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Hi there. My name is Dieter and what follows is what happened to me during my docking ceremony. Perhaps you've gone through something similar, or perhaps not, even if you're of a breed like me. But, if you haven't, here's what happened when it came my time to become a young man.

I guess I'm getting a little ahead of myself. You see, I'm an anthro canine. Rottweiler, to be exact. And it's been a longstanding tradition within my breed to have just little short, stubby tails. Not that we come by it naturally, though, like some breeds do. Ours comes with a tradition... well, at least for those that actually still follow the ancient tradition. It's said that only the Rottweilers that were chosen by the elders to be worthy of carrying on the breed were docked in a secret ceremony and only they, who were the warriors and defenders of the villages, were allowed to choose a mate or mates from among the equally-chosen young females of the village. However, in more modern times, most Rotts like me and my older brothers and sisters are docked. Though more and more places are banning the practice of the tradition saying it's inhumane and other things. But my family, though modern, are following the older traditions, and so... this is what happened to me.

* * * * * * * * * *

I guess I thought it odd that I was going to the vet's with my dad instead of my mom. Being the breadwinner for our family of 7 kept him busy most of the time with his job quite a bit so it was indeed exceptional when he took the day off during the summer to drive me to the doctor's office. I wasn't sick, so that's part of why it was unusual, but the other part was I didn't know exactly what to expect. Of course I knew some about the docking ceremony and that I'd be losing my tail to become more of a man - to be worthy of my father's name - but... at the same time I didn't know much at all and was worried. My older siblings had hinted about things to come, but hadn't told me much of anything useful. A couple of my siblings did more than hint, but that's another story entirely.

Anyway, here we were walking into the office - a big burly male Rottweiler and his somewhat-bumbly 6-year-old son that idolized his dad a whole lot, trying to be like him in any way he could, even down to doing his best to match what his dad was wearing. Yeah, it's sort of silly to think about it like that now, with him being all muscle and me being kinda flabby. His jeans work-worn though still bright and mine with the knees worn thin from playing. But, still, he's my dad and I looked up to him a whole lot, even though he wasn't around too very much and I didn't get much one-on-one attention from him.

We walked up to the receptionist, an older rabbit in a neatly-pressed nurse's uniform, as she asked "Do you have an appointment?"

"No, sorry." My dad said as he turned to scan the rest of the small waiting room. There was an elderly bear with an oxygen tank seemingly asleep in a chair in one corner, a mother rabbit with two small children in chairs, and two babies playing with toys on the floor in another corner, and a couple of teenager-looking coyote girls giggling as they thumbed through the old waiting-room magazines, pointing to this and that as they carried on. My dad grabbed one of the business cards from the tray and, picking up the chained pen jotted down "special services, please. Heinrich Koppel and son Deiter."

Reading the card, the nurse nodded. "Ah, ok. I'll let Dr. Stouffer know you're here." I grabbed the edge of the counter and lifted myself enough to peek over the lip in time to see her drop the card into the shredder and the machine whirr to life, turning it into confetti. My dad nodded and we took a seat somewhat away from the others. Unlike when my mother would take me to the doctor, we didn't say a word. He didn't speak to me, and I, for some reason, didn't say anything to him even though there were a thousand and one questions running through my mind, and some of them quite worrisome to me at that point.

As a child, there were always stories about how Rottweilers and other stubby-tailed breeds get docked. You get taken to a dragon and he bites it off. Your dad bites it off and then your mom feeds it to you as dinner. You get taken to a lion and he bites it off, or eats you if you're not worthy. There's a machine that rips it off of you and if you don't scream you're allowed to live.... All sorts of stories that older brothers use to scare the ever-loving crap out of their younger siblings to keep them compliant about keeping secrets and such. Oh, and then there's the reasons it's a secret... Well, the traditional reasons and also that, as I mentioned, more and more it's becoming illegal. That's another great reason to keep things secret, these days.

