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It felt different to be in school when you weren't a student, Isaac thought. It wasn't as though the brown-furred yak was visiting anyone, though; he was actually now a professor there after studying at the institution for years. Truth be told, he was a tad nervous with the prospect since he hadn't been the one who'd come up with the lesson plans that he'd taught previously, but he was more than willing to work at it to provide the best possible learning experience for his students. While this was the ultimate goal of every teacher in the college, there was one small thing that set him apart from other profs - his seemingly impossible size.

See, Isaac was a behemoth of a yak, a being of pure masculine musculature that practically filled every room that he entered. Watching him amble through the wide hallways felt like watching a concrete wall walk – an ostensibly preposterous sight. Yet, he was still incredibly mobile as his astonishing twelve hundred pounds of densely packed mass was spread across an even eight foot frame. That was in height, of course, but his body was working on making that his width as well. He was a veritable titan of modern legend.

The burly bovine possessed sumptuous arms, unquestionably massive limbs that made steel cable look feeble in comparison. Absolutely gorgeous split-peak biceps rose high in the air with a diameter best measured in feet, accompanying tremendous triceps and forearms that completed what was likely the largest pair of arms in the world. They were probably strong enough to hoist oil tankers into the air, he was sure of it – though he knew that he'd never get permission to try. For now, at least.

Isaac's chest would be the stuff of myth had people not already gazed upon it. It was like looking at twin slabs of meat heavily packed into some sort of casing, except that it was all real and all actually a part of him. They were so stuffed, in fact, that the sheer amount of beef crammed into his prodigious pectorals forced his fat nipples to point straight downwards. Sure, they obstructed a good portion of his peripheral vision, but he never had much of a need to look down at the ground in front of him these days anyway.

To say that his back was tantamount to a mountain range would be doing a disservice to the utter breadth of himself. His traps were glorious hunks of muscle that rose basically all the way to his ears, while his cannonball-like shoulders jutted out far and gave him the width needed to accommodate his burgeoning heft. Every muscle group running down his back was impressive in their own right, but all were completely dwarfed by the outright magnificence of his latissimus dorsi. Anytime he lifted his arms, those winglike muscles made their presence known to all who happened to be looking. He got a lot of people actually saying that they were their favourite part of his body.

Then came the rest of the bovine's shredded torso. While not nearly as large as the other muscle groups on his frame, the ones present here were still mightily extraordinary all on their own. At one point in time he'd have described his abs to be like a cobblestone path with how tightly packed together they were, but now calling them rolling hills of taut bulk seemed more appropriate than anything else. Coupling that with positively striated obliques made for a remarkably shredded physique that was still yet unmatched.

Last, but very much not least, was Isaac's lower half, which was just as awe-inspiring as everything else that he had. His quadriceps were undeniably comparable to tree trunks, but only the biggest of redwoods seemed suitable in this regard. They bulged with excessive musculature, having forced him to readjust the way that he walked in order to make sure that there was enough room for the pair of muscle groups. While not nearly as huge as those quads, his calves were certainly far stronger than a lot of the other students attending this school. The weight training records that he set years ago that were still unbroken to this day were proof positive of that.

And finally, there was his monstrous set of glutes – a pair of gargantuan, dimpled, croissant-shaped cheeks that protruded out far. They were twin globes of bovine strength that a lot of other men had both made love to and were incredibly jealous of, sometimes simultaneously! Though, one thing that saw basically as much action was his monumental pillar that jutted from his pelvis – a testament to bovid virility. This, however, was only the tip of the iceberg that was his genitalia, as it was only as impressive as the testicles that were attached to it. His immense cum tanks roiled with potent yakbatter with every opportunity that it was given, needing to be drained on the regular if he wanted to do anything with his time. Some of the department's budget was going towards industrial-sized milkers at his suggestion.

Isaac's entire body was also coated in a thick layer of fur that only added to his intimidating look, but that was only if you didn't realize how cuddly he really was. There was hair all over his frame, especially concentrated around his arm pits, crotch, ass, and culminating in a thick carpet of fluff from his deep pec valley down to the base of his shaft. And, while they weren't related to muscle in any way, his enormous horns were still very much impressive in their own right.

The interesting thing about Isaac and his peers was that they were very set apart from what one would consider to be stereotypical bodybuilders. For one, they were all incredibly intelligent, having studied the very curriculum that he was hired on to teach. He, specifically, deviated from the norm by needing corrective eyewear, opting for a rather bookish-looking pair of circular glasses. He also had long, shaggy hair and would extensively explain to people that it in no way impaired his vision in the slightest. Despite being huge, he's very diligent with his personal hygiene and makes sure that he's washed himself daily, sometimes more than once depending on that day's activities.

One unfortunate downside to his towering physique was that clothes that fit him were massively hard to come by. Gone were the days of being able to slip into a shirt straight off the store rack as the only tops that he can wear now are ones that open down the front on account of his massive horns. He could get into them, but just barely, looking like they were painted right onto his frame. His bottoms fared no better as the only thing that he could wear to make himself look anywhere close to modest were shorts, but the material stretched itself so thin that it often looked like he was wearing a strip of fabric around his waist.

The one thing that the brown-furred bovine made sure to keep contained most of all was his hugemongous package. Besides whatever pair of shorts he wore, he made sure to keep his cock and balls enclosed in the stretchiest speedo that he could both find and afford. They did the job well, sure, but with how much the undergarment clung to his flesh and lovingly contoured around every bulge, it genuinely left nothing to the imagination.

Isaac let out a sigh, one that was a bit nostalgic due to the time of year. He had a feeling that stepping into that first year classroom was likely to mentally send him back in time to when he initially took his seat. Damn, that was so long ago now! He chuckled, thinking of how much things had changed since then, both with the school and even the program, but also about himself as well.

***

The room was abuzz with the chatter of a multitude of different conversations going on. It made Isaac's head swim to hear all these voices talking at the same time. He wasn't a part of any of them, so he opted to just sit down at an open seat in the lecture hall. The whole experience thus far was a little nerve wracking to him as he was just barely out of high school, though that fact would be incredibly obvious to anyone that looked at him as he still had the babyface that had plagued him for years now. It seemed that no matter how much he wished about it, he was stuck as a late bloomer.

The bespectacled bovine took the opportunity of the prof not being there yet to get his notebook open to the first page and have his writing utensils at the ready for when the lesson started. This was going to be a whole new experience for him, so he wanted to make sure that he was prepared for whatever awaited him. He was determined to do well and have this be a fresh start as he knew nobody else there.

He sat there watching the clock tick onward, counting down the seconds until the class started. His headfur was freshly cut for the new year, ending up flush with the rest of the fur on his head. It showed off his small horns very cutely. That was just how he always had it now that he thought about it. Should he try something different? This would be the perfect chance to do so, but what would he do?

Just then, Isaac, as well as the rest of the class, heard the door creak open. His heart was beating a mile a minute as anticipation rocketed throughout his body. Truthfully, he picked this program on a whim. There were a litany of choices available to him due to the fact that he'd excelled in his previous studies, but his high school did a pretty poor job of letting him figure out what he enjoyed doing with his life. He tried everything that he could, but nothing really stuck out to him more than everything else. So when he saw this program in the list he shrugged his shoulders and went with it since it sounded really different. Sure, he had questions about some of the courses that he'd take, but he can clear up everything with the coordinator eventually.

The door finally opened all the way and the entire class got to see their first professor of their academic careers… and were in complete shock when an absolute tank of a Komodo dragon squeezed his titanic bulk through the relatively narrow door frame. The green-skinned behemoth was clad in a classic white A-shirt, that was already marred by sweat stains, and what were supposed to be a pair of baggy gym shorts yet were stretched so thin that one might think that he was sewn into it. Isaac couldn't believe his eyes – his professor was a bodybuilder?!

Surprisingly, no. In spite of his hulking muscular body, the prof looked impeccably intelligent from all the finer details about him. For starters, he wore a pair of square-rimmed glasses, immediately making him look like he belonged at the head of a classroom; not to mention that those hazel eyes of his expressed his years of experience in giving lectures. One would genuinely believe that he'd literally stood in front of a class hundreds of times before.

“Settle down, settle down." The leviathan reptile waved his hands out in front of him to grab everyone's attention, effectively silencing anyone who hadn't been already. “I'd like to formally welcome you all to 'Barbarian Studies'. My name is Dr. Desmond Nazaryan and I'm the coordinator of this program. I'm genuinely pleased to see that so many students have taken specific interest in learning everything there is to know about muscular hypertrophy."

“I dunno anything about what you're talking about. Isn't this Swoleology?" A voice boomed out from the top of the room.

The expression that Dr. Nazaryan wore after hearing that made it look like he had died on the inside. He palmed his face, letting out a sigh of disappointment at the same time. “That's the colloquial name for this program, yes." He had the misfortune to have had that asked many times in the past.

“I told you we're in the right place, bro!" The guy hi-fived his friend beside him.

“Yes, well, I wouldn't get too excited." Dr. Nazaryan adjusted his glasses. “This program is more intense than, I'd say, pretty much every other one you'd come across on campus. You'll be tested both mentally and physically while you're here, so I'd suggest you do well to stay on top of the material that you'll be learning."

The friend laughed. “Dude, we're totally having sex in here!"

Dr. Nazaryan shot a serious glare at the frat bros. “Not in my classroom, you're not." The students had barely known him for more than five minutes and already they got to see his austere nature when it came to his program. “These hallowed halls are meant to satiate the desire for learning, not anyone's sexual hunger. If you genuinely thought that this is what we'd be doing, then you're sorely mistaken." He walked over to the center of the floor, taking his place behind the lectern. It almost looked like a toy in comparison.

“Now, I'm sure that a number of you are wondering what the 'Barbarian' in the name of the program is talking about. Well, I can assure you that I'm not referring to a native of the Barbary Coast." Dr. Nazaryan noticed himself grip the piece of furniture a little too tightly and let go, having memories of accidentally doing that exact thing in previous lectures. “See, research has been conducted into the discovery of remains of what were, at the time, seemingly impossibly huge people that existed well before modern times."

“Experts had deduced that these people's exceptional growth to be the product of a mutation in their genome, though they couldn't explain why they hadn't seen any such people for thousands of years up until they started appearing again a couple decades ago." Dr. Nazaryan cleared his throat. “While that topic is still up for debate, what is known is that there are still members of society who actually carry this mutated gene, such as myself." He brought his hand up and placed it on his prodigious chest, unintentionally displaying how much his bicep could flex in the process.

Isaac suddenly came up with a question and raised his hand to get permission to ask it, only remembering just then that he didn't need to do that anymore. It was if he was reflexively programmed to do so. “So, does that mean that everyone your size is a barbarian then?"

Dr. Nazarian's eyes lit up upon hearing the young yak raise his inquiry. Perhaps there was hope for this bunch of students yet. “Ah, an excellent question, Mr…"

“Uh, Isaac Kopitar, sir." Isaac gulped, feeling rather intimidated by the Komodo dragon regardless of his actual disposition.

