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One's Learned Preferences

Part 3

For Dreixes

By Draconicon

Richter Hahn was unsurprised that the Ibex had little resistance to the pheromones that his body emitted. While there were some students that exhibited a lessened response to the scents that he produced, they were always of the larger species, the sorts that were too large to actually be induced by the same sort of enticements as those that were part of the small-to-mid tier species. They did not feel the same urges to give in to something larger, something more intense, and so the wiring created a different sort of response. But that was neither here nor there.

As the Ibex stripped down, showing off more and more of her body, he admitted that it was certainly going to be an interesting body to experience. She was more slender than most of the females that he had rutted in his time as a professor at UOM, and carried less in the way of curves than the typical female that came to him for this.

Then again, when they were done, she likely would carry far more.

"Class, as Fraulein Weber takes her position," he said, wheeling his chair back to give the Ibex space between his legs, "I want you to begin your own experiments. Those of you that have been active with one another doubtlessly already know the responses that the body will have when it is given that which it has been seeking, but those of you that haven't seen it yet will likely be surprised."

The young woman crawled between his legs, facing him at first, her nose almost pressing to his sac before she turned and presented her dark-furred hindquarters. They were well-rounded, though not particularly plump or full, but that would be fine. They only needed a little padding for the purposes he required. She backed up slowly, and he lifted his limp shaft from just beneath the head.

"Those that are receptive to the pheromones of desire, finding that they meet the receptors in their own minds that seek indulgence, will treat this experience as the completion of a sort of circuit. To be allowed to feel what they have been suppressing or repressing for all this time is an intense moment, something that breaks down the barriers between their unconscious desires and their conscious mind. At times, the moment can be traumatic, as it forces the conscious mind to admit the things that it has judged are the very things that it desires, while at others, it is a moment of utter validation and clarity. It depends entirely upon the individual and how they have lived their life up until that moment. Utter bliss, or complete devastation: a moment of insight, regardless."

His students were already paying as much attention to each other than they were to him, as expected. They were more interested in the pleasures that they might be able to take from the practical, things that they had only heard about since the previous semester when they had begun to realize just how much he had to teach them. This wasn't a class of matchmaking, or raw perversion, but rather a class that would help them understand their bodies and others.

And to do that, practical experience was very much necessary.

As the Ibex displayed herself, reaching back to spread her pussy lips, his shaft rose. It was a moment that would have frightened some, but he was a shower, not a grower.

"Of course, this is not mind control," Professor Richter said as one of the students yelped in obvious discomfort. "You will not find yourself able to dominate another merely because you have a large package, or a pair of breasts that are larger than normal. Such things are not possible.

"In addition to the matter of consent - for, after all, the unconscious desire must always give way to the conscious will, when they are at odds with one another - there is still the matter of biological compatibility, both in terms of species crossbreeding viability and, regardless of desire, the compatibility of size. As you can see, I am, perhaps, slightly larger than the fraulein will actually be able to take within her, but her desires are such that she wishes to try. However, if I were much larger - and, as such, putting out more pheromones than I currently am - it would shift the mental response from a feeling and direction of desire to something more fear-based, or more of seeing me as a predator, a danger, something to be avoided. Pheromones are not a means by which to rob another of free will, students, merely a secondary means of communicating with each other."

Of course, there were still obvious exceptions and moments where the conscious will was at odds with one's instincts where stupid decisions could still be made. A body might be tempted and teased beyond its means of resisting pheromonally-induced desires, pushed to want things that deep down it knew that it could not take. At such a moment, the conscious will could be overridden, much to the later regret of one or both parties.

And there were other cases where pheromones could completely alter the behavior of another through the issue of evolutionary training. For all that society had long ago left behind the danger that predators posed to prey animals, there was still a hint of that evolutionary trait that had allowed prey to detect the scents of predators at a greater distance than predators could always detect prey. Science agreed that most prey still had a fear response, regardless of how small, and the conscious mind, for all its ability to push past instinctual response, also had a marvelous way of rationalizing its way through an action that was utterly irrational. Thus were predators able to continue wielding power over prey in the modern workplace, for example, despite everyone knowing that it should no longer be acceptable.

