spanned below it and beyond to the sewers. Tunnels and large dens dug out and carved a very long time ago still served their purpose, housing an expansive rat colony.

Their presence was a secret as they only came to the surface to snatch foodstuffs from the dump, an act that wouldn’t be done by their anthro brethren going about their lives with other anthros: working, going to parties, and everything else that ordinary living entailed. There were some things that were similar for the underground. They had plenty of parties and had tasks that needed to be done to sustain the colony and keep everyone safe. But it was nothing like the grueling work required to make a decent living above. Spending countless generations in the dark underground, these rats had adapted and become very different. They had become more like ferals but retained some beneficial anthro traits such as intelligence and speech.

They were more nimble on all fours instead of on their back legs, but they were just as capable of walking about on them. Also they were larger than most anthro rats, their bodies larger and heavier. Some were built up of muscle from their roles of digging, defending, or fighting for entertainment. And the other half were just plain plump or fat from the abundant amount of food that could be found at the dump. What they all had in common was their strong body odor. All of them felt it was only natural that a rat was supposed to be filthy and stink, especially those that lived under a dump. The water they had was better used for drinking instead of bathing. It was also very hot where they lived and not even being underground would allow them to fully escape the heat, making them sweat all the time. It was the norm for their bodies to be caked in grime, making their bodies greasy or even slimy to the touch.

This was the case for all of the rats except for one in particular. His name was Finni and he was very much unlike the other rats around him. For starters, Finni preferred to keep himself standing upright as much as he could. Due to that he developed a more bottom heavy build, causing him to look very much like a pure anthro, not helped by him being much thinner, possessing a soft feminine build that was nothing like the rugged, dirty rodents that shared a colony with him.

He was also more picky about the foods that he gathered from the dump, only having a tolerance for the freshest scraps that came from restaurants. Being the son of the colony’s leader gave him enough pull to get some rats to bring him stuff like this. But what drove this desire for the freshest things were his senses of taste and smell, far more developed than any other rat. It compelled him to stop and admire his meals before actually eating them, much to the other rodent’s confusion or annoyance. Liking sweet things the most, Finni never failed to stop and sniff, doing his best to even decipher the ingredients they were made up of.

Finni wasn’t just strange in these ways either. He was also small, just short of 5 feet tall compared to the other rats that were at least 6 feet no matter their place in the colony. But the thing that made him stand out the most was his refusal to be as dirty or smelly as his fellow rats, an act seen as actively rejecting his own true nature. This was really something none of them could understand. But given the place where they lived: an underground dwelling consisting of so many tunnels and chambers. They were always used by multiple rats at the same time, their bodies grinding against each other, rubbing their filth onto each other. There were plenty of places to get dirty and even more ways, not even factoring the access to the sewers.

As much as he could, Finni did his best to clean himself up but he was still at the mercy of his environment, sweating and squeezing past other rats that were passing through the tunnels as well. Even the walls of said tunnels had accumulated a slick film from the bodies rubbing off onto them. Elements of body odor, sweat, and even fluids like cum would reach Finni’s extra sensitive nose, causing him to shake and gasp. Just as the smells of food would call to him, Finni was also at the mercy of the thick stinky smells that were all around him.

He endured it until he was able to get himself clean again and retired to his own private chamber, readying himself to partake in a few snacks that he kept on hand, first admiring their sweet delicious smells. But his peaceful moment was interrupted by heavy steps, causing Finni to groan. The groan was one of annoyance but also because of something else.

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A group of rats were gathered, chuckling at a joke that was shared among them. Standing so close together, their large grimy bodies were creating a thick, grungy reek that was enough to make the other rats passing by stop and inhale, clearly becoming affected by the deep mixed masculine aroma. The banter between them continued for a bit. One of them announced that they needed to get a move on.

“Alright, but don’t be so much of a stranger, Soto,” one of the other rats said.

“Hehe, I’ll try,” the dark furred rodent said, turning tail as got down on all fours and started to walk away. As he did, the rat’s heavy musky balls were slapping against his thighs.

As he walked, other rats made room for him, letting him pass and giving their respect. This acknowledgement was because of his position, being the leader of the entire colony. And the role was granted to him because of his impressive abilities to manage the entire underground, keeping things going strong day after day. Another thing that made him fit for the leadership role was his mass. By far Soto was the largest of the rat’s, towering over everyone else, at about 8 and a half feet tall, his body built with a combination of fat and muscle. Once he laid eyes on his son kneeling over his fancy scraps of dessert, Soto sneered and rolled his eyes.

Comparing apart from similar fur colors, the father and son were nothing alike and it was a wonder to the rest of the colony how the biggest rat in the colony could have a son so small. femmy, and apparently afraid of being a rat. The way that he acted, similar to an anthro on the surface, it was a sight that disgusted the leading rodent.

“Finni!” he barked, making the smaller rat jump and turn around. Right in front of the younger rodent’s face were his father’s balls, the biggest that there had ever been on any rat. Just one of the furry orbs was as big as his head. Sitting wide and heavy right in front of his face, Finni nearly lost his balance even while standing in place.

His extra sensitive sense of smell was slammed with the overwhelmingly potent reek of much larger and older male. Just as he could decipher elements like sugar and vanilla just from sniffing at a piece of cake, Finni’s nose was picking up...everything. It was a burning mix of overly aged sweat, masculinity, filth, grime, cock, balls, feet, ass... His mind was spiraling, struggling to process it all at the same time. A series of feelings were forced into him as well. Some disgust, a sudden dizziness, but also arousal.