People filtered in and out of the waiting room and soon it was our turn, only an athletic-looking stallion waiting in there after us. The vet himself - a wolf in white lab coat that looked to be about the same age as my dad - came out to usher us behind the door marked "Private - Clinic Personnel Only". "Hi there, you must be the Koppels... just this way." He then noticed the stallion. "Hey there Jim. Cynthia will be out to take care of you shortly. She's getting some stuff ready for me right now but it shouldn't be too much longer."

We stood up and my dad guided me towards the door with his hand on my back as the stallion casually replied "Thanks, Doc. Been looking forward to this all week, but Coach said I had to wait even if I wanted to come in early."

The vet nodded to the stallion and as soon as my dad had his hand on the door to hold it open for me, started down the hall. I looked up to my dad with an inquisitive expression as we went through the door and started to say "Dad, wh..." as the door closed behind us. He stopped me short by shaking his head and saying "Later, son."

Again I became quiet, leaving only the scuff of his work boots and my sneakers to mark our passage down the hall. The doctor turned left towards the end and opened another door, again holding it to expedite our passage.

I was surprised when it opened into, not an exam room, but a staircase. A dimly lit one at that. Then as I noticed the sign on the door, it made me feel quite small indeed and my desire to run from there increased exponentially. "Basement Access" was the legend on the door, and indeed the staircase looked to wind downwards into a dark abyss.

"Go ahead, pup... it'll be alright." The vet consoled.

My father stepped through and down the first couple steps as I stood frozen at the doorway. "C'mon, son. Ain't nuthin' here that should scare ya." He then smirked. "No dragons down here, are there, Doc?" His mouth curled up in the broad Rottweiler smile that he showed from time to time, though rarely when I was balking at something.

The vet looked confused at the comment for a moment, then seemed to realize what was being referenced and laughed, patting me on the back. "No, no dragons. Just.... c'mon, pup. Your dad has something important planned for you, and I know you don't want to disappoint him."

Typically firm, and seemingly gruff about a lot of things, my dad offered his hand to me, as though I were a little pup about to cross the street for the first time. Surprisingly, I didn't feel as afraid as I stepped through the door and took hold of his hand. We walked down the steps together after the vet moved ahead of us. "What's about to happen is something you shouldn't speak of to anyone outside our breed, or even really outside of our family. Even many Rottweilers don't quite understand what this is all about, and there's one aspect of the tradition that's illegal in nearly all parts of the world. This is why we don't ever speak about it. Those that are docked, know already. Those that aren't... if they're young, there's no need to spoil the surprise. If they're older, they probably shouldn't know. If they're of a different breed, it's likely they wouldn't ever understand and would happily see me, your mom, and the Doc here in jail for the rest of our lives because we - or at least your mother and I - feel the traditions handed down to us by our parents should be continued wih you and your brothers and sisters."

It was indeed a lot to take in, for such a relatively young pup. The thought of my dad and mom in jail made me shudder and was far worse than any of the stories I'd heard about what happens during the docking ceremony. Though I didn't know him well at that time, the vet seemed like a pleasant fellow and to think of him being locked away, too, wasn't a happy concept. I swallowed hard as we passed by the heating boiler, the incinerator, and a few doors before the vet opened one for us towards the end of the building. The hall and basement was generally poorly-lit, but when the door was opened light flooded into the hall and, though nervous, I looked in to see what appeared to be a somewhat-unusual exam room, though cheerily illuminated and quite clean.

"Please go in and disrobe, your dad will show you what to do. I'll be right back as I've got to see that Jim's been settled in and that things are arranged in case your procedure spills over into the next appointment block." With that, the wolf closed the door behind us.

Dad began shucking his clothes off, and I did the same. For the most part, we went around the house in just our fur - all of us kids and mom, too - except when we had company over that... well... not everyone thinks fur covers enough of us so they can get upset when we don't wear clothes too. Once we were in just our black-and-tan "birthday suits", I looked around the room with a more wary eye. There was a pair of toilets in one corner, a curtain drawn back exposing them. Near that were two bars on the wall with little shelves beneath them. Both at different heights from the floor. At first I thought they were towel bars, but on closer look they were of far heavier metal and far more firmly fixed to the wall than would be required for towels - not to mention there were no towels on them. Between the two horizontal bars was a double-hook on the wall, about head-height. Across the room from that was the usual counter with a sink and cabinets, a small writing desk was fixed to the other wall near there with the typical doctor's stool tucked beneath it. Next to the sink and closer to the door was a cart with a tray on it covered in white cloth. Then, in the center of the room, were two odd bench-like things - what I came to know shortly later were docking tables. One was larger and the other child-sized, the smaller one clearly meant for me.