“Well, Isaac, I can tell you that, while a good number of people like me do carry the barbarian gene, a few people have actually taken it upon themselves to grow themselves beyond their regular physical capacity." Dr. Nazaryan nodded. “Of course, it's not easy and it takes a great deal of time and effort to achieve what they're after. Methods that they used to attain such size include, but are not limited to-"

Isaac sat there in his chair just soaking everything that the gargantuan reptile had to say. He was normally very timid, so to see his question be taken so seriously in such a prestigious location as this school meant the world to him. It put his anxieties to rest for the moment. Perhaps he actually made the right choice in program after all.

***

The thought of himself once being scared of his professor – now boss – almost felt alien to Isaac these days. He'd long since gotten over the fear of someone that big, but a lot of that came from the fact that he was massive now as well. It got a chuckle out of him. I was nearly like that for that entire semester. Indeed he was, even among his peers.

***

It had been four long, grueling months filled with some of the hardest classes that Isaac had had thus far, but he was finally done! He'd sprawled down on his bed, exhausted, but incredibly proud of his accomplishments. High school hadn't prepared him to have six exams in the same week.

His triumphs weren't entirely intellectual, however. Astonishing even himself, the brown-furred yak had gained, well… gains for the first time in his life. Now, he wasn't anywhere near as big as his favourite professor was – honestly, nobody even came close to the Komodo dragon's size – but he had some pretty good definition going, like he'd been to the gym for around three times as long as he had so far.

He'd also worked on changing his mindset as to how he presented himself to others. The one thing that he realized very quickly was how uptight he was due to behaviours that were rewarded at the previous schools that he went to. He was still at the top of all his classes, as that wasn't about to change no matter how hard he tried, but he felt a lot more relaxed now. He even let his hair grow out a bit for the first time in his life. He felt so free!

One major change in his life that helped facilitate his transition into a more laid back person was him joining a fraternity – something that he'd never thought that he'd do in a million years. He'd heard horror stories about the goings-on in these places, but there happened to be a frat specifically for the program that he was in: Beta Iota Gamma. It didn't exactly spell the same way with Greek lettering, but that was nothing that a little marker couldn't fix. The best thing of all was that every member was a nerd like him.

“Hey Isaac," he heard a voice call out his name from the stairwell beside his room, “come on down. Everyone's done their finals and wanna hang out now."

Isaac bolted out of his bed. “Coming!" The other freshmen in the frat were all very friendly with him; that wasn't to say that the older guys weren't, but he very much appreciated that the people in his classes got along with him.

When he finally got down the stairs, the bovine could see the three others sitting on the various couches in the living room. “Hey, there he is!" Mark beamed when he saw his fratmate. The tabby cat was a bit on the stockier side, but his chub only accentuated the muscle that he was acquiring. Beside him on the sofa was Bryce, a polar bear. Like the feline he was cursed with a chunky midsection, but unlike the kitty he wore it well by virtue of being a bear. Lastly, there was Barry, a beaver, currently spread out across the loveseat. There was a pair of juniors with names that rhymed with his, so they liked to joke that he was their younger brother despite the difference in species.

“Oh dude, I saw the grade you got in 'Intro to Chem'." Barry sat straight up when he saw the yak make his way over to the rest of them. “How the hell did you manage to get a perfect mark in that class?!"

“Uh, heh." That got Isaac to blush pretty hard. “It was just a lot of hard work and studying, really." He rubbed the back of his literal bull neck. It was incredibly obvious when talking to him that he was nothing if not modest.

Bryce chuckled. “Well, you did pretty much the same in some of the other courses. You nearly made up for some of the others who flunked out badly literally by yourself." He rubbed his forehead while simultaneously shaking his head, though his chortling didn't stop. “I don't think I've ever seen averages that low in my life."

“Well, it certainly weeds out the people who weren't there to learn." Mark leaned back into the couch, his arms draped along the top. “It's convenient that they all belonged to different frats than ours. Means we don't have to say goodbye to anyone."

Isaac nodded. “Yeah, that would definitely be awkward."

“You know, I-" Barry couldn't stop himself from giggling at seemingly nothing. “Goddamn it, compose yourself, Barry." He fanned himself with a hand while taking a deep breath to calm himself down. “I kinda had an idea for something we can do while the other guys are still doing their finals."

“Okay come on, spill it already." Mark leaned forward to hear what the beaver had to say.

By now, Barry's face was firmly planted into his hands, a rosy pink covering the entirety of his cheeks. “I was thinking," he lifted his head up so that the other could see him struggle to keep himself together, “that we could, you know, pose in front of each other."

Instantaneously, both Mark and Isaac recoiled from the positions that they were on, with nervous grins stretching from ear-to-ear. “Oh god, I don't know if I can do that." Isaac looked at the floor.

“Hell yeah, let's go!" Without warning, Bryce jumped up and shucked his clothes off, revealing his heavy ball gut and his fat-caked limbs. The only thing keeping him decent was a pair of striking violet speedos, which he was a little bit too embarrassed to take off in spite of being okay naked everywhere else. “What?" He restlessly giggled, bringing his white-furred arms up into a flex, showing off what little muscle he'd attained thus far. “What's the matter, are you guys scared or something?"

“Not me." Barry was the second to strip, now clad in his chosen pair of orange speedos. He brought his closed fists to his sides in an effort to show off his chest, though he didn't quite have the hang of the pose quite yet.

Mark was next to stand up. “Alright, you talked me into it." He leisurely pulled his clothes off until he was down to just his crimson red speedos. Turning off to one side, he clasped a hand onto his other wrist and tensed up every one of his muscles, though not a whole lot looked different. “How's this?"

“Well, that's the three of us down." Barry shot his gaze over to the bovine with the others following suit.

“Now there's only one to go." Bryce wryly smirked, crossing his arms over his chest.

“Oh no." Isaac collapsed forward, hiding his smiling face on the top of the sofa. “I don't know if I can…"

Mark padded over to where the yak was standing. “Hey, come here." He slung his arm around the other man's body, pulling him into his chest. “You're among friends. We're not gonna make fun of you."

“It's not that." Isaac stood up and lifted his head back, covering it with his hands. “I've just never really liked how my body's looked."

“If anything, you'd look the best out of all of us." Bryce chimed in. “The three of us clearly like eating too much to really show off what we have."

Barry side-eyed the polar bear. “Speak for yourself. Some of us have some self control here."

Bryce quirked a brow at the beaver. “Is that why you ate an entire bag of chips as a snack yesterday?"

“Alright, alright. I'll do it." Isaac announced, grabbing everyone's attention. “For the record, I hate all of you."

“If that's the price we have to pay, then so be it." Mark responded in faux dismay.

Snickering, Isaac nudged the feline in his love handle. Stepping back to allow himself some room, he slowly and deliberately took his top and pants off, revealing the jet black speedo that he wore underneath. “God, I'm such a beanpole!" He groaned once his clothes were completely off of his body.

Bryce clasped his hands together. “Dude, trust me. You look great."

“Honestly, better than great." Barry studied the yak intensely, his thumb and index finger rubbing his chin. “I always thought that you guys were all big and hefty, but you pull off the look well."

Isaac had to bashfully admit that, yeah, he did actually look quite good regardless of what he thought. “Okay…" He mumbled, stretching his arms out behind him to show off his marginal definition.

“Hey, there ya go!" Mark gripped the bovine's shoulder.

Isaac tried to deny it, but he couldn't – he was beaming with pride. He let go of the pose that he was doing and rubbed his arm, a bit flustered, but ultimately happy that he did it. He felt genuinely grateful that he was around such great guys and was glad that he'd be with them for the rest of his program. It made him feel like he could take on anything.

***

Yes, Isaac assuredly excelled in his studies. The yak was an incredibly gifted individual when it came to his academic endeavours. There was one slight worry that he had with the program and that was the abundance of physical courses that he was required to take, though he soon came to realize that they were set up in such a way that anyone would succeed in them should they actually apply themselves.

Of course, he succeeded every single time. Why wouldn't he? He was an incredibly diligent student and wanted to impress all those around him. Man, it wasn't always easy though. He mused. Naturally, he was bound to come across something that he wasn't immediately good at; he knew that going into school. What he wanted to show in those specific classes was that, even if things actually got difficult for him, he wasn't about to give up.

***

It was the day of Isaac's first sophomore final, and he couldn't be more nervous. The brown-furred bovine was full of jitters as he walked out of the locker room. His fingers twitched the more that he focused on the test that he had to do, though it wasn't all that noticeable next to how much his hands were spasming. That might've posed a problem considering the fact that he was about to attempt his lifting exam.

What one might find surprising is that he appeared to be well prepared for the commencing examination. The yak was built like a seasoned weightlifting competitor, a far cry from the scrawny man that he was at the beginning of the last year. He looked like he practically lived in the gym, which would be factually incorrect on account of all the studying that he's had to do in the library.

The baggy gym clothes that he specifically picked out at the start of the semester for that exact reason had grown taut in accordance with his burgeoning body. His pecs had swollen tremendously compared to how he looked this time in the previous year, as did his arms, which now bulged with strength that he'd never had before. His legs similarly bloated with flawless muscle mass, including his ample rear which filled out his shorts like never before.

“Nervous?" A voice came from behind the bovine, startling him. Turning around wasn't necessary as it was unequivocally obvious that the sound came from his fratmate Barry – also evident by the hand that he placed on the yak's shoulder. He'd come a long way from his early days as well, now having nearly gotten rid of his gut entirely. His brawny physique very much reminded everyone of a powerlifter – he quite liked the thought of that.

“Very." Isaac's round glasses drew attention to how bugged out his eyes were. Coupling that with his intense breathing made it abundantly clear how apprehensive he was about the whole thing.

Barry took notice of this and found it rather strange that he could even see the other man's eyes at all. That's when he saw that the yak's hair was all pulled to the back of his head in a bunch and tied up. “I can't say that I pictured you as a manbun kinda guy."

“I'm not," Isaac snorted, clearly agitated, “I just needed the hair out of my eyes for the test."

That got Barry to rub his chin in contemplation. “You know, you could just get it cut and be done with it."

Isaac pursed his lips, not quite able to fully disagree with the idea. “Yeah, but I kinda like how it is now."

“Okay, gather up, everyone." The weightlifting prof called out. He was a panther by the name of Dr. Martell and he, like the rest of the faculty in this department, was nothing short of a Greek god in stature. Though he wasn't quite the tallest of his peers, he more than made up for it in sheer width, with his shoulders stretching out wide to make room for all his bulk. The A-shirt that he wore looked as if it was a couple sizes too small with the way that it clung to his hulking anatomy, especially with how it rode up his broad trunk and left his stupendous abs on display for all others in the room. If this cat pounced on someone, they wouldn't be getting up unless he wanted them to.