“Nnngh~!” The smaller rat shook, gasped, and thrust at the air as he was struck with the blazing pleasure of a sudden, forced orgasm. The whole of his body was uncontrollably shaking as the strong rank smell of rat was shoving itself into his nose, so strong that he could even taste it. Finni, letting out pitched whimpers, started to cum even though his cock wasn’t even hard. Ropes of cum were just firing off from his small, jumping length, releasing a load that was sizable by anthro standards but pitiful compared to his fellow underground-dwelling rats.

It was a sensation that Finni couldn’t ever get used to. Every time he was in close proximity to his dad, the purity of his stench would have this kind of effect on him. Those aware of Finni’s unique “trait” weren’t surprised. Not only was Soto the largest but he was the muskiest of all the rats. His massive musclegut form was always covered in greasy filth with plenty of sweat on top of that. Dark ruffled fur covered his body, shiny from the thick oils stuck in his pelt, its density even thicker under his arms and at his crotch. His huge balls and large uncut cock, that seemed to always be in a semi-hard state when not erect, contributed to that greatly. The strength of his pungent, suffocating aroma was evident by the flies that sometimes managed to make their way to the underground, buzzing around the older rat’s groin specifically.

He couldn’t move and couldn’t stop inhaling either despite the shame he was feeling. Shakes kept overtaking him as he continued to cum onto the floor of his dwelling, feeling his brain fogging up as it was becoming more intense, stinging his nostrils and clogging up his lungs. While he was stuck like this his sniffs could be heard along with the pants that freely escaped from his slightly open mouth.

Finni was still dazed when he shot the last rope, as if he was off in another world. His chest was heaving, sweat forming, and his finally erect cock was still twitching madly. His hand pushed down on it, trying to keep it down but the erection was raging. Another gasp was wrenched from him, feeling that he was at risk of cumming again soon, as if he could feel another sneeze coming but in between his legs. With his other hand, Finni covered his nose but could still smell his father’s delightfully dirty aroma.

“Ugh, Dad!” Finni complained. “Can you put that thing away? I can still taste it!”

“Look Finni, it’s not my fault you have a ‘heightened sense of smell’ or whatever. Rats are supposed to stink. You should know this by now,” Soto said with undisguised irritation. As he spoke, the older rat began to casually scratch his balls, getting his fingers coated in the film. When he was done he flicked the stuff off, getting it to land on Finni’s chest. Time and time again, Finni had embarrassed and irritated him, still acting an anthro, believing that they would accept him up there. His place was down here to contribute to the colony, something he was too small and weak to do effectively. Luckily for him, he had another son, Gremile, and he was a much better candidate for taking over the colony, being much like his father. And unlike Finni, he was out doing his part and embracing the life he was given with pride.

“I was told you didn’t show up to your assigned post,” Soto said, making Finni wince for a different reason. “Didn’t we come to an agreement? And what’s all this junk you’ve been collecting instead of working?” he then asked while looking around the dwelling, taking notice of the furniture that Finni had collected to make his dwelling more like a surface home, copying the placements he observed in the pages of magazines and other books.

“Well, I--” Finni started to explain but was cut off by Soto reaching his hand out and grabbing his muzzle, keeping his mouth clamped shut. It was the same hands his dad had scratched his filthy nuts with, forcing the smell of them right into the younger rodent’s nose.

“Hmm...” Soto pondered aloud. He looked around the room, seeing things like a table, some kind of makeshift bed instead of a nest, and a chair. Taking food from the dump was one thing but they didn’t collect anthro things and try to live like them. They were useless as far as creatures like them were concerned. Not only that but Finni had clearly taken the time to clean all of the furniture he collected.

Even if it weren’t their ways, he was still a little curious and could use a moment to sit. Soto approached the chair, figuring it looked sturdy enough. He sat his weight down on it curiously, his sweat-coated asscheeks spreading to the point that his slick muggy hole was touching the cool, smooth surface. Letting out a hum of contentment, Soto was more direct in fondling himself, stroking his balls and palming his cock, knowing that his son was watching. As he stroked his length, pulling back the foreskin and revealing the cockhead, along with the sharp smelling grime that was trapped underneath the fat folds.

Doing so really caused the grungy crude reek of his unwashed self to spread out, tainting the room that Finni worked so hard to keep clean and smelling nice. His precum, coming out in wide beams of dark almost yellowish color, splattered onto the floor, leaving its own earthy mark that radiated from it, rising into the already musk-hazed air. “Tell you what,” Soto started as he spread his thick lower legs wider, allowing his son better access that he would soon be using. “I’ll let you off the hook if you manage to handle these without shooting those little loads of yours,” he said, giving his balls another lift and fondle. “But if you can’t then I’m gonna make you useful...”

Hearing the tone of his father’s voice and the way he spoke, Finni knew that the first option offered to him was the better one. He gulped, knowing that this would be a great challenge for him but he was really no good in any other role given to him. Every job was made for a large, heavy semi-anthro so he fell short. Finni liked to think he was best at gathering objects that had been thrown away, giving them a new use. But obviously his dad wasn’t impressed so he needed to prove himself so he could continue his “craft.”

He was snapped from his thoughts when his dad’s package was right in front of him. So lost in his thinking, Finni hadn’t realized that he was already down on his knees, looking right into his dad’s immensely sized furry orbs. His nose was just a few inches away from the surface and yet the scent assaulted his sense of smell mercilessly. He became paralyzed again, failing to contain himself as the musk of aged crotch stink surrounded him. It was too much for him and he started to cum again. A pitiful squeak came from Fini as he squirt out more of his small loads. He tried to stop himself by squeezing his cock but he just wound up humping into it, making himself spill even more.