Now, a docking table is somewhat like a weight bench. There's a narrow part on which the upper torso, as in one's ribcage and head, rests. Beneath that to each side are usually two handles which the one on the docking table can grab and pull, if they feel the need, during whatever procedure is happening to them. After a gap and lower down there's an adjustable padded shelf-like portion, either singular or two, on which the individual kneels while in position on the table. Sometimes the shelves have cupped portions to better cradle one's knees and hindlegs, but other times it's just a padded shelf, depending on what procedures that docking table is meant for, or perhaps how cheap the manufacturer is.

At any rate, the two before me were identical to each other, but for their size. My father told me to put one of my knees at the front edge of each of the trough-like shelves on the smaller table, and to lean over onto the forward part and to grab the handles. As I tried to do so, we found the table was adjusted for someone a bit bigger than I was. Just at that point the vet walked back in and smiled. "Oh, good... we'll just get that adjusted, then get you strapped in and we'll be ready to go." He looked to my father. "You two take your pills this morning, or no?"

My dad shook his head. "No pills, sorry. Gonna have to do that the old-fashioned way." There was that smile again, which puzzled me a bit.

The vet nodded and soon the table was adjusted. "Ok, now... Dieter is it? What's going to happen to you will hurt a bit. Well... it may hurt a lot. A lot of what will happen over the next little bit will seem very weird, too. Are you willing to become a man by taking the hurt that comes with the docking tradition?"

I lifted myself up a bit from the table and, looking worried, looked to my father. My gaze was met with a smile that beamed at me, showing me his love and pride in me before it dropped to an inquiring expression, then a bit of a frown as time seemed to drift by with my mind racing. "Answer him, boy."

My heart was beating fast... I didn't want to disappoint my father, but the thought of being hurt a lot. Swallowing hard, my gaze turned to the vet, whose face held a pleasantly soft, though expectant expression.

"I... " all I could do is nod as I looked back to my dad, who grunted acknowledgement and nodded to the vet.

The vet fuzzled my head some. "Good lad, now... Dad, your turn, too." My dad nodded and lay down on the other docking table alongside me. The vet busied himself about at the sink and cabinets as I heard a click and whirr. Two parts of the wall flipped around to reveal video monitors, showing each of our rumps. His with a short stub above his pink pucker, and mine with the long whip above my smaller tailhole. The vet wheeled an IV rack in between our hips, on which were two bags bulging with some fluid, likely the water I'd heard running shortly before. "Ok... now, lad, have you ever had an enema before?"

Looking to the vet back over my shoulder, I managed to stammer "I don't even know what that is, sir." The wolf smiled and nodded. "It's nothing to be afraid of, pup. It's just the word for the process of putting liquid into your rear to get your bottom cleaned out of poo." he said, nonchalantly. A squidge was heard and I looked back to see him putting some clear gel on a small white stick-thing connected by a hose to one of the bags. Another, much larger, black stick-thing was similarly connected to the other bag. "This may be a little cold, kid, but it'll be alright shortly."

I felt the vet's hand on my rump, thumb lifting my tail as the slickened nozzle was touched to my tailhole. It clenched tightly in reflex to the contact but the skillful vet eased the tip of the tube into me anyway. It was weird, that was true, but my butt quickly relaxed for the slight intrusion. "Seems like he is indeed ready for what's to come... or at least as ready as anyone. I thought he was a bit young, but seems you were right."

My dad grunted as I watched his rear get invaded by the thicker black nozzle and he nodded. "Yep, we figured it was his time, or at least durn close."