As he stroked himself, bringing his cock to slightly past his knees - only a few inches longer than his soft state - Professor Richter took a moment to just admire the young woman on her knees before him. She was a lovely-looking young lady, in her own right, and she had a mind behind the body that would serve her well going forward. He imagined that she would have quite a few stories to tell by the end of her days in UOM, and he hoped to give her a few himself.

For the moment, however, she was his example, and she seemed more than willing to get started.

"If you would back up on my shaft, fraulein."

She did as she was told, wiggling her hips until his tip touched her folds. She was already wet, quite engorged with the prospect of the mating before her. He liked that; it spoke to a certain internal willingness that was sometimes a little lacking in other partners. Not his wife, of course - Gwyndolin was always willing, and very eager - but there was sometimes the conflict in students that thought they were ready for what he had, and really, really weren't.

He encouraged her backwards movement with a hand on her hips, pulling her closer and closer. She managed to get the head to pop past her lips and had to pause, her arms almost falling out from under her.

"As you can see, our fraulein is finding out the difference between what she wants and what she is capable of. However, she is already recovering, and - yes, very good. She is learning to take it. Pushing back, slowly swallowing up a little bit more. Accommodating, as the body knows how to do. Yes, yes, very good, fraulein, take your time. Enjoy yourself as best you can."

Certainly, the Ibex was doing that. She was not saying anything, but she was moaning as she took the inches of his shaft. It was a slow movement, something that would have taken the erection off another male that wanted to just get going, but one that Richter was long-since accustomed to. There was little other choice, really, when one had a new partner and they had a hyper-sized endowment.

As she worked her way down his shaft, reaching the halfway point and huffing and puffing as she adjusted herself, he glanced around the room again. It was not merely a room filled with students that had large cocks and females that were interested in them. Over there in the corner was a mare that had a tiny penis - a trans student that had transferred to the class - and a hippo female that was altogether interested. Musk did not come merely from phalluses, after all; the hippo's folds were putting off their own large-and-in-charge scent, keeping control of her situation over there.

In another part of the room, a pair of young men were comparing shafts. Though one was a mouse and one was an elephant, they were about equal in size between the thighs. The elephant blushed, and so did the rodent, and they continued to move about as if trying to figure out who should be taking and who should be receiving. There was a great deal of confusion there, but they were slowly moving around, slowly figuring it out as they explored one another.

And so the pairings continued in both odd and expected ways throughout the room. He had paired them up specifically to get different responses from the class, to show them that there would be different possibilities depending on who they met up with in the future. It was going to be awkward, but it was intentionally made so, done in a way that was safe enough for their purposes.

And most of all, it would shake any sort of biases that they might have picked up between the first module and this one. No need for them to carry any stupid ideas into the next class after this.

"Mmm..."

He moaned softly as the fraulein pushed herself further back, slightly past the midpoint of his cock. Her thighs rubbed the bottom of his balls, and he knew that he'd soon be forced to take a more active role in their bit of fun. Not much more, for there were limits, but something more than he already had. Richter smiled, the feline petting her down her spine as she pushed back further.

"I believe that our fraulein has found my shaft kissing the bottom of her womb. There is a technique to take this further, but there is a limit to what any size lover can take without pain. It is a matter of whether the body wishes for that pain amidst the pleasure, and - ah, yes, the fraulein is in the mood for attempting it, it seems. She is pushing so that my tip kisses against her womb."

It was a sad little thing that the size fetishists in porn so often forgot. A cock placed deep inside of the vagina was limited in how far it could go without causing deep pain, where one that went anally could go quite a bit further without causing the same sort of discomfort. It was all down to just how far someone wanted to take their sexual play, and whether the receiver was willing to assume the little risks that popped up when they were taking things further than usual.

In this case, it seemed that the good Ibex was willing to try. She was rocking her hips back and forth, not enslaved, but possessed by the pleasure of the moment and the pheromones in her head. She had come to accept what she needed, and the good fraulein wasn't leaving without his seed inside of her. He rubbed her spine, encouraging her back, helping her relax little by little until -

POP!