“Oh crap," Isaac muttered, “here we go…"

“Alright, this will be your final test." Dr. Martell announced, placing his hand on the bench press barbell that was beside him. “I know that you're all familiar with this and that you've trained hard on it, so this should be no problem for you guys." He looked down at his clipboard at the list randomly put together for this exam. “Remember, we're not marking you based on how many reps you do or how much weight you can lift – we're here to grade your improvement. We want to see whether or not you're capable of outdoing your efforts from the midterm."

Barry nudged the brown-furred bovine in his burly arm. “Where do you think you'll end up on that list?"

“Isaac." Dr. Martell called out to the class. “You're up first."

It was like all the air was sucked out of Isaac's lungs when he heard that. “Oh my god…"

“Good luck!" Barry patted the other man's beefy trap.

This was exactly every other time that he'd been in the weight room, there was nothing to worry about now. That was Isaac was telling himself to calm down, but he wasn't sure just how effective that really was. He made sure to regulate his breathing as it would be genuinely detrimental if he tried to hoist the bar while hyperventilating.

“Just lift like we practiced, and you'll be okay." Dr. Martell reminded the yak as he took his position to spot his pupil's attempt, hands under the bar just in case it dropped.

Isaac knew that his professor was right. He closed his eyes while he took his position on the bench, his heavy limbs hanging off to the sides. It took a few seconds, but he finally found the perfect rhythm for his breathing. With that, he reopened his eyes and shot his hands to the barbell, positioning them perfectly before gripping the metal tight. He was going to do this.

Breathe in, breathe out. Breathe in, breathe out. It was as if he was putting himself into a meditative trance. Now fully in the zone, he slowly, but surely, pushed at the bar. It inched upwards out of its rests and was now in the air. The easy part was over – now the fun really began.

Isaac let the bar hover in the air for a moment before he let it down, bringing it scant inches from his tensed up chest. It was only just then that he hadn't checked to see if he was even capable of handling the weight that was already loaded onto the barbell, but he had no chance to back out now. With every ounce of strength that he had inside of him, he pushed as hard as he could. It worked! He raised that bar as far as his arms would extend, though he remembered not to lock them. That was a painful lesson that he wouldn't soon forget.

From that point on, it was only a matter of repeating that action. He did it again, then again, then again. It was like he was a machine with how robotically and efficiently he was moving his arms. Determination filled his soul and fueled his muscles, keeping him going where he would normally quit. He could've kept up this incredible pace for hours at this rate, but he wasn't there for that; he wasn't exactly counting, but at some point he was satisfied enough with his efforts to call it quits.

“Excellent work, Kopitar!" Dr. Martell cheered as he stood back up. “Twenty reps at four hundred pounds dead on far surpasses your previous record. You've passed with flying colours!"

Isaac almost didn't register what his professor had just said as he was still coming down from his exercise high; it nearly took him ten seconds before he understood what just happened. “Holy hell!" Every single muscle burned from overexertion, leaving his limbs nearly in a jellied state.

“Why don't you go cool down in the showers?" Dr. Martell proudly patted the bovine on his brawny back when his student shifted into a sitting position. “You've earned it."

He most certainly had.

***

Isaac felt amazing coming back home to the fraternity after the positively grueling day that he'd endured. He'd gotten the feeling back in his arms and legs, sure, but he was still gonna be out of commission for the next little while. Eh, he wasn't too concerned – he had some shows and video games to catch up on in the meantime.

He unceremoniously slumped down on one of the couches in the frat's den, feeling relaxation for the first time that day. The ample stuffing of the cushions made his aching back muscles feel like they were resting on a cloud, nearly putting him to sleep right then and there. Sure, his bed was better in that regard, but that was all the way upstairs.

It didn't seem like he was going to much relaxation, however, as the front door quickly opened and closed, signalling the entrance of not one, but two noisy people. The bovine could hear the two of them wander from the door – after taking off their shoes and leaving them neatly on the mat, of course – and into the foyer. It was abundantly clear that they had something on their minds.

“Yo, is he even home yet?" One of them inquired.

“I dunno. I'll check his room." Answered the other. This was punctuated with the heavy footfalls of one of the men as he made his way up the stairwell – the creaking of the older, wooden steps made it obvious that the person was pretty heavy. “Nah, it looks the same as when he left this morning."

“Huh," the other voice sounded surprised, “I guess we actually did beat him home then." The man plodded his way over to the living room. “We got time to kill. Let's play some games." He was about to have a seat on the sofa until he happened to see the yak laying down on it, barely conscious. “Hey, there's the man of the hour!"

The pair of fratmates were a set of identical twins named Terry and Jerry, both seniors. They easily stood out amongst all the others living in the house as they were the shortest men there by a country mile, and that was thanks to the fact that they were both fennec foxes. While they had large, fluffy ears that stretched rather far, all things considered, they both barely hit five feet even from the top of their heads to the soles of their feet, but neither of them actually cared about that for a very good reason.

By virtue of being in the same program as Isaac, they had ballooned in size to a freakish degree. While one not familiar with the work done in that department might regard their physiques as being overly grotesque, they both loved how they looked and always pushed themselves even harder. They were a pair of colossi at their height, both hovering near the three hundred pound mark and displaying evidence of that on frames that protruded outwards nearly as wide as they were tall. Hell, that was an excessive amount of weight on someone a foot taller than them!

Because of the fact that they were identical twins, they looked indistinguishable in basically every way save for one. Terry had a tattoo of the L-shaped piece from Tetris on his arm, while Jerry had one of three golden triangles connected by their vertices – a triforce – on his opposite arm. They made their love of video games very apparent.

Jerry raced down the stairs as fast his massive, stubby legs could take him. “Dude, we heard about how your exam went. That's awesome, man!"

“Thanks!" Isaac yawned, rubbing the bleariness out of his eyes with the ball of a hand. “I put a lot of effort into my studies, and I guess it actually paid off."

“I'll say! You sure beat the shit out of Terry's attempt." Jerry impishly smirked, giving his brother a playful shove. “Man, you should've seen it, he was terrible!"

Terry retaliated with a push of his own. “Hey, you know that I was a late bloomer!" He huffed, feeling disrespected by his twin. “I've improved a lot in the years since."

“No doubt about that." Isaac, again, yawned as he sat up straight on the sofa. He wasn't about to get any sleep with these two around, so he took the opportunity to stretch his mending limbs. It took a few blinks of his eyes in order for his vision to return to him, and the first thing that they focused on when he got his bearings was the brothers' gargantuan statures. He was convinced that they'd end up looking very square-shaped if they continued down the path they were headed. “I still can't believe that you two have barely gotten any taller since getting here. I fully expected you both to be even shorter when you started and yet you weren't."

Jerry shrugged his boulder shoulders. “Fennec fox genes. What can we say?" He mischievously stuck out his tongue.

“Dude, we gotta do something to celebrate you acing that final, man." Terry was practically bouncing off the walls with how excited he was.

“I mean, you don't have to." Isaac stood up, towering over the other two by almost a full twelve inches. “I'm kinda wiped after today."

“Yeah, we can tell." Jerry grabbed a hold of the brown-furred yak's swollen arm, tracing his finger down the throbbing veins. “Look at your pump!"

Terry gripped onto the other one, clutching it against his fluffy, overhanging pectorals. “Man, this just reminds me of all the times that we came home after our various gym exams. We were so pent up after them that we just had sex for hours!"

“Just the two of you?" Isaac chuckled.

“Nah, there was usually someone else who was willing to join us. It depended on who was still studying at that time, but Henry was usually available." Jerry was referring to the demigod-esque Clydesdale stallion that presided over the fraternity, an honour bestowed upon him as a result of being one of the only seniors in the house. He had a fondness for baking and got along famously with all the other members.

Terry found himself hugging that arm that he was clinging to, happily rubbing his face into the musky fur. “Mmm, this brings me back to our second year. We were outlifting some of the guys that were almost seven feet tall!"

“To be fair, we kinda creamed them in the classroom too." Jerry also tightened his grip on the arm he was holding onto. “My grade in that year's Biology class was pretty good, but Terry got perfect marks. I think that nobody else has come close to that since then."

“Oh shit, that was you?!" Isaac looked down at the fennec that snatched his left arm. “I got the highest grade in that class and even I didn't get close."

Terry beamed with pride, his tail swishing excitedly behind him. “Hell yeah it was!" He dug his nose into that meaty arm, deeply inhaling the manly scent. “I dunno if the stars aligned that day or something, but it was like everything went according to plan."

“It made up for your other grades that year." Jerry slowly ran his tongue along the bulging muscle groups right in front of his snout, savouring the taste of the masculine bovine.

Isaac was starting to get a little hot under the collar as he was being manhandled by the twin fireplugs. His calfmaker was chubbing up to full mast in its fabric prison from the deliberate ministrations of the other two, which perfectly matched the action of the foxes' poles as they stretched out their bright yellow speedos. Having tightly packed balls of horny energy around you meant that there was inevitably only one thing that would eventually happen.

The sandy-furred brothers moaned out loud as they massaged their fratmate's burly limbs against their own swollen frames. Threatening to completely shred to pieces, the speedos that they wore were very evidently strained as far as they would go, allowing a glimpse of their fennec manhoods. Not wanting to be constrained by the inflexible material any longer, they both used a hand to pull it down until they could shake it off of their ankles.

Now completely naked and free, both Terry and Jerry switched their attention to the rest of the yak, one grabbing a hold of his front while the other paid attention to his back. They bucked their hips forward in unison as if they were one entity.

“Let us take care of you!" Terry whimpered, the need echoing through his voice.

Jerry groaned into the bovine's mountainous back, his sights set on that gloriously dimpled rear. “Come on, we're really good at making people feel good!"

Isaac could only laugh at how he somehow ended up in this scenario yet again. The twins were notorious in the frat for spit roasting the other members, though all the people in the middle agreed that they were very good at what they did. “Alright, alright." He lifted his arms into the air to emphasize his words. “I think I'm rested enough to do this."

“You're not gonna regret this!" Terry licked up the yak's cobblestone abs, tasting the sweat that had accumulated between the various ridges. He whuffed in arousal as a dollop of pre already escaped from his cum pipe.

Jerry eagerly kneaded the non-fox's muscled cheeks, his own cock drooling rivulets of pre down its length. “Okay, okay, let's get into position already!"

Isaac grunted as he did so, feeling the force that the fennecs applied only increase the hornier that they got. Truth be told, he actually really loved it when he got the twins' attention and gladly put up with the shenanigans as they gave him a good stretching afterwards.

“Yes!" Jerry slapped his hog right between the globes of beef in front of him, rubbing the oozing precum all along the interior.

Terry, meanwhile, gently let his own salami plop daintily onto the yak's muzzle, allowing him to take in his heady musk right from the source. “If you're not awake by now, then I don't know what would help you."

Isaac didn't respond, instead he chose to stick his tongue out as far as it would go and lick at the rod sitting right on his nose. The earthy aroma permeated his nostrils and went directly to his brain where it imprinted itself, sending his pleasure centre wild with lust. A lascivious moan escaped from his throat as he shifted his snout to the side and took that length into his mouth right down to the base.