Soon I heard a couple clicks and felt a very unusual sensation as warm water trickled, then flooded into my rear. Hearing my dad shift around some I figured the same was happening to him as well. "Both of you just let me know when you really need to go and I'll stop the flow." The wolf then moved forward and to me, said, "The thing here is to try to squeeze your butt shut when you feel like you're going to go, until you can't stand even a drop more. Then I need you to tell me and then you race over to the toilet and you can go, ok?"

I simply nodded as I was feeling quite full in my rear already. I was feeling really weird after a very short time "I gotta go, doctor." He slowed the flow a single click. "Try to take a little more, pup. I'm sure you can do it." My dad said "Doc, slower." and his was clicked back some as well. Soon dad shakily said, "That's it for me, stop." And quickly the vet stopped his and mine both. "Ok... now I want you to squeeze your butt really hard and I'll pull out the nozzles. Please don't get my floor messy, though." Then, with a chuckle, he added, "Or me, either."

I felt the nozzle leave my rear and quickly waddled over to the crapper, sitting down barely in time for a tidal wave of water and waste to leave me and splash into the bowl. My dad quickly followed but did so with a little more dignity than I did. Then again, he didn't have to worry about keeping his tail out of the way, either.

"You two just sit there awhile and let it flow out, don't force it. I'll get the bags set up for the next one." the vet said as he took the bags down from the IV stand. "Oh, your son did quite well... very good for one his age and size."

I looked to my dad slightly confused. "Guess he means you got a lot in ya, boy. That'll help."

At that, I smiled up at him and soon we wiped and flushed, standing up just in time for the vet to hang up the bags on the wall hook by the towel-bar-like stands. My dad stood by the taller of the bars, then grabbed it and stepped onto the shelf. With his knees braced against the wall, feet on the shelf, and hanging onto the bar, he was balanced in a squatting position with his rump about waist-height off the floor. "C'mon, son, just hold onto it like this."

I nodded to my dad and stepped up onto the step-up and then grabbed onto the lower bar of the neighboring higher shelf. Now, too, my rump was about waist-height off the floor and fully exposed. I looked over at the bags and saw the vet had changed out the nozzles as well as refilled them. Now it was a shaft with a bulge towards the tip, the bulge being about twice the size of the shaft itself, both of which were larger than the last ones.

The vet was busying himself with lubricating the one that was presumably meant for me, then he leaned forward and said softly in my ear, "This one will feel a little different and it might hurt a little bit going in, but it'll feel alright quickly." With that, I felt the cool gel contact my ring again and felt the firmness press forward.

The vet was right in that it did hurt a little bit when the largest part of the bulge passed through my rumpring, but as the tube settled in, it was indeed only a momentary ouch. My father seemed to take his quite well, without even a grunt. Positioned as we were, the feeling of the water flowing in, and the way the nozzle was situated, felt very different and... even somewhat pleasant to me. My sheath firmed up this time as the bag drained into me and, looking over at him, my father's was plump as well. Soon we were full again and back on the toilets. This time I noticed there was more water than anything coming out of me.

Again the bags were taken away and refilled. The vet then asked my dad, "Which would you prefer for the final flush?"

My dad seemed to think for a moment before saying "Bars, and give him a reasonably big one. I want to hear him squeak when it goes in. Give him a feel for what'll happen later."

As I stood there I must have gotten a really worried look on my face hearing that. My dad saw it and chuckled. "Dun worry, boy. You'll be crying before it's all over but you'll also be feeling better than you've ever felt before. Trust me." I looked to the vet and he gave me a nod and a weak smile before my dad slapped me gently on the back and pointed to the bar. "Up ya go, boy."

Again the bags were hung on the hook, and my dad mounted his shelf. On the end of the bags were nozzled shaped mostly like a christmas tree... two cone-shaped ones, and both seemingly massive. The smaller one at least an inch and a half at its widest and the larger not too much bigger at 2 inches or so. I started to shake nervously. "Boy, you can do it. You want to become a man, right?" My dad jeered a bit as his was lubricated and pushed into place, eliciting a grunt from him.