He could feel it, and from the way that she stiffened and shook from head to toe, she had felt it, too. The tip of his shaft had pushed past her cervix, entering her deeper places. She gasped, arching her back, her fingers curling against the floorboards on the stage. She wheezed, panted...

And dripped.

"As you can see, Fraulein Weber has chosen to push through an immense amount of discomfort. This is partially due to the overwhelming nature of the pheromones affecting her mind, but there is likely a subconscious part of her that is deeply engaged with the possibilities presented by taking something so far past her capabilities. Perhaps it is a desire for a challenge, or the need to enjoy something such as I have. Perhaps she has a fetish for my scent. Regardless, it has created a desire in the subconscious - the part of her eminently in charge right now - that will not be denied without being fed what it requires. As a result, we will move on to a more active state."

He heard a small grunt from the young woman between his legs as he pushed the wheelchair back. His cock edged an inch backwards, popping back out of her womb for a moment as he got to his feet. There was no sudden shocked gasp, of course. The other students knew that he could stand, and Fraulein Weber did not have the mental capability to entirely grasp what had happened at that moment. But he did not have a disability such that forced him to stay in the chair perpetually. No, that was merely a means of convenience with the sac that he had to carry.

But he still felt the weight as he stood, his legs shaking as he moved to take hold of her hips. He leaned forward, pressing his back to her, more than seven inches of shaft still sticking out of her.

"Fraulein. With your permission?"

"Mmmmmm..."

"You can still speak. Yes, or no?"

"Yes...Yes, yes, yes yes yes yes..."

That was as enthusiastic as he needed his consent. Richter nodded, nudging her to lean against the side of his wheelchair as he stood in profile to the rest of the room. He lined up properly, and then thrust.

"Oooooooh."

She moaned for him, and in all fairness, he moaned in return. It had been a long time since he'd had someone like this to truly enjoy, and he was enjoying the hell out of feeling someone clenching on his cock. Most of the other sample girls had been enjoyed by other, larger men before, but this young lady had little experience there. To him, she might as well have been a virgin.

As he pushed forward, sinking past her cervix again, he took his time to slowly work her up to another pleasurable pitch. He reached around, rubbing her clit lightly as he spoke.

"Regardless of the desire of your partner, it is common courtesy to continue to indulge your partner past the size you offer," he said. "Regardless of biological desire, taking something that is outsized for the species is still difficult, and can lead to discomfort at the best of times, and outright pain if you are not careful. This may train the mind to fear the pheromone communication that previously drew it in, and you may become responsible for ruining someone's ability to enjoy certain things with others. As such, take your time and help them enjoy it to avoid this scarring."

Admittedly, such a thing was rather basic advice for any sort of sex, but it was a particularly needed one when the conscious mind was less involved. The less that the willing mind was present, the more that you needed to take extra steps to make sure that it was not damaged when it came back. He took his time to keep his thrusts slow. Filling, yes, but slow, gentle, taking his time to accustom her womb to the feeling of being entered to encourage her to focus on the sheer size of the thing sliding in and out, in and out, rather than on the discomfort of something so deep being opened up. That could be addressed later. This was the pleasure of the moment.

In.

Out.

In.

Out.

Were this the module on hypnosis of self and others, he might have taken the opportunity to create another lesson out of the cadence he found for his work, but he kept it to the pleasure alone. In, out, in, out, regular and slow, gentle but firm. Fraulein Weber moaned under him, the Ibex twisting her head from time to time, forcing him to lean back to avoid being spotted on the curled tips of her horns. As soft and gentle as she was under him, those could still cause great pain.

She was wet, though, wet and dripping. Her voice was soft, barely present, probably due to the sheer size of the shaft pressing up and under her ribs at this point. He knew from past experience that his shaft was probably tickling her in places that would be aching the next day, but more than that -

"Nnnngh..."

The soft moan preceded the first shivering orgasm, and he nodded, gesturing down at her.