“Holy fuck!" Terry gasped, his breathing growing erratic. “Okay, that hasn't happened to me in a while. I genuinely forgot how good some of the guys here are at this."

“Well, don't blow your load already. That'd be embarrassing." Jerry snickered at his brother as he guided his dick to the thoroughly lubricated pucker of the brown-furred bovine. All the fratmates were pretty friendly with one another, so they were all reasonably skilled with handling each other's needs in whatever way was required. It didn't matter if someone wanted to be either topped or bottomed, everyone had taken turns with both positions by this point.

Isaac moaned around the prick in his mouth as another one parted his delicate ring of muscle. His asshole got stretched wide as more of the fox's girthy fuckmeat was stuffed inside him, coaxing a groan of approval out of him. Despite the twins being comfortably the shortest guys in the house, the pair of them were by no means small below the belt, as he was now experiencing.

“Aahh!" Jerry moaned as his pelvis went flush with the yak's ass, his knee-knocking balls making contact with the other's man's hefty set. “I think that someone's been practicing in their spare time."

The way that his endowment slid the bovine's throat without trouble nearly made Terry double over in euphoric bliss. “I see that we've taught you well." He lovingly tousled the younger man's hair.

Now stuffed from both ends, Isaac steadied his breathing before he allowed himself to get plowed. He could feel the brothers' heartbeats through the throbbing of their crotch rockets – it really was like the two of them were cut from the exact same cloth!

The twins looked up and locked eyes with each other, with both of them wearing the identical wry grin across their faces. Without needing to coordinate any further, they both withdrew their schlongs as far as they thought they should go before pushing back in with some force. They both moaned in ecstasy as their two cocks were clamped down on exactly how they liked it.

Isaac grunted as he was both anally and orally assaulted. It wasn't like it hurt in the slightest; on the contrary, as the result of being a yak he was able to take a lot of physical energy in either orifice before it started to get to be too much for him to handle. He was very certain of that fact, though it did make him wonder if there was someone out there who could actually do that to him.

Terry hunkered over the bovine's face as he fucked that mouth good. His dick pulsated every time that he felt that broad tongue slather over achingly hard flesh, rewarding the taller man with a glob of preseed for his good work. His heavy testosterone factories bounced off the yak's chin with every hump, though neither of them cared at all.

The feeling of that tight tailhole clenching down on his prodigious length almost got Jerry half-lidded despite just starting not too long ago. His hands were holding onto the bovine's hips like his life depended on it, thrusting with wild abandon as his sandy-coloured pubes repeatedly met the younger man's hairy ass. He could tell that his fratmate had cultivated a ton of discipline as not once had he been whipped by the yak's tail.

Terry's pace quickened as his arousal skyrocketed with every buck of his hips. He pistoned recklessly into the plush interior of the other man's mouth as if it were a toy, but the reminder that this was an actual person was planted firmly in the back of his mind. He could feel it start – the swelling of his prostate was beginning to happen. It was only a matter of time now.

Jerry was experiencing a similar sensation on his end as he hastened the tempo of his jackhammering. The bovine's anal cavity just felt so good to fuck that he didn't ever want to stop, but he knew that he had his limit and that it was coming up really soon. His roiling nuts slammed into the bovine's with increasing intensity, but that only made his libido soar to its extreme. How had the taller man gotten so good at getting fucked in such a short amount of time?

Isaac himself was feeling excitement overtake his nervous system. His own shaft was diamond-hard and leaking profusely, making a mess onto the carpet below him. He had kept his breathing consistent, which was a victory in his books considering how difficult it had been when he'd first tried blowing one of the other guys. But now, it was time to finish the job. With no extra effort on his end he clamped down on both delicious foxhoods, expecting them to explode at any second now.

That got both brothers to moan simultaneously, each very nearly ready to climax. Their bucking slowed to a crawl as their voices raised in pitch, indicating that a flood was about to take place in two places at once. Concurrent loud whines signaled that both sets of churning cum tanks had pulled up to the crotches of their owners, where a thick, creamy deluge of cum had begun to shoot from the tips of their dicks.

Isaac was getting flooded from both ends, but he was ready and willing to take it all and not let a single drop hit the ground. Well, he was referring to the foxes' cum, not his own. His shaft had followed suit like the world's most erotic chain reaction, emptying his large balls onto the carpeted floor. He wasn't worried about it at all as this was a common occurrence in the house, meaning that the fratmates had developed a quick way to clean it up before the mess got too great to handle.

Terry's geysering was happening at a steady clip, blasting off rope after sticky rope of foxbatter down the gullet of the yak. The younger man took it like a champ too, guzzling down every shot without taking a breather. He couldn't help but feel proud at how far the sophomore had come.

Jerry was firing off his loads like a pressure washer, absolutely painting the inside of that tight anal cavity a pearlescent white. The fennec was panting like a fiend as he was milked for everything that he was worth, but ultimately satisfied that it was happening.

Isaac stayed there and took it from both ends for what felt like an eternity before he could feel both flows start to trickle. Not one to deviate from what the others were doing, his balls, too, had completely drained and his prick went limp after exertion. Alright, this was exactly what he needed after today's exam.

Both brothers carefully pulled their shafts free from the brown-furred yak's orifices, sighs of contentment leaving their mouths. This might've been the best fuck that the pair of them had had in a long time. They were gonna remember this one.

Now getting the feeling back in his limbs, Isaac shifted around until he was laying back against the bench of the sofa. The twins took it upon themselves to snuggle up to the beefcake bovine, each one curling up under an arm. Every one of them laid there in bliss, happy to stay there for as long as they wanted to.

“We're really gonna miss you when we graduate later this school year." Terry stated, a hint of sadness in his voice.

“Yeah," Jerry agreed, nuzzling his snout into the yak's musky armpit, “it'll be different not having you guys around."

Isaac felt his heart melt at seeing these two behemoths get so emotional. “Well, that just means that we've gotta spend what little time we have left together."

That got Terry to perk up. “You know, if you ever wanna join the chess club we'd be more than happy to have you onboard."

Jerry pushed himself up by his hands, not caring about the mess on the carpet. “Yeah, as co-presidents we can guarantee you'll get to play." His expression changed to one of frustration as his gaze lingered to the side. “I still wish that I knew why we're hemorrhaging members so much."

“Maybe if someone wasn't so boisterous and loud when they won then everyone wouldn't be getting scared away." Terry shot his brother a narrowed glance.

“At least I don't keep trying to make Bongcloud work." Jerry shot back.

Terry's blood was really boiling now. He quickly got to his feet in an effort to be standing overtop of his twin. “Hey, the Bongcloud Attack is a totally legal move, and it legitimately works." He snorted in dissatisfaction. “Go jerk off to En passant already."

“At least that move isn't an insult to chess." Jerry rose to his feet, now matching the other fennec fox.

Isaac sat there in total confusion as to how a fight could've possibly broken out immediately after sex, but he wasn't going to be sticking around to see it play out. The pair of seniors were already seething and grappling each other as he slipped out from under them, quickly and quietly making his way out of the room. On one hand he really should be cleaning the mess that he made on the floor, but on the other he really didn't want to get in the middle of the inevitable scuffle. He'd give it ten minutes before he'd go back down there and check to see if things had died down enough to do his work.

If they hadn't, then he might have to utilize his diplomacy skills to get the twins to settle a bit. They both did like emptying their balls, after all.

***

It was amazing seeing how all the different rooms in their department's wing of the school had been renovated to have wider doorways – a testament to the growing population of their program. They never used to be like that when Isaac still attended the school, and he remembered how often he'd see someone, either a student or professor, struggle to make it through as they had far outgrown the relatively puny entryways that they were forced to have. It was a good thing then that the problem was taken care of when he mentioned it to his coordinator.

He could still recall which subjects he was taught in each of the classrooms that he passed. The lecture halls held a lot of the first year courses like the introductions to biology, chemistry, and mathematics as they desperately needed the space to accommodate everyone; the classroom by the washrooms had a lot of the social sciences taught within like anthropology, sociology, and history; while the classroom by the extensive weight room was where he learned all the toughest courses like biochemistry, molecular biology, and anatomy. God, anatomy… He sighed in frustration upon being reminded of that class. The hulking stud struggled with that one quite a bit.

***

Isaac groaned aloud as he reclined in his reinforced bed where he was studying for his anatomy midterm, having a rough go of things. He let his head hit the fluffy pillow and just laid there, staring at the ceiling. He'd been at this for a couple hours now and felt no nearer to memorizing the muscle groups that he knew were going to be on the test.

The junior's gigantic chest heaved up and down with every inhale and exhale that he took, stretching his XXL-sized T-shirt to its limit every time. Every single pair that he owned was already on the verge of ripping at the hem of the sleeves due to the sheer amount of bulk packed into his titanic arms. Basically anytime that he moved, the fabric threatened to give way and shred itself rather than having to deal with straining itself around biceps as large as his head.

The pants that the brown-furred bovine wore were no better either as his quads had swollen up so much that even the stretchiest of sweat pants cried out when having to clothe them. Were there even clothes made for people his size? The obvious answer was 'no', but with how much more prevalent muscle hulks were these days there might be a slim chance that someone had taken the call to action and filled this niche.

Isaac pinched the handle of his glasses and placed them safely on the night side table to his right before forcefully rubbing his face with his hands. He'd been staring at the same diagrams for so long that his eyes were glazing over, and he couldn't concentrate properly anymore.

School wasn't the only thing that had been giving him stress lately either. Twice now he had to move his bed further from the wall than it was before because his horns had grown quite a bit in such a short amount of time that they had started leaving marks on the wall, and he wasn't the biggest fan of doing repairs to the damage that he caused. All of this happening at the same time led him to not want to do anything other than sleep until all this was over.

It was just then that he heard a series of thumping footfalls make their way up the stairs to his room – a telltale sign that someone wanted to talk with him. The person this time was Mark, who'd grabbed hold of the banister with such great speed that he was able to use it to slide himself across the wooden floor to the yak's room.

Mark, like his bovine buddy, had grown significantly over the last two years. No more did he sport any of the chub that he did when he first started the program, he was now far leaner even though his diet hadn't changed a whole lot. There might've been one point where that would've made him look like a traditional bodybuilder, but those days were far behind him as he now possessed enough bulk on his stocky frame to make any regular competitor look like a twink in comparison.

The sudden noise alerted Isaac to his unexpected guest and looked up to see who it was. “Oh, hi Mark." He greeted the tabby-furred cat.

“Hey dude, we busted out the joysticks downstairs for a fighting game tourney. You want in?" He asked the bovine beefcake laying on the bed. Right away he noticed his friend's hair being held back with the help of a hairband, having previously tried keeping it secure in a bun and a ponytail and hating both options.

Isaac sighed in frustration as he let his head fall back onto his pillow, his strained traps indicating the tension flowing through his body. “Can't. I have this exam coming up and I'm struggling to remember everything we went over in class."