The vet took more time lubricating mine and as it contacted my pucker he whispered into my ear, "You can take it, pupper... just think of it as your dad's knot going into you, making you a man. That's what this is all preparing you for... becoming a man much like in ancient times." My eyes welled up with tears as the tapered object stretched my rear more and more. I let loose a sob as I felt the pressure build more, stretching me seemingly hugely.

"Just a little more, kid, you can do it. Take a couple deep breaths and relax your rear as much as you can. If you think you can do it, push downwards as you breathe out and I'll push up harder so it'll seat in you." came the whispered encouragement.

In, out, in, out in little pants I tried to relax... then I did that, two deep breaths and as I was breathing out the last I pushed downwards with my arms as hard as I could, then yelped as the pain flashed through me when the plug nozzle was seated in my young rump from the vet's simulataneous upward push, just as my dad had wanted to hear. My vision was blurred with tears as the water flowed once again, but, in addition to the pain now throbbing through my bottom was a sense of accomplishment in taking such a large object into me. I guess I indeed was ready to take pain in becoming a man, just as my father expected of me.

Soon it was time again and this time it hurt even more when the large plug was pulled from under my tail, and I barely was seated on the throne before my battered rumpring let loose its torrent of fluids. My dad had far less trouble than I, apparently, and simply went as though it was nothing unusual at all. I was surprised at that but then again, the whole situation was odd to start out with.

Soon we were through and cleaned up, and cleaned out, and I again found myself on the smaller docking table. This time my dad was casually seated on the other one and the vet wheeled over the cart with the cloth-covered tray atop it. "Ok, pup. Now... I'm going to strap you down here so you don't wriggle too much and fall off. What's about to happen is going to hurt more than that enema plug did. But unlike in the ancient times, I'm going to give you an anesthetic - a pain killer - so it won't hurt as much when I remove your tail. Your dad was right in bringing you here as I can give you the right amount at the right time, unlike some of the back-room docking places which many times can't give you more than a toy to bite on... and sometimes bungle the docking itself." He frowned at that as he stood beside me, taking a broad strap and drawing it tight across my lower back, before strapping down both of my ankles and thighs to the shelf of the docking table. "Now, because I'll be doing that, at one point you'll have to keep absolutely still when I tell you, or things can go very very wrong. I mean, you can end up in a wheelchair peeing into a baggie type of "wrong". Do you understand, pup?"

I swallowed hard upon hearing that... there had been a pup that lived down the street, an Australian Shepherd, that had been in a wheelchair... but their family moved away quickly after Sean's "accident".... Could that have been what happened to him? I took a deep breath and nodded, saying quietly "Yes, sir. I understand." even though I dreaded the part where he said it'd hurt worse than what just happened to me.

The vet consolingly pet down my spine and looked to my dad. "Shall we begin?" My dad simply nodded and took his place on the other docking table. The vet didn't strap him down but uncovered the tray to reveal, among other things, a couple syringes, a scalpel, sutures, and an odd object that looked somewhat like a black plastic canine penis. The vet went up towards my dad's head and asked "You abstained for two weeks, right?" My dad grunted and nodded, "Yup. Damn near didn't make it, either."

The vet nodded acknowledgement and then asked. "Want the milker or just go plain?" This confused me completely at the time, making no sense at all to me, but I would later learn about those sorts of things.

"Eh..." my dad seemed torn about that decision and then grunted. "Just plain, don't want to go off too early. 'Specially with how long it's been."

The vet nodded and went to the cart and began lubricating the dogcock-like object. I could see some metallic-looking bumps and bars on it as he turned it about, spreading the lubricant over it. He then gently pressed it into my dad's rear, clearly visible on the monitors again, and pushed a button on one edge of the larger base. "Ok, you're ready to start. You should feel it begin the precursor sequence shortly. When you're ready for the next step, press the large button once and it'll go to the holding sequence. Pressing it again will go to the final step, and you'll likely not want that just yet." Dad nodded in reply as a light turned green on the base of the instrument. The vet then turned to me and pet down my back "Now, for you..."