“Not a good start,” his dad warned. “And you haven’t even touched them yet.” With that being said, he shoved Finni into his ballsack. As soon as he did, his son started to drift over the large greasy surface, feeling the heat that was rising from the skin and fur. Just by sliding his hands over them, Finni felt the thick grease getting stuck to his palms and fingers. Up close he was forced to take note of how huge his dad’s balls were. So wide, heavy, and hanging so low. There were the nuts that he had come from...

Finni was starting to drift off, not even noticing that his sniffing had turned into licking. He was too concerned with the sensations coursing through his body. The moment his tongue touched the filth-coated surface, Fini moaned and shook. Another climax was forced out of him. His tongue continued moving as more ropes of seed were joining the mess that was already on the ground, splattering just underneath the chair. At the same time as his orgasm, Finni was feeling his father’s ball sweat raining down, dripping all over his nose and face, starting to make it just a bit sticky. Compelled to keep licking, even while his cock was throbbing, Finni was relishing the bitterly-delightful, tongue-stinging flavor.

Soto continued to scoff while Finni was arching his back from the rush that was consuming him. He was feeling conflicted, unable to resist the pull of such a strong degree of musk but he was also disgusted with the amount of rankness that was oozing onto him, clinging to his much cleaner pelt. Even with that feeling, Finni felt that he couldn’t stop himself. His submissive moans were muffled from how closely his mouth pressed itself to the heavy churning sack.

Hearing the next groan and splatters of seed hitting the ground, Soto already made up his mind that Finni was no good. He didn’t have what it takes to be a “valuable” member of the colony. But he had to admit that Finni had a natural talent when it came to servicing and watching him blow his loads without control was amusing. Perhaps his talents lie elsewhere. He let Finni continue to worship his balls, not even starting to clean away the overall ripeness. He also started to think about these things that Finni found and used for himself. Maybe there was some use to be found in the non-food things the anthros discarded.

Soto felt he had his fill of getting his balls worshiped. He pulled Finni away while he was struck with another uncontrollable climax, squirting out an even thinner load, showing that Finni was running out of seed to spill. Just as he was done releasing his greatly inferior loads, Finni was made to pay attention to his father’s full hard and superior cock. It was an absolute monster: about 15 inches, uncut, and thicker than what Finni could grip with both hands from tip to base. Finni didn’t see his dad fully erect in person that often so he was feeling that paralyzing sense of awe and disgust again. If he hadn’t just blown a load, he would have been shooting ropes all over again. Just one sniff was enough to make his mouth water heavily.

“Let’s see if you’re any good at this,” Soto prompted.

Finni’s eyes widened when he felt the tip being pushed firmly against his lips, making them spread far apart and quickly. The stink of rat cock was rising from the flesh, streaming into Finni’s flaring nostrils. At the same time, the strong taste of everything that clung to the cock was being rubbed into Finni’s taste buds. With just one push from Soto, Finni felt his cheeks bulging and his throat spreading around the huge fuckstick. There wasn’t any time afforded for him to adjust, Soto’s strong hand kept forcing it down, leaving the feminine rat to gag and shake against the entry.

“See now we’re getting somewhere,” Soto said with growing satisfaction. His other hand joined the first, both being used to force his son’s mouth further down his throbbing pole of flesh. Finni continued to groan and gag, being pushed much further than he ever had before. Knowing that he was being used like this, feeling his throat getting glazed with the cock’s greasy film, getting another nosefull of his thick musk was enough to make him cum while still groaning around the veiny fatness.

While Finni was reeling from it all, Soto proceeded to start thrusting his cock down the much smaller rat’s throat, keeping a grip on his son to use him like a toy. A simple push with his hips and pull down with his hands was all it took the stuff the entire length down, making the bulge in Finni’s throat all the larger.

Left to just react to all of this, Finni was feeling a mix of helplessness and arousal from being used like this. His sounds of strain turned into clear moans as his mouth was made to sail back and forth. They were pitiful sounds that were starting to arouse his father while also bringing him greater amounts of anger. He still couldn’t believe that he could have a son like this. But at least he was finally good for something. As far as he was concerned, this was the first step to training Finni for his new future position.

At the same time Finni was also growing a strange fondness for what was happening to him. He had always seen his dad’s cock as something weird and gross. That was still the case, smearing its filth all over the interior of his mouth, but the younger rat was starting to feel a strange sensation of want that he never experienced before. Even while he was being forced to throat another male’s cock, let alone one so huge, for the first time Finni was feeling as if something had finally clicked in place for him. This wasn’t something he would have found out for himself; always keeping himself at a distance from his fellow rats, not wanting to get their dirtiness on him and avoiding those who would make him embarrass himself in public. But right now, while his head was getting forced to sail up and down, his chin bouncing off of the massive swinging rat balls, Finni was feeling a sense of completion that was entirely new to him.

“Now you’re starting to get it,” Soto said, growling through the pleasure he was feeling.

Just hearing his father’s voice was enough to make Finni cum again, his body trembling and sending vibrations through the mighty shaft. But that was hardly noticed. All of the focus was on fully taking the uncut spear and musky maleness that was sliding over his tongue, pressing on his tonsils, and swabbing the walls of his aching throat. The taste and smell continued to assault his senses; unrelenting in the way they stuck in the back of his nose and wouldn’t get off of his taste buds. Finni never would have imagined that he could enjoy something like this so much and yet he didn’t want it to end. He showed his want for more but finally moved his tongue against the cock that was pistoning back and forth, letting his mouth make obscene sloppy noises as he gulped down the hot, strong tasting precum.

Still keeping a grip on his son, Soto stood up from the chair. With his feet firmly planted to the ground, the leading rat was able to more effectively thrust even harder, plunging his pungent, slick cock down even further, forcing more muffled sounds of excitement from his son. Finni felt the hands groping him so roughly, making him feel dizzy from the speed and force of his head being moved, bouncing off the other rat’s crotch. For just a moment, Finni’s nose would be buried in the hot, muggy crotch fur, breathing in its full strength reek.