Mark rubbed his chin in thought. “Have you tried coming up with a phrase or something to help you remember what you need to?"

“Man, I've come up with so many different mnemonics to try to get this stuff to stick, and nothing seemed to do the trick in the slightest." He sat up on the edge of his bed, holding the tablet that he'd been using to study with. “I'll show you what I mean if you come here."

Mark made his way over to the yak and took a spot next to him, trying his best not to brush up against his fratmate too much. “Alright, what are you having problems with?"

“Okay, so here." Isaac enlarged the screen using his index finger and thumb. The image that he was looking at was one of a hypermuscular figure with extraordinarily exaggerated muscles all over its swollen body. The figure's arm was what was zoomed in on, with spots to label every single one of the muscles present there. “I'm doing okay on other groups of muscles, but for some reason I'm having a hell of a time with the arms."

“With what specifically?" Mark leaned over to see the screen of the tablet, his own traps flexing from the motion.

“Just remembering all the muscles that are there." Isaac grabbed his glasses off the night stand and put them back on. “Biceps and triceps are easy enough, but the other two give me some grief. I can recall the brachialis most of the time, but the coracobrachialis muscle is what trips me up. It should come to me no problem considering that it's similar to the other one, but yet it doesn't."

Mark hummed as he drummed his fingers on his rippling thigh. “But when you look over them, don't you remember what they're called and where they're located?"

“I do, but then I'll let them be for a bit a go look at something else, then come back to them to see if I still remember and – lo and behold – I've forgotten again." Isaac let out an exasperated sigh. “I'm fairly certain that I'll still pass the midterm since I know enough about the rest of the body, but I wanna do better than just passing, you know?"

“I hear ya." Mark looked over to the bovine and sighed sympathetically, knowing that he'd been cooped up in his room all day fretting over this test. Sweat had started matting that coarse fur due to the stress that he'd been putting on himself. He wanted to help his friend out, but it was hard when he was so pent up with energy. Maybe the trick to helping his fratmate was to relieve that stress, and he knew just how to do that. “I think I know what might help you right now."

“Oh?" Isaac quirked a brow. “You've thought of a way to help me remember this stuff?"

Mark simply shook his head. “Eh, not really, no. Let's just put this to the side for now." He took the tablet away and placed it onto the night side table. “Now lay back on your bed for me, please."

This struck Isaac as particularly odd. He was under the assumption that the cat hulk was going to give him some advice or something to get him mentally in the zone for studying, but now he knew that the aid that he'd be getting would be more physical in nature. “What are you doing?"

“You are so goddamn anxious about this test that nothing you're doing is gonna stay with you no matter how much you look at your notes." Mark sighed, palming his face with his hand. The straps on his muscle shirt didn't entirely touch his pelt due to the sheer amount of muscle stuffed into both his traps and pectorals. “What you need is to alleviate all the tension you've got bundled up inside you, and I aim to help with that."

“So, what's your plan then?" Isaac felt that the question was rhetorical as he had an inkling of what the feline wanted to do.

With a swiftness granted to cats everywhere, Mark had hooked his fingers underneath the elastic waistband of the sweat pants. “Allow me." He yanked them down to the brown-furred yak's ankles before locking his eyes on the now revealed thick log of bovid fuckmeat nestled between those pillar-like thighs. He had to smirk as heady, masculine musk immediately radiated from the virile cock and balls on display. “I can tell that someone has been neglecting themselves for quite some time now."

Isaac grunted, knowing that he'd been wanting to masturbate for some time now but was just too busy with school. “Erf, I've had other things that needed to be taken care of first."

“Oh please, this won't take up that much time." Mark reached forward and grabbed a hold of that monolithic schlong with one hand, instantly feeling it stiffen up to full mast without even putting in an ounce of effort. “Oh yeah, you're definitely almost ready to blow here."

Isaac sucked in lungfuls of air through gritted teeth as his friend's groping stimulated his sensitive cock. The electric tingle coming from his endowment made him realize that perhaps he had been putting this off for a bit too long now. “Shit, okay! Just do what you gotta then."

Mark simply nodded before moving in closer, his eyes trained on that girthy pole. The hungry look in his eyes expressed that he wasn't merely content with stroking the bovine to climax; oh no, he wanted to have a much more intimate experience with his fratmate. He teased the hairy man by running a finger up the length of that shaft along the cumpipe, getting rewarded with several rivulets of pre drenching his digit. It made him smirk – this was going to be all too easy.

“Goddamn it!" Isaac huffed, feeling very hot despite barely being in any clothes. “Just go already!"

“Gladly." Mark purred. He brought his face in close and inhaled the potent aroma wafting off the fat cockflesh, moaning from the masculine scent imprinting onto the olfactory part of his brain. He grabbed a hold of that member and gripped it tightly, feeling the veins that had snaked down it throb in sync with his friend's heartbeat. Delicately, he stuck his tongue out and licked all over the mushroom head, lapping up all the precum that was pouring out of the tip. His powerlifting professor did mention that he'd been lacking a ton of protein in his diet, so why not make up for that now?

Unable to take the heat anymore, Isaac pulled the shirt that he was wearing over his head and chucked it onto the floor unceremoniously. His pectorals were rising and falling with every panting breath that he took, the valley between them totally matted with musky sweat. He could just barely smell his own scent from his hairy chest, and it drove him wild.

Channeling all the experience that he'd gained from living here the past couple of years, Mark opened his mouth as far as he could to take in that titanic tool, his tongue slathering the underside. It took him little difficulty deepthroating that delicious prick on account of all the times that he'd done it in the past to the various members of this fraternity. Everyone living there got good at it – you had to help your fratmates out when they needed it.

Isaac felt like he was living on cloud nine right now, his tongue lolling out of his mouth as his tabby-furred friend worked over his phallus. His hands felt like they needed something to do, so they uncontrollably found their way over to his fat nipples and gave them a little squeeze. A loud moan escaped from his throat every time that he tugged on his nips. Why he hadn't thought of doing this way sooner, he might just never know.

Mark was now bobbing up and down the turgid crotch rocket at a fairly rapid pace. He was so skilled with his mouth, in fact, that he could harmonize his breathing with how much of that yakhood was in his mouth, making choking an utter impossibility for him. It was getting massaged over and over again by the velvety insides of his oral cavity, pulsing much quicker every time that his nose met musky pubes. He was incredibly determined to get the bovine off as quickly as he possibly could.

Twisting his bottle-cap-sized nips turned to full on fondling his pecs for Isaac, his arms bulging with raw strength from the ecstasy coursing through his veins. He was lucky that he took his shirt off when he did or else it'd be a pile of tatters right now. Release was inevitable now, his prostate was trembling the more that time went on. His pendulous cum tanks churned with so much yakbatter until they could hold no more and pulled up to his pelvis, unleashing everything contained within.

This was the moment that Mark had been waiting for. He instantaneously pushed his snout as far down that shaft as it could go and clamped his lips as hard as he could, guaranteeing that not a single drop of seed could escape. It took no time at all for the floodgates to open and for him to be rewarded with his sticky prize. He guzzled down the deluge of jizz with aplomb, his Adam's apple bobbing like he did just mere moments ago. Load after sticky load was shot directly down his gullet, but he was practically a professional at this point and could handle it no problem. What he wasn't anticipating was that the sheer amount of virile cum being blasted into him was making his abs distend outwards, but he could work all that off later.

Isaac cried out more than he had in ages as his balls were summarily getting drained by his friend. His cumpipe protruded from having to transport the untold litres of seed into the cat, but he could tell that it was coming to an end. It may have only lasted a few moments, but he'd orgasmed harder than he had for quite a while. Welp, the cat was totally correct – he felt way better now!

Once he was confident that the flow had stopped completely, Mark let go of his viselike grip of that dick and leaned back on the bed on his knees, letting out a massive sigh of relief that he could now breathe normally again. The aftermath of the bout of fellatio was apparently obvious to anyone that had working eyes – he possessed a gut from the biggest nut that he'd taken this school year so far. But it was over now, which meant that the brown-furred bovine would have calmed down a ton. Maybe he'd want to spend some time with the others… “What do you say, wanna play some games?"

***

One thing that Isaac had remembered from that year was that he wanted to make a bit of extra money due to having the desire to upgrade his computer, but all the components weren't as cheap as they once were because of insane markup prices. This meant that he needed to find a way to make a bit of cash on the side. He looked around and tried to figure out what his options were, only to hear from Dr. Nazaryan that the program could always use a tutor for the students in the lower years.

He immediately applied for the position and got in solely on his performance thus far, though his delightful personality certainly didn't hurt his chances any. He'd found that he actually really enjoyed helping the earlier years with their work, feeling pure joy when the material finally clicked for these younger guys. It honestly went way better than I ever could've expected. He'd taught a lot of students over the course of his academic career, but he always remembered his first the most.

***

He was in the correct building, right? Isaac had only just been accepted as a tutor for his program before he got called to help one of the sophomores with their work. That wasn't an issue at all – he loved the idea of aiding his fellow Barbarian! What was a problem was that his first pupil didn't live in the fraternity like he did, and instead lived off campus in one of the nearby apartment complexes. It wasn't that this guy didn't want to live there, it was just that he was really shy.

“Aha!" Finally, he found the right place. He knocked a few times on the door and just stood there, waiting. His ears picked up the telltale sounds of someone expecting him to be there – a muffled shout that he was coming and the plodding footsteps as he ran to the door.

The tumbler of the lock had been turned which let the door swing wide open with ease, revealing a lanky, if pretty buff, lemur. “Hey, you're Isaac, right?" His eyes lit up when he saw the bovine.

“That's me!" Isaac beamed, noticing that the primate was fairly close in height to him. “May I come in?"

“Yes, of course!" The ring-tailed lemur stepped aside so that the hirsute yak could make his way through the tight doorway. “I'm Sam, by the way."

“Nice to meet you, Sam!" Isaac set down the backpack that he came with on the floor before turning to get a good look at the lemur. The younger man had certainly put on quite a bit of bulk, if the picture of a gangly-looking primate behind him was anything to go off of. “Should we just get started then?"

Sam nodded. “Yeah, let's. You can have a seat over there." He pointed over to a cheap, but very well maintained, couch.

Isaac did just that and plopped his dimpled glutes right onto one of the cushions, immediately sinking into the sofa. It was just his luck that none of them were completely filled with fluff and had no structure to them.

After making sure that the door was properly closed, Sam sat down in the spot right beside the brown-furred bovine, though not sinking nearly as deep. “Thank you for coming all the way here, by the way. I hope it wasn't too hard to find me."

“Oh yeah, it's no problem at all." Isaac warmly smiled at the lemur. “So what is it exactly that you need help with? I know that you second-years have a higher level chemistry class this semester, and I know how brutal that one is." He sighed in reserved contemplation. “I got to see a lot of grown men shed tears of frustration during that course."

“Oh, uh… no, actually. I'm doing pretty well in that class." Sam rubbed the back of his burgeoning neck. “It's something else entirely."