"As you can see, Fraulein Weber is having the first orgasm from size that she's likely had in her life. The experience, as those of you that have undergone it yourself know, is quite intense. You are aware of your own smallness, your own weakness, and must trust the one above you absolutely to deliver you through the experience without pain or regret. It is a moment of utter intimacy, and only accomplishable through scenarios like this.

"Now, in the case of the fraulein, she would normally be unable to reach another orgasm so quickly. The mind would disallow it, the body shutting down certain capabilities for the sake of maintaining a certain integrity. However, as the mind has been opened by our subconscious communication, and as she has accepted the pleasure that comes in this state..."

Richter thrust again, and without the usual build-up, without anything that might have indicated that the Ibex was ready for another orgasm, she moaned louder. One thrust, one orgasm.

And that became the rule as he took his time, building his own pleasure moment by moment, inch by inch as he inserted himself into her and then pulled out again. She was soon all but screaming, her voice going high and keening as she was fucked with something too large for her conscious mind to take and too intense for her unconscious mind to entirely wrap itself around. All that mattered to her at that point was taking it, and regardless of discomfort, she craved more.

Such was happening to greater or lesser degrees around the room. The young trans mare was on her back, letting herself be ground on, and the immense difference between their sizes and the puffy, engorged, oversized pussy that the hippo had kept the horse in a state of utter bliss. The mouse had eventually moved around to top the elephant, who seemed at a loss of what to do with something so much bigger than his body was meant to take.

Richter smiled as he watched his students, glad to see that they were all engaged in the same pleasures that the pheromones unlocked. It was part of his passion for teaching, such as it was. Despite the niceties of society, despite the way that everyone always seemed in such a hurry to clean up the history of the species and pretend that they were all so much better than the world around them, they were unable to escape the simple truth that they were still animals deep down inside. The world was still a thing that operated on the senses, and no matter how much the senses of sight and sound took priority, the sense of touch and scent were still powerful, and still mattered.

This generation, he hoped, would learn that. If UOM could produce even a smattering of scientists that would take that idea into the future, then it meant that he had done well.

In, out, in, out, each time making the Ibex scream again, leaving her gushing around his shaft. While he had the 'hyper' levels of size, she had the 'hyper' production, dripping to the point where he was genuinely worried about her hydration levels. Shaking his head, he looked around the room. Everyone else had fully devolved to simple fucking, no longer studying the responses of their partners or taking notes on the general scent and pheromone levels of the room. There was no point in prolonging the lesson any further, so he picked up the pace and pushed himself.

It didn't take long before Richter was gasping himself. The tightness and size difference still had an effect, after all, even if he was used to the feeling of stuffing his cock into things too small for it. In, out, in, out, feeling her clenching, feeling her orgasms start rolling together as the fraulein almost seemed to stop breathing. She stiffened up, her head rolled back, her eyes the same as she looked almost possessed. He was close, and then he was there. Richter braced himself, grabbing her tight before thrusting in as far as he could safely manage.

He still had three inches of his cock sticking out of her when he came, and he groaned as he felt the flood running down his cock. The sheer amount of cum spurting through to her womb was always a shock, despite just how many times he had done this. The pulse of pressure ran right through his cock and then, SQUELCH, pumping loud enough to be heard across the room.

"Prof's cumming!" someone shouted.

All eyes were on him then, and he stood to make sure that they could see his balls rising, could see the pressure mounting at the base of his cock before it was unleashed. The Ibex's stomach was already swelling, pushing down from the sheer amount that he was unleashing within her. Spurt. Spurt. Spurt. Each time, his release threatened to push him out of her, and his balls rose up enough to half their size before they dropped down once more, almost hitting the floor.

The process was as intense as it always was, and he could feel his cock tip swimming in the sheer amount of seed that he left behind inside of her. The amount of it always shocked his partners the first time, and Fraulein Weber seemed to be no different from the others as he pumped her full, her face glowing pink from what he could see from the sides, and her body shaking.

She almost fell over, and he had to wave two students over to help her stay up. She shook, panting, and he could feel his cock getting pushed back. As he always did, he gradually walked it out of her, taking his time to ensure that every spare bit of space inside was used to store the seed he was leaving behind. No need to waste what he had to offer, after all.