Not showing any signs of slowing down any time soon, Soto’s thrusts were making the sounds of his balls slapping against Finni’s chin all the harder, smearing it's caked on sweat onto his son’s pelt. And by now his cock was spurting so much precum, flooding Finni’s throat and flowing back upwards to slather his tongue. Swallowing it all down as best he could, the younger rodent could feel his dad’s cock throbbing all the harder, showing signs that he was getting close to his limit.

Moaning even louder against the still strong tasting flesh, Finni felt himself getting close again as well, his body shaking from that urge to shoot his loads coursing through him. But the smaller rat’s attention was always forced back to his father, having to keep up with the forceful thrusts. Most of the gargantuan flesh was kept stuffed down his windpipe, keeping the skin and fur of his lower esophagus stretched further than it ever had been. Soto’s hands were pushing Finni’s head down harder, doing so in time with his next thrust, using both actions to reach his cock even further, slamming Finni’s nose into his darker furred saturated pubic fur.

Finni was kept like that as he heard Soto’s deep, reverberating growl. After swelling to a greater amount of thickness, a forceful torrent of cum was blasting out from the tip, forcing Finni to gag and strain. It took the smaller rat a moment before he started to instinctively swallow, having to take big gulps that pulled the thick tar-like substance down into his stomach. And the more he did that, the more his stomach was filled up with hot, heavy, and musky cum. Finni was trembling all over again, feeling a new kind of need and excitement he never felt before. Even while his cock was throbbing and ready to shoot at any moment, Finni had to put more of his focus into taking the biggest gulps he ever had.

And it just seemed the more he swallowed, the more cum he was given. The flow seemed to be increasing, leaving him struggling to handle the loads that were being pumped from the heavy balls that were both as big as his head. As he was doing his best to handle it all, Finni looked up to see his dad groaning through clenched teeth. Soto was basking in the bliss that came from blowing such a big load, pumping his flavorful and musky jizz down his son’s gullet, heading the other male’s gulps and even seeing Finni’s stomach starting to swell little by little as he continued to gulp.

There was so much that the excess was coming back up, coating his tongue and the rest of Finni’s mouth in stacked layers of fluids. He had no idea how much he had swallowed by now, still eagerly taking in the spurts that were given to him, doing so while moaning with clear enjoyment. And Soto was just enjoying himself as well, experiencing one of his lengthier climaxes that could only come from such huge heavy furred sacks.

It was just as he swallowed down another load that Finni was overcome by another unexpected orgasm. Without touching it, his cock was swinging and expelling the last of what he could release for the time being, letting the thinner and much less potent ropes fall uselessly to the ground. Not even his overly sensitive nose could pick up on it. All the Finni could recognize was the pungent aromas that surrounded him without letup, making his head buzz with every breath.

Soto didn’t pay any attention to Finni’s climax, still groaning and making small thrusts into his son’s squeezing throat, feeding him pump after pump of his searing and smelly cum. The rich dark colored rat essence was starting to leak from the corners of Finni’s mouth but he was too dazed to care about getting messy right now. All he knew was that he needed as much as he could get. Before he could fully drift off, the cock was suddenly wrenched from his mouth and throat, forcing an almost painful sounding gag from Finni.

With his climax still going, Soto’s cock was aimed at Finni’s face, painting his dark fur in a near instant when the next pulse came. Finni’s tongue simply lolled out from his already open mouth, catching plenty of the stuff. What he couldn’t get into his mouth would simply land on his body, creating layers upon layers of liquid musk that would be hard to clean, let alone getting the scent off. It took no time at all for his field of view to be blurred by the dark colored fluid. For once he was letting himself be marked with something so smelly, feeling it sinking into his pelt and touching his skin.

For the most part the smaller rat was coated from head to toe, taking shots to the face but feeling the rest running down over his body, making the rest of him just as hot and sticky. He could imagine that it was like a shower, at least how it was described in a book he read. After a while longer he was receiving the last shot of cum, feeling it land on his feet, getting them marked as well. That’s when the loads finally thinned out into nothing more than dribbles. With a satisfied groan Soto finally let go of his cock, letting it fall and slap loudly against his balls as it continued dripping.

“Heh. I think we’ve finally found your special talent,” Soto said as he finally smiled. Watching his son tremble and shake while licking away the cum that was all over his face. It appeared that the younger rodent’s brain was absolutely fried by the musk that he couldn’t escape. Seeing that made the older rat smirk, it was all too perfect. And Finni himself had given him the idea of how to proceed...

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It had taken a lot of digging through the junkyards but eventually some rats managed to bring back what Soto had requested. Soto grinned when he saw it and made sure it was cleaned in the waters of the sewers, making its metal shine. And it was even better that its last wearer left it unlocked. So as quietly as he could, the larger rat snuck into his son’s dwelling while he was sleeping. Finni was woken up by the smell that got in his nose, being as clean as he could be at the time. But his dad was quick to act, fastening something to his son’s crotch.

“D-Dad?!” Finni exclaimed. “What are you doing?”

“Finally making you useful,” Soto responded without pause, wearing a grin on his face as he clicked it into place before Finni could stop him. The sleeping rat looked down and then groped his odd feeling crotch. Instead of his small, soft cock Finni was instead running his fingers over cold metal. Still shaking off the last of his sleep, he came to realize that his dad had affixed some kind of metal contraption to his loins. He wasn’t able to access his cock at all, it being firmly locked away. For once he was at a loss, having no idea what this surface contraption was.