Isaac looked up at the ceiling with his eyes narrowed, trying to think of what else he took last year. “Uh, so history then? That one can be fairly tough to manage too."

“N-No, it's not that either…" Sam gulped before blushing a deep crimson, purposefully not making eye contact with the older man.

That just got Isaac to raise a brow in suspicion. “Why don't you go ahead and tell me then."

“I-It's, um…" Sam stammered, his limbs fidgeting under the sudden pressure. It looked like he was about to break down had he not taken a deep breath. “It's not actually school related…"

“I'm sorry?" Isaac was caught off guard, blinking his eyes a few times in confusion. “So, if what you need help with doesn't have anything to do with the program, then why do you need me?"

Sam's blush only intensified as more stress was piled on. He instinctively went to hide his face in his hands, curling his torso a bit to hide himself. “I just… I-" He panicked before blurting it out. “It's about a guy!"

Suddenly everything made sense to Isaac. He, too, was once this way around the other guys living at the fraternity, and that feeling only really vanished once he participated more in the various activities that they did and got to know them better. “Hey, it's okay." He gently whispered, carefully rubbing the gray-furred lemur's back. He could sense how the polo shirt was beginning to feel snug on that formerly beanpole frame. “That's fine, really. We all have to start from somewhere, so it makes sense to learn from someone that knows what they're doing."

Sam looked up, tears in the corner of his eyes. “Y-You're not upset?"

Isaac could only laugh in response, the sound booming throughout the apartment. “Of course not! Believe me, you couldn't have asked for a better tutor." He pulled the primate in close to emphasize how open he was with this before letting go just as quickly. “Now, tell me who you're crushing on."

That specific word choice got Sam even more jittery, hiding his nervous smile with a hand. “There's this guy in my year that I had made friends with when we were both starting out as freshmen. His name is Zach."

It was like the lights went off in Isaac's head – he knew immediately who the gray-furred lemur was referring to. “Oh, you mean the peacock."

“Yeah, that's him!" Sam perked up a bit, his grin noticeable. “We've just… gotten kinda close recently."

Isaac nodded along. “I've talked with him a few times. He's a pretty cool guy, really into making music."

Sam tried, and failed, to stifle a giggle. “Yeah, he talks about it all the time." His expression soon turned a tad despondent, however. “The problem is that he's really good with people when I'm not, so he's already fooled around with a couple guys and kinda knows what he's doing…" He looked up at the bovine, his anxiety palpable. “And I have no clue what I'm doing with someone else!"

“Well, that's where I can help you. I live with some of the guys that all take that program, both younger and older than me, and I can tell you that no one – I repeat – no one knows what they're doing right off the bat." He placed his hand on the other man's shoulder. “That includes Zach. Believe me, he was incredibly nervous the first time that he asked me to simply undress in front of him."

If they could've, Sam's eyes would've bugged completely out of his skull. “O-Oh right," he mumbled to himself, “he lives at the frat…" His gaze dropped to the floor, his look now much more miserable. “He's so far ahead of me now."

“Nah, this isn't a race." Isaac dismissed the thought with a wave of his hand. “And even if it was, Zach isn't even that far ahead of you. He still gets hesitant when he asks one of us older guys if we can please help get him off. He's still got a ton of learning ahead of him, don't worry."

Sam mulled the bovine's words over in his head. “Well okay, I guess. If you think that it's not a big deal, then I suppose that I should stop worrying about it."

“That's exactly it." Isaac warmly smiled at the younger man. “So, whereabouts are you comfortable then? Do we have to start all the way at the bottom with handjobs?"

“Uh," Sam looked down at the space between his feet, a little embarrassed about the topic at hand, “to be honest, I think I'm actually okay with that. I've handled my own dick enough that I'm fairly certain I know what I'm doing."

“Okay then." Isaac went over the mental checklist that he'd hastily prepared, thinking of what should reasonably come after that. “So, what about blowjobs then?"

Sam squirmed when he heard the word. “Yeah, that's probably where I need help right now."

“Okay, then we'll start there!" Isaac very nearly went to pull his sweats off before recognizing how rude that would be to his primate host. “Um, where should we do this?"

“I think right here is best, actually." Sam shrugged. “My room's got carpet covering the floor, so I think it'd be way harder to clean that up than hardwood."

“Alright, let the lesson begin." Isaac reached down to free himself of his pants, only to see the ring-tailed lemur's hand jut out.

Sam blushed profusely, not used to being so forward. “Uh, do you mind if I do the honours?"

“Not at all!" Isaac leaned back, content to let the primate take the lead. Now, the outline of his sizable bulge was incredibly visible through the fabric as it was lovingly contoured around it, but even then that didn't accurately exhibit just how big he really was, as the other man was about to find out.

It took no time at all for Sam to hook his fingers around the band of the sweat pants, only taking a bit of finagling to get it down and around the brown-furred yak's sumptuous lower body. That's when he saw just how packed that black speedo was. “Oh fuck!" He nearly recoiled in shock, but pressed on further, freeing the enormous meat log from its prison. That manhood nearly smacked him upside the head had he not moved away in time. “That thing's massive, I'll never be able to take all that!" He sat there in awe of what was the largest cock that he'd ever seen in his life.

Isaac grinned, remembering his first time with one of the seniors and how gigantic that dong was at the time. Now though? He might be pretty close to that size, if not surpassing it entirely. “I don't expect you to take the whole thing on your first time." He shifted himself slightly so as to take off both garments completely. “All you need to do is to just do your best, no matter what that is."

Sam nodded, feeling determined for the first time that afternoon. “Okay, I can do this." To be perfectly honest, seeing that titanic yakhood right in front of his face was incredibly intimidating to him, but he knew that he was never going to get better if he didn't even give it a shot. The first thing that he did was something that he remembered from some of the porn videos that he saw, which was to make sure that the prick that he was about to go down on was properly lubricated. That could've easily been done by letting the preseed drooling from the tip totally coat the shaft in its entirety, but one taste of the slimy ooze had him licking it completely clean.

“Good, good. Just like that." Isaac grunted, the stimulation already getting to him. He had a niggling thought in the back of his head this morning that he should jerk off before coming here, but he had pushed it to the back of his mind. Now he was more pent up than he'd like to be for something like this, but it would all have to do.

Sam slavered over the throbbing pillar with fervor, moaning in delight as he savoured the taste of the cockflesh. He decided then that it was time. His breathing increasing due to his nerves getting the better of him, he trailed his tongue up the cumpipe until he got to the top of the head, then attempted to get his mouth around it. Surprisingly to him, he did it! The only thing left to do now was to shove the rest of it down, though he didn't exactly know how so he tried forcing it down. His struggles drew the attention of the older man, who'd pushed him off of that godly schlong with a fair amount of force.

“Woah, slow your roll there." Isaac locked eyes with the panting lemur, knowing exactly how this would've ended up. “If you keep going the way that you are, you're liable to choke. What you wanna do is take several deep breaths in order to relax your throat muscles, then you wanna let some precum ball up inside your mouth, and then down the guy's dick then you swallow." He believed that doing something slowly, but correctly, was far more of a benefit to someone than doing it quickly and wrong. “It's one fluid motion. Do it right and you'll barely feel a thing."

“Okay." Sam huffed, his eyes trained on that bovine fuckmeat. Again, he lunged forward and took it in his mouth, this time listening to his tutor and following along with the instructions given. Remarkably – to him, at least – the advice worked! Sure, he didn't have the entire thing down his throat, but to have at least gotten this far was already leaps and bounds ahead of where he was yesterday. Now it was time to see if he could do what came next.

The lemur was an incredibly fast learner, Isaac thought, seeing the younger man effortlessly glide up and down his shaft. His nervous system was registering every single little thing happening to his crotch rocket and sent all those signals directly to the pleasure centre of his brain. He snorted as the pleasure ramped up throughout his body, inadvertently making him fondle himself. His hands found purchase on his massive pectorals as his tight A-shirt rode up his torso.

Sam was doing everything that he thought that he had to do in order to impress the bovine above him. Whatever part of that pole that he couldn't wrap his lips around he gripped in his hands instead, stroking it in tandem with the bobbing motion that his mouth was doing. The whole thing was exhilarating to him as he'd never even thought to try taking someone this big before, and yet he was far surpassing his initial expectations.

Isaac could only gasp as his overly sensitive rod was being attacked from every angle, though he wasn't about to let this stop just yet in spite of how horny he was. He could feel the pressure mounting in his prostate already, but he'd been practicing edging himself over the last half of the year so he was ready to try and hold on as long as he could. That was easier said than done, however, as the gray-furred primate was giving it everything that he'd got.

Sam grew ferocious in his oral onslaught, breathing entirely through his nose with ease like he'd been doing this for years already. He wanted to thrill people with the skills he was currently acquiring, not only the yak with whom he was sucking off zealously, but Zach as well. That was his end goal with this – to fully win over the peacock. He'd begun imagining that he was servicing the bird, making him aggressively more aroused and relentless in his actions.

That wasn't lost on Isaac, who felt like he was about to lose it. A few low, loud moans escaped his throat as the pencil-thick veins on his cock throbbed with need. His breathing faltered, becoming staccato panting gasps that indicated that climax was fast approaching. His hands had clutched onto his fat nips and twisted in an attempt to get himself off faster. He was done trying to keep it all in – it was time to let the dam burst.

Sam's eyes grew wide as the deluge began to shoot from the cock in his mouth, almost overwhelming him had he not started gulping down all that cum the second that he sensed it. This right here was the ultimate test as to whether or not he'd be ready, though he kind of thought that he wouldn't be too hard on himself if there was a mess made as he was guzzling down more jism in one session than he produced in a week!

Shot after shot after shot of creamy yakbatter was unloaded straight into the lemur's throat and down his hungry gullet. His pendulous orbs had brewed up a particularly heavy load of spunk and were looking to get rid of all of it as fast as possible. He, of course, had no issue with that as he'd done that countless times already, but this was legitimately the smaller man's first time, and he didn't want to hurt the guy in any way. While a bit difficult in his current position, he'd try to keep an eye out.

Sam was beginning to slow down his swallowing as his stomach capacity was getting filled up far faster than he'd thought it would. Everything else was good, but his gulps were falling out of sync with how fast his mouth was filling up. He had to tap out.

Isaac almost didn't notice the lemur hop off his junk, but the unceremonious thud from the sophomore hitting the floor clued him in. That didn't stop him from firing off a few more bucketloads of musky cum, of course, which was now painting the younger man's face like the world's sexiest canvas. Even though his pupil had his mouth open, and tongue extended, he still wasn't ingesting most of what was getting shot at him. Good thing then that his flow was slowing to a trickle.

The only thing that Sam could do at that moment was sit there leaning back on his hands, panting aloud as seed dripped down off of his face. Bar none, that was the hardest orgasm that he'd ever been a part of, but now that he had experience in the matter, he hoped that it was the first of many. It took him a few moments and several blinks in order to get his bearings, after which the first thing that he did was wipe down the rest of the ballbatter that was matting his facial fur.