The vet surprised me by taking off his lab coat, revealing that he was just in his fur beneath it as well. I hadn't noticed but sometime between when we came in and now he must have removed his pants. His salt-and-pepper gray pelt covered his body from head to foot, apart from a few "expressive" marks like his eyebrows and the corners of his mouth. His sheath was bulging and he gently drew it back a bit to reveal his cock, which was easily the size of the narrower thickness of my wrist. He caressed down my back to my tailbase as he softly said, "In the ancient times, the village shaman would be the one to do the dockings of the young males seeking manhood. They would be tied over a rock or log much as you're laid now, and in exchange for his services, the shaman would be the first male to enter the boy, preparing the way for his father. To that end, this will go into you on your path to manhood. To understand what manhood and mating is, you will first learn to receive before you can learn to give."

I was petrified. That plug hurt and his shaft wasn't much smaller than what that was, if it was smaller at all! I whimpered "I... I can't." Dad turned his head to glare at me, but didn't say a word. He then turned to look forward at the monitors and the vet knelt near my head and whispered in my ear. "You can. I know it looks huge, and your dad is much bigger than I am, but you can. I know you can. And you will."

He then stood and moved behind me. I heard the squidge sound and couldn't tear my eyes off the monitor before me as I could clearly see him applying the lubricant to his veined red shaft. It was then put to my tailhole and he leaned forward, mounting atop me and whispered in my ear. "Two deep breaths, and I'll go slowly. It'll hurt but just bear with it. You can become a man, I know you can."

I whined and did as he said... at the second deep breath I felt his warmth parting me. It went easily for the most part until the thickness of his tapered end wedged me just a bit wider than I could really accommodate at that point. That's when the tears welled into my eyes and my breathing became panting again. He nuzzled the back of my neck and gave a thrust which stuffed the end of his cock through my ring into my back passage. I cried out as that happened and then started sobbing softly. My ring clenched tightly on the tip stuffed inside it and the vet grunted, probably in pain from my tightness, but he rode it out and soon my rear was trying to draw him inwards one moment and trying to expel the invader the next. Expertly, he pushed forward when I was trying to expel him until he got a couple inches into me. It hurt like nothing I'd yet experienced, but it was lessening bit by bit. Soon he was fully inside me by the feel of his sheath bunched up agianst my tailhole.

My vision was still blurred by tears but I could see my ring stretched widely, but that his shaft was all the way in. He nuzzled my ears and began slowly thrusting, which resulted in a different set of pains in my rear, from the stretching, relaxing, and re-stretching of my inner passage. I whimpered as he sped up a bit. "I need you to hold perfectly still now, pupper." He said as I felt something rubbing at my tailbase. Sometime he must have leaned up and reached over because on the monitor I could clearly see him swabbing just over my spine and in his other hand a syringe with some yellowish fluid.

Scared hopeless, I gripped the handles tighter than when the pain washed through me from his initial penetration and held as still as possible. I felt the needle enter between two vertebrae and then a rush of cold as the injection was given. "There, good lad." he said as he withdrew the needle and began thrusting. Something bumping my pucker now and again, just a little larger than his penis. I soon realized it was his knot just as he slipped it into me, causing me to squeak a little, and his thrusts grew shorter as I felt his member blossom larger within me. He leaned forward again as I saw my dad reach back and push the button on the instrument in his rump, causing the light to turn yellow. I was shocked to see the size of his maleness, erect and dripping something from the tip, waggling beneath him as he lay on the other table. The vet nuzzled my ear as he whispered into it. "You're getting erect, too..." I felt a hand grip my sheath, which had swollen and part of me peeked out from its opening like it sometimes did in the morning. "... Though you're probably a little too young to ejaculate, and the pain of my knot in you is keeping you from getting fully hard and having a dry cum."