But Soto had done some research of his own. While prowling on the surface for something good to eat he had heard sounds coming from somewhere nearby. Carefully he approached and watched from a distance as a pair of surface anthros were having sex and the one on the receiving end was wearing a strange cage-like thing on their cock that kept it from getting hard, leaving it to uselessly leak from its opening. For some reason the sight of it stuck in Soto’s mind. Now he was glad that it was something he remembered because it was the perfect thing.

“What’s this for?” Finni asked as he tried in vain to get the device off.

“Ah, quit your whining. Not as if it was any use to you,” Soto huffed. He reached down and yanked his son out of bed and started to lead him off. Finni’s mind was reeling with questions but even those were starting to get pushed away as he started to inhale the scent of his dad’s body again. Just like that he was starting to lose focus, the other thoughts in his mind being pushed away. He was taking in deliberate inhales, losing his footing as he felt himself getting close to another sudden orgasm.

He was brought to one of the main chambers where Soto would usually start to direct other rats on what to do. The sight of Finni’s caged dick caught everyone’s attention and they started to snicker. Soto didn’t attempt to stop any of them. Instead he all but shoved Finni down onto his knees. His son was too dazed to react quickly enough. Soto got himself into position, standing right over the smaller kneeling rat, letting out an exaggerated sigh as he lowered his hot and heavy balls onto the younger rodent’s face. Finni could be heard groaning beneath, really stuck in place by the position he found himself in.

The weight from Soto’s stomach was pushing down on his cock and balls, keeping said balls squashed firmly on his son’s face. They were kept pushed over Finni’s eyes and muzzle, leaving him unable to see. He was so confused as to what was happening while Soto was going about his usual routine. Seeing the rats that were gathered, he pointed them out in the right directions, explaining to them the jobs that needed doing today. They responded to his words, nodding and scurrying off.

All the while his balls were grinding over Finni’s face, smearing more of their sweat and stink all over, remarking the whimpering rodent. And just like before he was bombarded with the purity of his dad’s filth. With his keen nose, Finni was shocked to discover that the scent was even stronger now than it had been the night before. Just one inhale was enough to make him wince and shake. After that first inhale Finni couldn’t stop himself, starting to shake as his nostrils flared and took in the noxious, vinegary odor that was radiating from the bigger male’s gonads.

Meanwhile Soto was still directing other rats that entered the chamber to receive their orders. Not noticing Finni down on his knees; groaning and spurting cum through the cock cage’s narrow opening was impossible but nobody was going to question it either. Instead they listened to their leader, occasionally looking down when Finni would pitifully squeak and spill his loads onto the ground in front of him. Soto was still standing stall, wearing a grin as he felt the shivers and warm breath against his balls, feeling the softer fur rubbing against his sack’s when either of them would move.

“H-how much longer do I have to do this, Dad..?” Finni whimpered pitifully.

“Don’t you get it? This is how you’re gonna be useful to the colony,” Soto said with harshness. “Now shut up,” he ordered just as some more rats were showing up. It was another hot day outside on the surface and its heat was felt down where they were as well, causing all of the tunnels’ inhabitants to sweat to some capacity. And Finni was catching all the thick perspiration, feeling it cascade down and soak into his facial fur. Having his mouth open, Finni caught it in his mouth, experiencing a rush from the stinging bitter flavor.

For so long Finni had found the smells of those around him to be gross and undesirable, his father’s body odor most of all. And that was still the case and yet he just couldn’t bring himself to spot sniffing deeply and rapidly, inhaling as much as he could in one sitting. Still thinking his dad’s body was gross, Finni was also gaining a newfound feeling of excitement from the position he was in. Against the bridge of his muzzle, the wide grungy orbs were churning, spreading their heat to the smaller male’s face.

“Don’t mind him. He’s too pathetic for anything else,” Soto said, speaking harshly when referring to his son. Just as he said that, he felt Finni shake and heard the splurts of more cum hitting the ground, confirming his words. What started out as confusion turned into greater shaming. Others began to agree and point out all the ways that Finni had failed in the past and his father didn’t try to stop any of them. He started to hope that all of this blatant insulting would cause Finni to grow a backbone.

Finni couldn’t defend himself either, he was too overwhelmed by the odor strong enough to make his nose burn, causing him to wince but also moan. Being pulled back and forth, he was forced to make all kinds of reactions to the big, grimy balls that were simply sitting on top of his head, weighing it down and keeping his vision blocked completely. All he could do was stay in that position, lacking the physical and mental strength to remove them. Everyone could see him: whimpering and cumming on himself. It was absolutely embarrassing, humiliating, and for some reason it also felt right.

Something in the tiny semi-anthro rat’s mind clicked. All of this time. When he was overwhelmed by his father’s stench or looked down upon by the rats that were so much bigger and stronger than himself. Even when grimacing from the other rodent’s strong scents, Finni realized there was also an underlying excitement and arousal that he felt this entire time. And those feelings were magnified when he was near his dad. The smelliest of all the rodents, Finni was disgusted the most by him but also made the most excited. Even now his body was shaking uncontrollably, his cock pulsing wildly even though it was being kept from getting hard.

After addressing the rats that came and went, Soto was left alone with just his son who still had yet to stand up for himself or to protest in any way. So the father decided to test his son further. Still standing over him, the older rodent started to shift his body, grinding his balls back and forth, swabbing them over his son’s face. Finni’s nose and lips were slathered in more of the thick oily sweat. Hearing Finni’s groan gave Soto a bit of hope that his son would finally do something so he kept at it. He applied more pressure while grinding harder, smearing more of his sweat and stink onto the weaker rodent’s face.