Isaac, too, needed a hot minute to regain his composure. If this was what this job was going to be like, then he was going to need to make sure that he'd blown a load before visiting the next guy. “So," he looked down at the messy primate, “do you think you understand it now?"

“Fuck, man, is that normal for you?" Sam sputtered, his tongue lolling out of his mouth.

“Normal for me and the other guys in the program." Isaac stated matter-of-factly.

Sam could only chuckle after hearing that. “Well shit, maybe I'm doing myself a disservice by not living there then." This was definitely something that he needed to have happen to him – he felt a lot more confident in himself than he did previously.

Isaac then noticed the sizable tent that had formed in the primate's baggy basketball shorts. “Oh, do you want me to get you off next?" It was an unwritten rule for him that he should help the other person relieve their tension unless told otherwise.

“I can take care of that myself, don't worry." Sam grinned, still proud of all his progress that day. It was only then that a question swirled into existence in his brain, bringing about the nervousness that he had displayed before the brown-furred bovine got to his place. He gulped. “Hey, uh… do you wanna do this same time next week?"

***

Isaac fondly looked back on his time as a tutor, successfully helping everyone that asked him to aid them in both schoolwork as well as more intimate affairs. He noticed that the skill level of his pupils had increased both inside and out of the classroom, pleasing him greatly. The future of his program looked very bright after that.

His senior year was much of the same, though his courses were, naturally, getting a lot tougher. But that didn't matter because he was getting more accustomed to juggling his schoolwork and personal life, as were the other guys in the frat. Speaking of which, his fratmates gave him the biggest surprise that year that he couldn't have possibly expected. Heh, those guys got me good. I would've never have guessed what they'd planned.

***

Another day of classes, another lab report handed in. Isaac was happy to finally be back home where he could unwind with some videos from his favourite creators while finishing up a take-home chemistry assignment. The thought of what was for dinner also popped into his head. He knew that Barry had gotten groceries recently, but the beaver still ate like a trashcan and populated the fridge and pantry with a lot of overly processed foods. It was better than nothing, but still.

That could all wait for another hour or so. Right now, Isaac wanted nothing more than to just lay down on his newly purchased bed – that could actually hold up his six hundred pounds, unlike the one he slept on before – and relax for a bit after such a stressful set of classes.

He wasn't going to be so lucky, however, as the voice of Bryce suddenly interrupted his relief. “Yo Isaac, come on down for a moment. We wanna talk to you."

Isaac immediately sat up, though he was incredibly confused. Who was the 'we' that the polar bear was referring to? Figuring that he might as well find out, he pushed himself off of the comforter with his strong hands and went to walk down the stairs. What he saw when he entered the living room confused him, as he wasn't expecting to see everyone out of their rooms and gathered together all at once.

On the biggest couch were the other seniors – Bryce, Barry, and Mark. Compared to how they looked when they all first joined the fraternity, it was like night and day. Every single one of them had dropped whatever excess chub that their bodies didn't require and instead replaced it all with hundreds of pounds of densely packed muscle mass. Barry's pectorals and arms were impressively packed and gave him an aura of power that very few others could match, while a lot of Bryce's strength concentrated into his wide trunk, providing him with a solid tortoise shell of an abgut. Mark wasn't nearly as big as the other two, but he felt that he didn't need to be as he still kept quite a bit of his cute kitty charm. Adding in Isaac meant that the four of them were some of the biggest seniors that the professors ever had the pleasure to teach, and they easily towered over the younger students.

On the sofa to their left were the juniors who lived with them. Sam had joined the fraternity following the end of his final sophomore semester. Since then he'd blown up considerably, looking like he'd never been the gangly beanpole that was nervous about everything. Beside him was Zach, who spread out his brilliant tail feathers to indicate when he was in the mood to get down with someone. He was a veritable beefcake of an avian, though, that wasn't to say anything negative about the Eurasian eagle-owl next to him. Paul's plumage might not have been nearly as showy as what the peacock's was, but he didn't need people looking at his feathers when his burly arms were much more impressive. Then there was Jeremy on the far end, a black-furred goat who was usually found sleeping quite a bit in his free time. There was a reason for this, of course, as he'd normally spend a lot of time in the gym working out, as was evident on his thick frame.

Then there were the sophomores, who had taken their place on the newest couch in the living room. Adrian, a Least weasel, might have been one of the shorter guys in his year, but he was more than making up for it by ending up as one of the widest guys as well. That was a fairly similar story to the koala sitting next to him, Victor. He'd been naturally stocky his entire life, so it came as no shock to anyone that he'd blow up with muscle the second that he was required to start lifting weights. Kamau, a lion, was beside him with his brawny arms resting along the top, though one was currently draped over the shoulders of Balam, a jaguar. The pair of them had been pretty inseparable since meeting each other on the first day of living at the frat, doing everything together – eating, studying, lifting, even preferring to make out with one another over everyone else that lived with them.

Lastly, there were the freshmen, who had been huddled around the loveseat. On one of the cushions was Raymond, a coyote. Truth be told, he was pretty nervous about being in a program with such huge men, but his love of biology was helping him excel through his classes and putting him at ease with his choice of degree. Then there was Hiroshi, a Shiba Inu who was in much the same boat as Ray. The major difference between the two canines was that Hiro was a lot more comfortable with bigger guys, even nudging up to them with his curled tail as a way to tease them. Beside him was Timoti, a pudgy kiwi. Tim sort of looked out of place in contrast to some of the other students, but he had been the only one in his year who had done any weight training prior to enrolling in the program and was far stronger than he looked. Finally, there was Eugene – a Siberian tiger, and massive soju aficionado. He was pretty timid in spite of his species, but Kamau and Balam had taken a special liking to him and were working on bringing him out of his shell.

Isaac looked around the room at all of his fratmates, his eyebrow cocked though no one else could see it due to his hair nearly covering his eyes. Everyone else had their eyes trained on them, though occasionally some of their gazes would drop to his massive, hairy chest. “What's going on?"

Barry looked to the other two beside him before clearing his throat. “Well, you know how we're seniors now?"

“Yes?" Isaac wasn't sure what the humongous rodent could possibly be getting at.

“It's just that, since the last set of seniors graduated earlier in the year, we're now without someone to preside over our fraternity." Barry nodded.

“Yeah." Mark added. “We all kinda talked about it for a bit during times that you weren't here, and we wanted to bestow that honour onto you!"

Everyone had an excited look on their face, save for Isaac who looked like he had unexpectedly been given the world. “Are… Are you guys actually serious about this?"

“Dude, the profs keep going on about how you're one of the best students that's ever taken the program." Bryce chortled. “If there's anyone who would be qualified enough to be in charge of the rest of us, it'd be you, man."

Isaac could only stand there with a hand covering his mouth in astonishment. He couldn't believe that the others had discussed this for the weeks since this semester had started without him even finding out about it until now! He was flabbergasted – he didn't know what to say. The only things that came out of his mouth were the first things that popped into his head. “Thank you all so much!" He failed to contain the genuine smile that was creeping along his face. “I'm speechless, really."

“You deserve it, man!" Sam cheered, pumping his meaty arm in the air in a show of support.

Tim nodded along. “Yeah, all the older guys have said how they always go to you if they need help with something, so I think it only makes sense."

“Well, I humbly accept your nomination." Isaac placed his hand on top of one of his meaty pecs and bowed, giving everyone a show of his tremendous traps. “Should we celebrate then? This is kind of a big deal."

Bryce stood up and slung his thick arm over the yak's boulder shoulders. “Yeah, we got some things planned for the day. Kinda thinking that we'd order some pizzas and maybe watch a movie, after that we'd a video game tournament for sure since I know how much you like those, and then what I thought of was-"

“And Jeremy is naked again." Vic sighed, palming his face with one hand while sighing.

Jeremy looked around the room with his navy blue speedo in his hand, his shaft as hard as diamond. “Were we not getting our dicks out?"

Zach could only laugh at the situation. “I mean, eventually, yeah."

Mark rested his elbow on the couch armrest, his chin resting on his hand as he looked at the polar bear hulk. “So much for our plans, huh?" He wryly smirked.

“Uh," Bryce looked a bit frazzled, “we can just shuffle some things around. Nothing was really concrete anyway."

Raymond glanced around the room, noting how all the older men were currently in various states of undress, though they all had the same goal in mind. “Oh jeez, I guess this is really happening then."

“Awesome!" Hiro loudly laughed, fists closed in front of him. “I didn't think that we'd get to do this until I was a senior!"

“D-Do we all participate in this?" Eugene gulped, nervously adjusting his glasses as he saw his hard bodied fratmates start getting more lascivious with one another.

Balam and Kamau shot each other a knowing look before getting up and heading over to the tiger. “Hey, don't worry about a thing." Kamau purred.

“Yeah man, just stick with us and you'll figure things out in no time." Balam grinned, patting the younger man on the back. Each of the sophomores grabbed the tiger's hand and led him over to Mark, for a bit of a feline get-together.

Raymond and Victor had found themselves getting the attention of Bryce, whose impressive physique enticed them to strip out of their clothes. Vic was already getting into the spirit of things by clambering onto the ursine's wide frame and huffing his hairy armpit, while Ray found his inquisitive nature getting piqued. It might have been a tad odd to an outsider that he was taking a more academic approach to getting intimate – that is, asking to feel up each muscle separately and in order of position on the body – but Bryce was more than happy to show off for the small canine.

Barry, meanwhile, had caught the eyes of Jeremy and Hiro, who made a beeline for the beaver the instant that he let his monster schlong out into the open air. The Shibe ended up getting lifted against the rodent's gargantuan frame, snout buried deep in that hairy pectoral cavity, while his plump rear rested on that massive cock. Jeremy also mashed his dick against the dog, some preseed oozing from his tip and onto the freshman's back, but Hiro was more than okay with that happening.

Some of the younger guys took it upon themselves to have fun without a senior involved. Sam and Zach were still planted on the couch that they were sitting down on before but having their girthy members on display coaxed Adrian and Tim over their way. Tim kissed up his fellow bird's meaty neck, ending with a passionate embrace between the two of them, while Adrian was busy rubbing his ass against the lemur's prick. Sam was now very experienced drilling his fratmates like a derrick looking for oil.

That just left Isaac and Paul, though neither of them minded as the owl had looked up to – and hooked up – with the brown-furred bovine many a time in the past. Paul tried to get his arms around the senior's mountainous back, but wasn't able to, though he had more than enough mass to grope where he ended up. Isaac had instead gone lower, grabbing a hold of and fondling the bird's globular ass cheeks. It elicited a groan of pleasure from Paul – an invitation to keep going.

“Ooh!" Paul groaned out as his croissant-shaped cheeks were kneaded like dough, feeling them being pulled apart with periodic frequency. He had a naturally steely gaze due to the tufts of feathers sticking out above his ears, but in moments like these his expression got flipped up onto its head with how hard arousal rocketed through his wide, avian frame. His cock was already leaking pre like the faucet of the first-floor washroom was a week ago.