I could feel the pain of his swollen knot inside me and then felt his cock twitching inside and a sensation in me of warmth seeping further inside me, but I also could feel my butt feeling... fuzzy, almost. Like my foot after I'd sat awkwardly and it fell asleep. He must have noticed my confusion. "Yes, that injection was the painkiller for when I remove your tail. It'll also help you let your dad enter you, but it will wear off before he's through. But it'll be alright. That's all part of the modern ritual." I felt him then lean back again and heard a shaver going for a moment before I realized he was shaving my tail... it was actually going to happen! I probably was only wagging in my mind but I was going to be docked! I was going to actually become a man!

"Almost done there, doc? I don't know how much longer I can stand layin' here flyin' a holdin' pattern." my dad said after a time. The vet laughed and nodded. I hadn't seen nor felt a thing apart from a little tugging masked wonderfully by the twitching and throbbing within my rectum. The vet was clipping the final stitch and soon had my tail bandaged as he gently tested his tie. "Yep, nearly done."

His knot had diminished in size inside of me without me really noticing, though to me it seemed like it was still fully inflated. A couple of tugs later and my rear stretched and out popped his partially-swollen maleness with a sort of slurping-plop noise. As the vet stepped away from my rear, my dad got up and stood near my head. "Boy, watch this. The doc here knows all sorts of magic-like tricks for us guys, and I suppose some for the girls, too."

With that, he turned around so I could see him press the big button on the instrument in his rear and the yellow light turned red. When he turned back my eyes went wide as I watched his organ throb with his heartbeat and grow larger and larger, until it was nearly two inches across and nearly a foot long, pre-cum drooling from its tip to wash down the sides of his huge maleness, lubricating the reddish-purple shaft with the crimson veins showing clearly against the background. "This is what's gonna go in you, boy. That and more."

I gulped as he moved behind me. In one sustained thrust he shoved the entirety of his huge dogcock into me. I watched, stunned, as the monitor showed my tailhole spread terribly wide, a thin white "O" around his cock as it slid slowly into my depths. What surprised me more was that I only felt the pressure of it within me, twitching a bit and my rear trying to expel the intruder once or twice. It didn't hurt at all, which confused me until I remembered the painkiller the vet had injected into me. That must be it.

I felt every inch, every movement as my dad started thrusting vigorously into me, and then discomfort started seeping into my consciousness as the anesthetic started wearing off. I started whining as the fuzzy feeling returned to my rump as the nerves again started to transmit their electrical impulses. "Dad.... it's.... starting to... hurt..." I managed to pant between his deep in-thrusts.

"Right on time. Good job, Doc." My dad smiled. I noticed the thing in his rear twitching in time to his cock bucking inside of me. Was the instrument in there causing him to do that?

Upon hearing that, I looked to the vet with a panicked expression. If it hurt just a little right now, how much would it be when the drugs wore off completely? I whined as the vet caught my gaze. "Sorry, pup. This is part of the ceremony. But from pain comes pleasure. Trust me."

I turned my head and looked forward at the monitors once more, and was shocked to see and feel a slight bulge passing in and out of my ring, growing larger and more difficult to insert and remove with each successive thrust. My dad was going to tie me! And if his cock was huge, his knot was going to be even larger! I couldn't take that, even if I wanted to! "Dad.... no.... don't tie.... me...." I whined through the firey pain now popping in and out of my barely-numb rumpring.

"You.... can.... and you.... will." My dad grunted as he continued to thrust in and out. Suddenly, he stopped thrusting and I felt a moment of relief. But it was for a moment only. He then began a sustained pressure in-thrust as his knot slowly spread my ring wider and wider.... and wider. Until he stopped with it precariously balanced at the largest periphery of his lobulated orb.

Tears were streaking down my face as it throbbed and grew with each passing moment, stretching me more and more, more and more painfully, until I felt it. I can't really describe it, even to this day. Sort of a tearing sensation... ripping... popping... yet... relieving moment as my sphincter split a little at the insistence of his massive bulb. With that I cried out loudly and he shoved forward, stuffing the huge ball of cockmeat into my now-torn ass, saving me from splitting more. I felt a bit of fear wash through me as I felt a trickle of blood go down my left thigh, worrying my dad's now enormous knot would rip my insides in similar manner, but the feeling of him over top of my back assured me somehow. After all, he was my dad and wouldn't want to see actual harm come to me. He reached behind him and pressed the button once more. He grunted and I groaned as his knot, pressed deep as it was, started spreading the frame of my pelvis some as his cock bobbed deep inside me, causing warmth to spread inside me once more and deeper than it had before with the vet.