Harder shudders than before were running down Finni’s spine and in his sensitive nose was an even stronger ball musk that just left him stuck in place. It was brutal but also so delightful that he failed to resist, feeling his mouth watering. Sniffing harder and for longer, Finni was becoming more willing, being fueled by that shame and thrill of being pinned down and humiliated by his own father. As the grinding continued, pressing his balls down with more strength, Finni’s resistance was ebbing away more and more. And sniffing so much naturally led to him wanting to get a better taste of more than just the sweat that was raining down on him.

So he dared to stretch his tongue out, making a single quick lick over his father’s balls. Soto grunted when he felt it and instantly knew that his son wouldn’t get any better. Not getting an immediate response seemingly convinced Finni that it was okay and he followed that up by openly moaning, his voice being muffled by the heavy sack that still sat on top of his muzzle. Keeping up the licking, Finni kept his tongue licking and grinding over what he could reach. He was at least being bold enough to get his tongue soaked in the abundant fluid, enduring its sharp taste just as he had its smell. Even though he had licked them just the day before, the flavor was incredibly potent, as if plenty of days had passed between them and now.

Another grunt came from Soto. He had to admit that Finni was committed to his new “position” even if it was forced upon him. If it weren’t for Gremile he would have been brutally ashamed to have Finni be the one to take his place when the time would come. Even if Finni was older, his purpose and the way he would make himself useful to the colony had become obvious. He reached his hand down, taking hold of Finni and pulling his head free. The smaller rat’s usually clean head fur was ruffled and darkened, stinking strongly of alpha rat balls.

“That settles it then,” Soto said firmly. He grabbed his son by the scruff and started to forcibly drag him along. Finni yelped and whined as he was taken through a tunnel, in clear view of other rats that were passing by. They were doing nothing to save him, letting him be taken to wherever Soto intended them to be. And that place turned out to be the leading rat’s dwelling. It was obvious by the stale reek that hung heavy in the air. Soto all but tossed his son into his nest and before Finni could collect himself, the much bigger rat was on top.

Soto all but dropped his body on top of Finni, making the smaller rat wheeze a bit from the way that their fronts were touching, Soto’s all but engulfing him in every way. Soto’s 8 and a half foot form had no trouble at all keeping Finni in place. Being pinned between the sweaty body and the stinking nest was one thing but Finni let out another gasp when he felt a thick and greasy tip rubbing itself against his tailhole.

“Let’s just cut to the chase, Finni. Overall you’re useless. The only thing you’re good at is sniffing all over the place like an idiot. And it turns out that you like sniffing other rats’ balls, cumming all over the place from the stink they’re supposed to have. The way it looks to me, you might have some use as a colony slut, a hole for everyone to dump their loads into. Does that sound good to you?” Soto asked.

Finni found himself nodding, having a shameful look and blush on his face. His dad sucked his teeth and shook his head.

“Then let’s see how much of a slut you really are! Come on you useless bitch! I wanna hear you beg for it!” Soto’s tone of voice became much darker and demanding, putting a bit of fear but also something else into Finni. “Tell me how much you want it and I’ll put it in.”

Finni felt his own hole twitching madly. A sense of need like never before consumed him. Even as more of his father’s sweat was dripping onto his entire body, Finni’s only focus was on the cockhead that kept rubbing itself all over his rim, not just smearing it’s musky film but even muskier, thick, and warming precum that was making him tingle from head to toe.

“P-please, Dad! I can’t take it anymore. C-can you put in me, please?” Finni simultaneously asked and whined for his father’s maleness, which was 15 inches and about as thick as Finni’s own neck. Even if it sounded pathetic, Soto was apparently convinced, plunging his cock right past his son’s tight rim, doing so without warning and bringing about a combined painful and pleasurable sensation from Finni, making the smaller rodent yell out.

The musky coating of Soto’s cock and the amount of precum already leaking from the flesh allowed Soto to reach in deep, grinding his length against the walls that were hugging him tightly. Forced to handle the length and girth at the same time, Finni had to take deep breaths and that led to his nose and lungs being filled with Soto’s thick rank musk all over again. Another push was all it took for all 15 fat inches to be buried all the way down to the hilt.

Right after pulling back, Soto started to thrust his cock in forcefully, using his large and sturdy frame to pummel his way into his son’s depths, the velocity making his large and heavy balls loudly smack against Finni’s rump, smearing sweat onto them as well.

In time with the thrusts were the younger rat’s moans and the creaks of the nest, the contests making it up making noise as the massive rat’s weight was shifting repeatedly. More precum was leaking out, providing more lube that further greased and warmed Finni’s insides, giving him a sensation never experienced before. There was still some pain from the cock stretching his unprepared depths but he was able to focus more on this new kind of pleasure and the heady stench that was frying his brain in real time.

“Now you’re finally becoming useful,” Soto grunted. He just got a strained moan in response. Like the nest, Finni’s body was being bounced by the thrusts. He was still taking in the musk that was joining with the smell of two semi-feral-anthros rutting. The amount of precum inside of him was the cause of deep sloppy sounds, easily heard whenever the length was pulled or pushed.

“Shouldn’t take too long to break you in.” Soto made a simple change, moving his hips a bit faster but that was enough to make Finni moan out even louder, his smaller body jerking against the much larger, muskier one.

Now more than ever Finni was struggling to comprehend anything else. His walls were spasming, keeping themselves tight on the flesh that forced its way right through, every inch sailing over his prostate, bringing prolonged bursts of greater pleasure. He could feel his own cage becoming warm and wet, only now becoming aware of how much precum he had been leaking so far.

“Fuck, you just stay so tight. Guess that small body’s got its perks!” Soto grunted. He scooted himself up and put more weight down on Finni. Feeling himself sinking deeper into the rank smelling nest, Finni knew that he was going nowhere, unable to overpower his father’s greater strength and feeling weak the moment he inhaled again. Another sensation that made him unable to act was the feeling of his father’s body grease getting smeared onto his own front side, smearing its pungent odors so deep into his pelt.