Isaac's own yakhood was discharging copious amounts of precum like his cum tanks were giving it away. “I think you've more than doubled your size from last year." He whispered into the owl's ear, his voice gruff from his skyrocketing libido.

“Y-Yeah, I've been staying on top of my schoolwork, though your extra lessons helped a ton." A boisterous moan exited his mouth as the brown-furred bovine's fingers slipped past his twin boulders and drew near to his pucker. “Goddamn it…" He struggled to maintain his composure, but that was likely an impossibility with how ubiquitous the older man's musk was in front of his face. “You know what? Fuck the foreplay, I wanna just jump right into it."

The words shot through Isaac's brain, and he lunged his mouth forward, his lips meeting the avian's beak in an intense kiss. Huffs were given from both beefcakes as they mashed their sweaty bodies against the other. Their preseed production ramped up, both wanting to empty their balls on the spot. Isaac had been the one to break off the embrace just as quickly as he started it, a string of saliva connecting the pair's tongues. “Then let's do it."

Paul didn't need to be told twice, instantaneously pivoting his heels on the spot and bending over the top of the nearby couch. His hilly back was now on display, which looked like it had gotten even larger than it already was at the start of the semester. He might possess wings capable of flight, but the wingspan that he got from his extensive lats effortlessly made up for that fact. His tailfeathers were already flagged skyward in anticipation for the drilling that he was about to receive.

The meaty pillar attached to Isaac's crotch throbbed in acceptance at the owl's open invitation, sending out more pre to help with the lubrication process. Carefully, he shoved his rod between the junior's ass cheeks, with his cummy tip pressed against that delicate ring of muscle. Another moan escaping the bird's beak let him know that he was doing a good job. Using a hand, he smeared his translucent pre in and around that hole for a bit before the horniness became too much for either of them to bear, and then plunged his length right in.

The felines were all having the times of their lives together. Mark had sprawled out on the ground for maximum access to his body and was making out with Eugene, who had to take off his glasses due to the palpable excitement fogging them up too much. He was still aggressively anxious about wanting to make a good impression on all the older guys, but his fear was melting the more that the senior told him that he was doing a great job. Kamau and Balam, meanwhile, had been lashing their broad tongues all around the tabby cat's bulging frame, soaking the fur with their saliva in exchange for the masculine-tasting sweat hidden within.

Bryce had grown to be an expert in handling multiple people over the course of the four years that he'd been living at the fraternity. With one burly arm he was able to cradle Ray – who had his brain nearly short circuited with euphoria from the polar bear teasing his twitching hole with a fat finger – and used the other to hold onto Vic's protruding tids as the koala rode his prodigious endowment. The short marsupial wasn't exactly quite big enough to comfortably take the whole cubmaker just yet, but his philosophy was that he'd get a little better at it every time that he pushed himself. Bryce certainly thought that it was paying off, as the fireplug's booty eventually swallowed up his member.

Hiro wasn't anywhere near as experienced as the others by virtue of being a freshman – he knew that, and he knew that the others knew that too. Still, that didn't stop him from trying to take Barry's cock as far as he could snugly go, which was impressively halfway. Unlike the koala, however, he wasn't about to strain himself trying to go any further than that as it would genuinely hurt, and he reasoned that he still had loads of time to get accustomed to letting these behemothian men get balls deep in him. That was a lesson that Jeremy had learned over the years of bottoming for the guys above him. This time, however, he was the one plugging a senior due to Barry having hunkered over the Shibe in order to plow into his cute, shapely rear. The black-furred goat held onto the flat beaver tail while he jackhammered into the senior's anal cavity, loving how it massaged his length with every pump.

Sam and Zach's poses resembled that which one might find in a renaissance painting, with them slumped on the sofa in such a way that they could still hold onto the younger men. Adrian and Tim appreciated that as they were currently impaled on the other two's crotch rockets and were liable to pop off on account of the forceful bucking of the junior's hips. While their bowels clamped down onto their anal intruders, the pair of them had leaned forward and began making out, grabbing onto each other's faces and trying not to hit their heads against the other with every thrust that they were given.

Any tension that Paul might've felt before the orgy started had all but dissolved when he got speared by the leviathan yak. His feathers bristled with every hump into his muscled butt, feeling it go flush with the larger man's pelvis. No toy could ever possibly compare to the stretching that he was getting from a real flesh-and-blood cock, which provided ample opportunities to workout his anal muscles. His progress was most evident when he realized that he'd accidently mangled his steel dildo – his toughest one that he used when he was most horny and someone large wasn't around to take care of his needs. It certainly got a chuckle out of him, especially after hearing from a couple seniors in his first year that one needs to exercise all of their muscles if they were going to really succeed in the program.

Isaac's pectorals flexed with amorousness as adrenaline exploded throughout his body. The pleasure centre in his brain was going into overdrive with the anal thrashing he was giving the tawny-plumed junior. His pendulous testosterone factories slammed into the avian's swollen quads repeatedly, but neither of them minded, especially Isaac as the force only drove his libido higher. Pressure kept mounting in his prostate the faster that he pistoned his hips; he hoped that the owl could contain his load better than he used to.

Tongue lolling out of his mouth, Paul hollered with every thrust, the mushroom-headed dick flattening his own prostate like it was a pleasure button hardwired to his brain. Pre was practically pouring from his cock like a waterfall onto the hardwood floor below. His mind was already begging to just give up and let the burden spill forth from his loins, but he wanted to hold on for as long as possible, really edge the bovine on for as many precious seconds that he could. He had no idea how much time he had left.

Previous experience told Isaac that the clutching action that his shaft was enduring was signaling that the owl was losing steam and trying to keep his load in. He smirked – he was game to try and break the seal. Despite it now being harder to push, he still fucked the bird's tight asshole relentlessly. It was only a matter of time before the junior's willpower would break and he'd free the avian of his encumbrance. What better way to do that was by flooding his bowels?

Paul's eyes went wide as he first heard the yak behind him bellow emphatically into his ear, and second felt his guts quickly fill with creamy ballbatter. His resistance instantly shattered into a thousand pieces, sending him over the edge and causing him to cry out as well. His orbs pulled up and shot virile jizz up his cumpipe, which shot out against the back of the couch due to his cocktip being pressed right against the upholstery. It was as if he was releasing the deluge of three of his normal orgasms due to how much fluid was spilling from his endowment and onto the floor. It was a good thing that all the older guys were proficient in cleaning up their messes because, fuck, they were gonna need to call upon all the knowledge that they had after today.

Things were just about wrapping up for the cats as well, with the sophomore kitties already busting their fat nuts all over the blimped out senior's legs as well as each other. Neither of them had actually participated in an orgy before this, so they weren't accustomed to how empty their balls felt. Mark was the one who held out the longest, spurting protein-rich spunk all over his broad torso and also onto Eugene's back, who'd cum far earlier than any of the others. The tiger was utterly overwhelmed in every sense, but he was a trooper who kept up as much as he could despite the lack of sexual experience in comparison to the other three.

Vic moaned in delight as he cradled his now cum-filled gut, most likely going to work it off later and use the nutritious bearbatter as fuel for his gains. His own spurts of jism were colossal compared to what the average person could unload, but it was still meager next to what the overly jacked senior could put out. For now. Bryce, meanwhile, was busy catching his breath after draining his balls entirely into the tight rear of the sophomore and was tenderly nursing Ray back to full consciousness after the coyote blew the biggest load of his relatively young life. Luckily for the freshmen, he liked it, which was good considering that there was going to be way more of that in the coming years.

The best part of Barry, according to Jeremy, was that every part of the beaver was wide, including his gargantuan ass. It was like the titanic goat was holding onto two medicine balls, ones that milked his cum reservoir dry like it was a common occurrence for the beaver. Truth be told though, he was itching for a little action in his own rear end, so he got the idea that he'd hook up with the senior later on for a little one-on-one time. That would be after Barry recovers a bit first, of course. He'd just dumped untold litres of his spunk into the tiny Shiba Inu underneath him, but the poor dog couldn't obviously take all of it and it came pouring out of his now gaping hole, even around the fat hog stuffing it. Hiro wasn't deterred by that fact as it actually inspired him, stirring up strong emotions that had welled up inside of him. One day he would meet up with his handsome rodent again and they'd have another romp, only that time he'd be able to hold in everything that would flood his insides. And he wouldn't worry if the stud got even bigger by that point. In fact, he counted on it.

Adrian wasn't sure how he ended up nestled in Sam's strong arms, but he wasn't about to complain about it in the slightest. The weasel was in the midst of a passionate embrace that the lemur initiated, their tongues dancing around one another like someone had choreographed the whole thing. They reeked of each other's heady musk, though as a result of being the much, much larger one Sam's overpowered the mustelid's without even trying. Similar things happened with Zach and Tim, though the kiwi was nearly tuckered out from the exertion that his body had gone through. As much as he wanted to revel in their shared afterglow, he couldn't help but rest his head on the peacock's feathered chest and close his eyes a bit. Maybe someone else would've gotten upset at not being able to make out after fucking one of their fratmates, but Zach didn't mind at all. He was more than content stroking the poor freshman's head, remembering how tough it was at his age.

As for Isaac and Paul? The pair of them were leaning against one of the strong load-bearing walls, with the owl in the yak's loving grasp. “Fuck, man, I think that's the best you've laid me yet!" He couldn't sing the bovine's praises enough.

Isaac wasn't one to let compliments go to his head – he felt that doing so was incredibly unbecoming for anyone to do. Still, it was nice to let his modesty slip every once in a while and soak in all the rave reviews that his fratmates gave him. “Thanks!" He beamed, his blush showing through his shaggy fur. “You've definitely come a long way yourself." He curled a finger around the owl's head, contouring it along his jawline.

“Goddamn you." Paul laughed, feeling his own cheeks turn a rosy pink. “Well, I wouldn't be half the bird that I am now without your guidance. The things you've taught me have helped a ton."

“Hey, chemistry's tough for everyone." Isaac shrugged his boulder shoulders. “I'd help anyone who asks for it."

Paul, overcome by intense attraction to the upperclassman, kissed up along his wide neck. “Well, you certainly are a master at it."

“And you're an excellent student." Isaac leaned forward as much as he could and laid a gentle peck on the top of the bird's head. Just then, a completely unrelated thought crossed his mind. “You're still on for D&D next Saturday, right?"

“Oh yeah, of course!" Paul chuckled, his pecs bouncing a bit. “It's so hard to find a group that consistently meets these days, so I wouldn't miss this for the world."

“Good, good." Isaac nodded. “I wanted to see if any of the younger guys were interested. I wouldn't want this to die out when I leave here."

Paul mischievously smirked before smooching the bovine's lips. “Trust me, if they still aren't interested after spending an entire year with you, then they're a bunch of fools." He groped at the yak's plump pec, which acted like a trigger to get that huge member alive again. Perhaps it was time for round two.