My body shuddered as I felt something warm and slick surround my own small maleness, which apparently had gotten erect in the process. The warm thing grabbed me tight behind my knot, causing my legs to want to thrust, even though they were restrained. Soon - a bit too soon, I'd learn later - my young knot swelled fully inside the rubber casing and with my father's cock twitching and dumping his seed deep inside of me, my own small member bounced and twitched in its first orgasm. The sensations running through me were wonderful and wholly confusing. Pain mingled with pleasure. Pressure and floating. Warmth both inside me and surrounding me.

Soon my mind came down from the clouds and my father was leaned atop me, nuzzling my head. "Told ya, boy, that you would feel it in ya."

The vet smiled, pushing some other button and extracting the instrument from my dad's rear. He went forward and fuzzled my head as my dad seemed to fall asleep atop and inside of me. "I thought you might have been too young, but you did it. You bled at your first mating showing you were worthy of it, and you withstood the pain of your father's knot. You are no longer just a pup but now a young man." He caressed my ears some and then stepped back as my dad stirred atop me, waking from his own euphoric stupor.

My dad similarly nuzzled my ears again and tested the tie between us. He didn't really have to, as I could feel the strain on my pelvis as his knot remained lodged firmly within the confines of my hipbones, making me feel terribly full. My erection wouldn't go down, even though it had finished bobbing. Leaning back, my dad grunted "Uh, doc, I think I tore m'boy some here...."

The vet nodded and sat down on the little stool. "Yes, you did. I saw the blood and figured tha t's what happened. That's fairly normal during the docking ritual, so I'm used to it. I'll take a look at it when you shrink enough to go down. That shouldn't be too long since I took the probe out. All in all your son did quite well, generally speaking. Some we get through here are really messed up about it. Others, the ones that might get docked when they're older, are rather difficult to get a full "first mating" from. But that's how things go, you know."

I listened to the chit-chat between the vet and my dad as he gently rocked his hips this way and that. His cock and knot within me rocked as well and the feeling was... surprising. My rear still hurt a whole lot. I mean a WHOLE LOT, but this still felt... good, somehow. Like it was supposed to happen. Soon my dad's knot had shrunk enough to pull out of me with a pop, eliciting a yelp from me as my ring tore a little bit more, showing a bit of exposed red flesh off one corner.

The vet wheeled behind me and looked, putting on a pair of latex gloves, examined my battered, bruised, and bloodied tailhole. "Oh, this isn't so bad. I've seen worse, especially in girls, but this isn't bad at all." He rubbed my back. "You won't even need stitches, I can do this with a little medical superglue, though it'll sting for a moment." The petting of my back to my tailbase felt good, and my erection was finally going down, letting the sleeve drop off of it to somewhere back into the table.

I cried a little when the cold medical adhesive dropped onto my sore and tortured ring, but with two fingers up inside my stretched hole and his thumb I could see he fixed up the little tear right quick, though it had felt as huge and long as the Grand Canyon when he was touching it. His fingers wiggled around inside me a bit, apparently checking to see if there was anything else amiss. When he withdrew his fingers there was little blood streaks on the gloves, but no huge stains. "Seems he's alright inside, too." The vet patted my left leg some. "You did very well, pup." he smiled as he undid the restraints. "Guess you two are ready to go. Do make sure to send him back in a week or so for me to check on that tear. The receptionist has already sent out the supplies you'll want at home by special courier, so you're... pretty much done. Congradulations, pup, or.... young man."

I smiled at that as my dad and I put our clothes back on, me no longer needing to button the loop in the back of my jeans as my little nub stuck just the right length through it, though white with the bandages rather than black like my dad's.

It didn't stop wagging all the way home. I was now a young man.