Soto realized that he had free reign to fuck Finni in any way that he wanted. Whether it was from the strength of his body or his scent, the smaller rodent was truly at his mercy, letting out all kinds of noises that came out muffled. Still humping away, anyone walking into his dwelling wouldn’t have been able to see Finni at all, save for his shaking feet and curling toes.

Instead of feeling shame or rage, Soto was instead becoming fueled by a level of lust that he hadn’t felt in a long time. He realized that his son was born the perfect toy. So willing, tight, and easy to pin down. A hopeless musk-slut that couldn’t stop himself from cumming once he smelled something potent enough. It truly was pitiful but it also gave him all the potential makings of an accomplished slut. It wasn’t a role they had but maybe it was about time they designate someone as the dedicated “colony bitch.”

His own thoughts re-energized him, evident by the way he started to fuck his son harder, planting his grimy feet to the ground and positioning his tail to give himself added leverage. The muffled sounds still coming from Finni were outdone in volume by the deep, animalistic huffs that Soto was letting loose.

With his body on top, Soto couldn’t see Finni but he could feel the smaller rodent’s stomach bulging every time he thrust all the way in, the skin and fur rising as his cockhead was fully inserted. His churning, bulging balls were constantly swinging from the strong motions of the colony leader’s hips, also nearly loud enough to drown out the noises Finni was making.

Finni was yelling out incoherently, fighting to maintain his control as his prostate was being pummeled without mercy. It was hard for him to even keep track of what was going on at this point. How much musk had been smeared onto his body or how many times he had cum from just from his prostate being mercilessly rubbed.

Both bodies were moving only because of one, the pace was even faster and harder, the sounds of the smaller rodent’s hole being stuffed was all the louder, precum was being pushed out when the pumps came at this point, the fluid oozing thickly down Finni’s backside and tail.

What Finni didn’t expect was that Soto was putting more power into it, his large and wide hips speeding up to the point that they were almost a blur, forcing Fini to endure a barrage of mind-numbing sensations, both physical and olfactory.

Because of this, Finni’s ass was clenching so tightly around his father’s cock. Soto had to give his son credit; he was enduring all of this without any signs of pain or being overwhelmed. His moans and whines were laced with obvious enjoyment, all signs pointing that he wanted more and more.

Just as he had before, Soto forced his way through the added tightness, feeling his cock throbbing all the harder against the walls that kept themselves so close to his thickness. These hot, slick surfaces were kneading his cock relentlessly and pushing against them a few more times was all it took to get him close to his limit.

“Hope you’re ready, slut! Cause here it comes!” Soto groaned even louder as he made a final hard thrust that buried the entirety of his musky fuckstick inside, keeping it there as it swelled to even greater girth, throbbing even harder than before. This was followed by Soto’s cum blasting from the uncut cock’s wide opening, spewing its rich, heady dark colored seed directly into Finni’s guts, making them bloat and swell in just mere moments.

Just as he could feel his tip making the stomach’s fur and skin rise, Soto could feel the smaller rodent’s abdomen swelling and pressing more directly against his much larger, heavier, and wider one. High powered and plentiful shots of cum blasted out one after the other. The heat coursed through the entirety of his body, making Finni sweat while his father’s sweat was still dripping down onto him.

Soto was cumming as his balls were inflated to their limit, filling Finni up completely that cum was flowing around his throbbing cock, freely spilling out and cascading down Finni’s backside, soaking into the nest, ensuring that it would be smelling just as if not even stronger. Finni was gasping from his stomach inflating to make room for the deluge, a new sensation he was only just starting to grasp.

The feeling of being seeded so thoroughly was enough to make the newly minted colony bitch caused Finni to cum again but this time he was really feeling it. He shot his loads hands free and through the cage’s opening, unloading his release onto his father’s stomach. At the same time he had to experience this mind-blowing orgasm and the feeling of his stomach being further inflated to the point that he was looking pregnant.

“That’s a good bitch,” Soto spoke with satisfaction as he started to relax, basking in the relief that came from blowing such a big load and draining his balls into the hole that was still keeping itself tight around his cock. Even with his cock still inside plenty of cum was leaking out of Finni, making the lower half of his body and the nest’s surface absolutely soaked with virile rat splooge.

“Hey, Dad! I was looking all over for you.” Stepping into the room, interrupting the short moment of quiet between the father and son was Soto’s other son, Gremile. As he said, the leader’s second son had been looking for him and figured that he would be in his dwelling. Though he turned out to be right, he was immediately distracted by the smells of musk and sweat that reached his nose. But from what it looked like from his perspective, Soto appeared to be mounting his own nest. “Uh, am I interrupting something?”

“Actually you just missed it,” Soto said with a chuckle. This response confused his other son until Soto started to roll over in his nest. Getting on his back, feeling the cum smearing all over it, he held onto Finni, having the smaller rat resting on his stomach. Finni was able to take a breath but it was still laced with the leading rat’s delightfully raunchy scent.

Soto explained the situation and the new role that Finni would be taking on from here on out. “Wanna try him out?” he offered. Of course Gremile wasn’t going to say ‘no.’ The other large rat marched his way over to his father’s nest. Taking after the leader of the colony, Gremile was another large and wide rat, being a pillar of muscle as far as their kind were concerned and standing just a bit shorter than his father. His fur color was more brown instead of the dark grayish shades that Soto and Finni were. But like Soto he wore his filth and scent with pride. As he came in close, Finni was groaning from the familiar yet different miasma of rat funk that filled his nose.