By the time that he had backed up to the entrance of her womb once more, he knew that there was no backing up further. He held himself there, milking out the last of his load, and he felt it all sort of bubble together, forming something of a cohesive gel sac around itself. It always happened that way, rather than turning into a split mess shortly after emission. His doctors had suggested that it was simply a matter of biology due to his hyper-state, but he had no proof, really.

But he stepped back, letting his cock flop back onto his balls. He groaned, fumbling for his chair, his energy drained and his legs shaking. He dragged himself into place, wheeling himself back from the barely-conscious Ibex. Her head wobbled from side to side, and she looked almost drunk.

No surprise, really.

"Get her a chair, and a cloth. She will need some help."

After all, she hadn't been entirely ready for this particular class. She was still in the first module, where nobody was expected to go this far for months.

But she had been interested...and while he could have missed his guess, he had little doubt that she would wake from this more curious than ever before.

As the Ibex was loaded into a wheelchair, she continued to spasm. That was familiar, too; the raw overload of sensory information was translated into the easiest to understand signals, which was to keep repeating the same sort of feelings and stimulation that the body had been undergoing for the last few minutes. The orgasms would keep rolling for some time, and would probably not stop for about an hour or so. When they did, she would be unconscious, and stay that way until the worst of it had worn off. It was just the way of someone inexperienced in something like this.

"Just because someone wants to take something of such a different size doesn't mean that they always can, and just because they can does not mean that the mind is able to process it the first time around," Richter said. "Let this be a warning to everyone that might want to try this with someone particularly large...or anyone interested in me. My wife will not be sympathetic if you think that you can take it when you cannot, and neither will I."

As one of the TAs wheeled the Ibex past him, he reached into his shirt pocket and pulled out a small envelope. He tucked it under her arm as the TAs dressed the Ibex in a blanket and sent them off with a wave of his hand. He had more of a class to teach.

Sibylle woke with a headache and a great deal of slosh of which she was only barely cognizant of the source. The Ibex groaned as she lifted her head from her pillow, finding that she was lying on her stomach, a most atypical position for her, but as she tried to turn, she realized why.

Slosh.

Squelch.

Slosh.

Her stomach moved without her meaning to, so full of...something. Sibylle rubbed her head, the Ibex going over the last few moments in her memory, trying to remember when she'd completely slipped from being aware to being something else.

I went to see the professor, she thought. I wheeled him to the next class. I helped him get set up. And...

And then she'd...

Sibylle's eyes went wider and wider the more that her memories came back. She clearly remembered the sight of his balls as she pulled the blanket up and over his lap, showing off what he had been barely hiding from the rest of the staff at large, and from the attending students, as well. The thought of just how big they looked was striking enough, but the memory of the scent -

Squelch.

She gasped as she felt some slime running down between her legs, dripping down along her clit and into the sheets. Reaching back and down, she could feel more dried bits that must have come out of her while she'd been resting.

Just how much -

Ring ring.

Ring ring.

She fumbled around for her phone, trying not to move too much, knowing that it would only make it worse.

Ring ring.

Ring ring.

She found it as it hit the last ring and frantically pressed the screen.

"Hello?"

"What the hell? Why haven't you answered me before now?"

"Hello, Sandra. How was class?" Sibylle asked, rubbing her forehead. How long had she been out?

"Don't give me that. I've been trying to send you the notes."

"I just woke up."

"From what?! A full day nap?"

"...What?"

"That was yesterday. Where the hell have you been?"

"Where - oh. Oh."

She knew that she'd been passed out for a while, but she hadn't thought that it was that bad. A day? A full day in bed? While she had been filled to the brim with cat cum that was still inside of her?

Oh god.

Oh god.

"This isn't like you. What's going on?"

"I - look. I promise, I will fill you in later, but for right now, I need to take care of - oh. Oh, it's worse than I thought."

"What? What's wrong?"

"I wet the bed."