Soto was still inserted as he held onto Finni, the father and son still having their bellies touching. That meant Gremile was able to gaze upon the state of his younger brother’s stretched and used hole, still leaking cum around Soto’s cock. The sight was enough to make Gremile erect.

“Fuck me!” Gremile groaned. He aimed and thrust his way in, forcing his younger brother’s rim to stretch even further. He felt the added tightness and the sensation of his cock sliding along his father’s pulsing mating tool. The long and fat thing was making its way in gradually, forcing the increased tightness aside, making Finni wince and whimper all over again.

His large, greasy shaft was disappearing past the extra-stretched rim, making all of them moan out. Finni felt his passage being spread all over again and as he felt Gremile’s body easing all the closer to his own, Finni was smelling his younger but larger brother’s potent, virile scent. It was a biting, earthy funk. Coming from his unwashed body, Finni was forced to pick apart the elements that made it up such as sweat on top of sweat, cum, filth from the sewers, so many of things that built over itself, gaining strength with each passing day.

Not even all the way in, Gremile just started to thrust the way in, making hard surges forward and slammed the rest of his length in, forcing Finni to make room for him and his dad at the same time. As the last of his inches made it in, Gremile got on top of Finni, putting his weight right down on the smaller rat, sandwiching him in between two large, slick, and grungy bodies. Their combined musks were so strong, their offendingly-desirable stench making him cum again, spilling more of his seed onto Soto’s stomach.

“Mmph! Mmm! Rrrmpphh!” Finni seemed to be saying something but his voice was completely blocked by him being smushed so closely in between the two massive rats. As Gremile was going ahead, roughly thrusting into him, he could feel his backside getting marked with sweat and grease just as his front had been. Gremile was really showing what he could do, using his pure strength to ram his cock in every time, making that bulge in his brother’s stomach all the bigger.

Soto felt his second wind and being already inside, he simply started to thrust in time with his son, both pushing their huge cum-sloppy cocks back and forth through the hole that was gripping onto them so firmly. Feeling his father’s cock moving compelled Gremile to start thrusting even faster, as if he was trying to outdo his old man. But Soto was showing that he could keep up even if he was older.

Both growling deeply and aggressively, the two were putting more effort into their actions. This caused them to sweat more than they were before. Stuck between their moving bodies, Finni was subjected to the near suffocating strength of their enhanced fragrances. He felt his own body heating up as if he was in some steamy part of the sauna. An overwhelming stench of stagnant, fermented elements...Finni really couldn’t think straight now. Every second he was breathing it all in, his body being further marked by their combined salty, vinegary bodies.

Pumping their cocks mercilessly together, the pair were producing even louder sloppy sounds as their cocks pushed and pulled against each other, able to easily glide thanks to the overabundance of fluid that was still being pushed out as fast as it was being expelled from their slapping, sweat-flinging balls.

“Damn, little guy’s stronger than I thought,” Gremile said, feeling Finni squirming against him.

“Yeah, now he’ll finally provide some use,” Soto agreed. Together they kept rutting ruthlessly into their new toy, both feeling themselves getting close again. Neither of them were even trying to slow down, keeping the pleasure intense for all of them. Stuck right in the middle, the smallest rat was feeling himself being stretched further than he thought possible. He completely lost count of the amount of times that he came without touching himself, without even getting harder because of the cock cage.

Fini never thought he would have experienced something like this. At first he wasn’t sure how he was going to manage but somehow he was pulling through and it was an amazing feeling. They were pounding into him with so much force, making his stomach swell further from the precum they were injecting into their core. He knew that much sooner than later he would be receiving their combined loads...and he couldn’t wait for it.

“Here it comes again!” Soto announced as he kept thrusting in deep. “Yeah, you’re gonna take every bit of it, Runt!” Gremile added, both giving a few more rapid thrusts before the oldest rat snarled first, followed almost immediately by Gremile thrusting in for a final time.

Their tips set in deep and shooting their loads off, Finni felt himself being rapidly filled with even more cum, every throb of their shafts pouring in huge amounts of their streaming, earthy ballbatter. Their combined girth kept his hole completely plugged, hardly allowing any of the cum to leak out while they were blasting ropes.

Being filled with so much and smothered in between two massive rodents that were still grinding their bodies against him, Finni felt his stomach expanding much further and in a shorter amount of time. He was already filled up with cum and couldn’t handle much more. Just as began to panic, fearing what would happen to him, Finni groaned and gurgled, experiencing the sudden upshoot of cum surging up his throat, gushing out onto his dad’s chest. Soto seemed too concerned with blowing the rest of his load to care, still grinding his cock against Gremile’s.

As more and more was coming out,Finni felt his body getting combined in the combined loads that came from his other family members, being completely marked in their scents and he knew it wouldn’t be coming out anytime soon. His stomach was still stretching out while most was shooting out from his forced open mouth like the end of a broken pipe.

When the bigger rats were finally starting to come down from their climax, Finni felt the flow instead of him slowing up and weakening until he was able to finally close his mouth, swallowing down what remained in his throat. He was allowed to pant harshly, still being struck with the grizzly scents of their bodies.

One by one they were able to slide their cocks free, Gremile being the first to ease back a bit so he could watch their loads spill out freely when Soto pulled out as well. Finni’s stomach deflated greatly when his hole was no longer plugged. As the excess of mixed cum spilled all over the floor, the smell of their combined mark was all around them like dense fog.

“Give him a few minutes and then take him to one of the chambers, let the guys coming back from the sewers have some fun with him,” Soto said as he got up and started to walk away on all fours, not bothering to clean the cum from his body as he left. Gremile was doing the same, smirking and chuckling as he looked down at his dazed older brother, his bloated body and completely ruined pelt that would be stinking for a long time...