Not really, but there was more wetness all over the sheets than she expected, and when she shifted her weight back and forth, she could feel the weakness in her legs and arms. She was dehydrated, and no surprise, considering what she could remember from the session at large. It was a miracle that she wasn't in the hospital on a banana bag. Shaking her head, she pressed the phone back to her ear. Sandra was barely suppressing a few chortles, which was all to the good.

"Look. I'll get back to you after I fix this."

"Okay, okay. Look, just take care of yourself, girl. I don't want you to screw yourself over, okay?"

"I know, I know."

"I'll talk to you later."

Click.

She breathed out a sigh of relief as Sandra hung up, only to groan as she tried to move again. Yep, weak. Very, very weak, and not just from the lack of water, either. If she'd been down for a day, that meant that she hadn't eaten, either. She rolled sideways, feeling the momentum of her cum-swollen belly pulling her along at the same time, and she nearly fell out of bed. She caught herself at the edge, barely, but managed to drag herself back up, shaking her head as she did.

"Ugh...mmmph..."

As she sat up right, her guts felt like they were about to run right out her pussy. Not something that she was used to, not even with the one or two partners that she'd had in the past. Then again, Professor Richter put them to shame, and then some. She pressed her hand between her legs, only to pull it back with strings of slime connecting her to it.

"Oh, joy..."

Yet, even as she brought it to her nose to sniff, it was all her. None of the cum mess that she had expected, which meant that it was somehow all still inside of her. She groaned at the idea, wondering how she was going to get it all out. Hell, how was she going to keep from getting pregnant, at that?

Shaking her head, she stood up slowly, feeling her guts wobbling, sloshing. When she was still, she looked like she was in her second trimester, pregnant and rolling. When she moved, she looked like she was in the middle of an enema treatment, her guts pushed forward and swollen.

It was an annoying dichotomy.

But she was able to stumble over to her clothes from the day before, complete with the towels and blankets that she'd been wrapped in on the way back to the bedroom. There, tucked into the blankets, was an envelope. She pulled it out, opening it to find a note inside - form-style, not personalized - and a small baggie that had a suppository in it. She held the baggie in one hand and the note in the other, flicking her eyes across the latter.

_To Whom It May Concern:

I apologize for not being able to brief you on the effects of having intercourse with a male of hyper endowment. If this has come as a shock to you that this has occurred, please make all due efforts to schedule an appointment with Professor Richter Hahn at the University of Open Minds as soon as possible. I will clear my schedule to confer with you and ensure that you have all the information you require as to what has occurred between us, as well as any information that any consenting partner should have with those that they have slept with.

A few pieces of information that you should be aware of, as pertains to unique information regarding sleeping with me.

I am not, as of the giving of this letter, infected with any STDs or STIs, nor anything parasitic.

I am not, as of the giving of this letter, compatible with non-mammal species.

I am not, as of the giving of this letter, looking to have children. However, as you might have found, there would have been little point of a condom in our coupling, due to what is left behind._

Finally, the bubble of goo that remains inside of you acts as a means of suppressing the natural state of bearing children due to the sheer amount of seed within you. They are self-contained in a gelatinous seal which will come undone 48 hours past our point of coupling. At this point, there will be a large chance of you becoming pregnant with a litter at minimum -

"Oh, no, no, no no..."

_But if you take the suppository and insert it into the gel bubble within those 48 hours, the viability of any potential pregnancy will be lowered to a nearly non-existent level. It works most efficaciously between 12-24 hours of coupling, but there will still be some effect up to the 48 hour mark.

I look forward to further discussions, if you wish further contact.

Sincerely,

Professor Richter Hahn_

"...Damn. Covers himself well," she muttered. "Well...I think...bathroom. Probably a good idea to be in the bathroom for this..."

The End

Summary: We switch to Richter's point of view for this chapter, showing how the teacher views what's going on, and what he does to his student.

Tags: M/F, F/tF, M/M, Various Species, Civet Cat, Ibex, Exhibitionism, College, Teaching, Musk, Hypnosis, Kind Of, Vaginal, Hyper Cock, Pheromones, Orgasm, Cum, Creampie, Cum Inflation, Series, Educational,