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The Teacher's Terror

Part 3

for DariusWhitefur

by Draconicon

The public blowjob with Noam took a good half-hour, though he was rather surprised that he was able to take the whole thing by the time that he was done. His jaw was sore, but he had managed to get an oral knotting done, something that he hadn't entirely realized was possible. At least it had only pushed his jaw rather than his ass; he rather doubted that he would have been able to take something like that under his...

David looked over his shoulder, trying to ignore the sinuous thing that poked out from the base of his spine. His new tail was a powerful limb, something that acted as an interesting sort of counterweight as he walked along, but the fact that he had a tail was something that still didn't sit right with him. No human being should have a tail.

Nor webbed fingers and toes.

Nor dark eyes that were almost pure black.

Nor teeth like the ones in his mouth.

David watched Noam walk away, the werewolf clearly done after having said his piece, but David was no closer to figuring out what he should do than he had been at the start of the day. He looked down at his hands, tasted some of the salty load at the back of his mouth, and bit off a sudden wave of guilt that rose up from his core.

I didn't do it on purpose...this place...

There had to be something wrong with this place. He wasn't a cheater. He didn't want this to be his new life, where he was completely helpless against the urges rising from inside him, where he was losing himself to a body that he didn't want. There had to be a way.

Maybe if he went to talk to the head of H.R., if he talked to Isabelle again, they could work out something. Noam and Rhea had both confirmed that there was no way to change back, but he wondered if they'd ever tried. Maybe there was something in the contract that he could use, or maybe, just maybe, he could get Isabelle to have some sympathy for him, since he had been blindsided about the whole thing.

It was worth a shot, right?

"No. It can't be done."

David slumped back in his chair as Isabelle shook her head. The H.R. head and the Vice-Principal of the Academy crossed her arms under her breasts.

"I'm afraid that it's completely out of the question, and against the terms of your contract."

"This...this isn't fair."

"What is not fair is the fact that we have to hide at all. A human teacher would have reason to blackmail the students, cause, opportunity. Someone like them ensures that they are safe."

"Then...what about you? You're human. Why didn't you change?"

"You're half-right."

"...You're not human?" He blinked. "But you look - HOLY FUCK!"

David all but leaped over the back of his chair as Isabelle changed in the blink of an eye. One moment, he was looking at a woman too pale to be black but too dark to be white, slightly buxom with glasses and a tight bun at the back of her head. The next, he was looking at a woman with purple skin, horns that poked through her hair, breasts that were on the verge of snapping her shirt apart, with curves that would have been impossible for a mortal woman to support that she wore with impunity.

And as she changed, so did the air in the room, going from slightly too warm to sweltering. Despite his intentions, his cock leaped in the front of his pants, almost cumming on the spot, and his eyes rolled back as he felt the utter hunger for sex, for thrusting away, for humping and being humped. His mouth hung open, his tongue lolling out of his mouth.

And then it was done. Isabelle transformed back to her human shape, and the room went back to normal. Mostly. The heat took longer to fade, and David was shivering as if he had been dropped into an ice bath.

"You...you're a..."

"A demon. A succubus, to be precise," she said, sitting down again. "Though I don't particularly like using those powers."

"..."

"I'm quite asexual, believe it or not."

"That...that's..."

"Look. I'm sure that there's a perfectly workable solution to all this," Isabelle said, shaking her head and gesturing at the chair. "I can't restore you to your old form; most of the time, simply amping up the sex drives of those that work here is enough to make them happy with their bodies, but clearly, that isn't the case for you. You have enough of an attachment to something or other that you can't accept this. What is the problem?"

"..."

"If you don't tell me, I can't help you fix it."

"...I have a boyfriend," David admitted, slowly sliding around to sit in his chair. "And...I can't control myself...and I don't know if I can stay faithful to him...or even be sure that he'll like what I've become."

"There. Now. See?"

"See what?"

"Now you've given me something that I can work with."

"..." David cocked his head to the side. "How can you work with that?"

"I'm in charge of Human Relations, and the Inhuman ones, as well. I know my business, Mr. Smith. If that is the long and short of your problem, then you may consider it already solved."

"But...but how?"

"Just leave it to me. If there is nothing else?"

"...Just...one. Do I have to be...well, this shark thing?"

"Did you have something else that you preferred?" Isabelle asked.

"...I kind of like dogs..."

She sent him back to his dorms, telling him to take the rest of the night off to relax and calm down from everything that had happened. David expected to be up all night, trying to ignore his cock and just being tormented by nightmares of the potential futures that lay ahead of him, but instead, he conked out almost immediately, sleeping through the night and well into the morning. It was an odd feeling, almost as if he had been encouraged to do it.

Stranger still, when he woke up the next day, he had none of the urges that he had felt the last day, or even during his normal life as a human. None of that tugging, pushing urge to jerk off, none of that leftover need to tend to his morning wood. There was just a feeling of acknowledgement, knowing that his cock was there and a bit stuff, but nothing like the stiff and horny rut that he'd enjoyed before.

Someone had even procured a breakfast delivery for him, sent by someone that mostly appeared human, though they had the dark eyes of something else. David watched the other person go, looking down at the platter of eggs and toast and bacon in hand, and settled down to eat.

As he did, he was quite aware of further transformations that had occurred overnight. His skin was smoother than it had been, almost rubbery in patches and lines along his arm and shoulders, and the nodules had fully grown in. They ranged from one foot long to three feet, extending out in black tendrils that swayed like seaweed caught in an invisible current. Through experimentation, he found that he could move them and direct them to different positions, even using them to grab and squeeze things if he wanted to.

It was a very weird feeling, though, and he didn't push it too far. Not for the moment, at least.

His teeth had changed slightly overnight, too, no longer the ripping sort of shark teeth that he'd been slightly terrified of, but more like dog-fangs. They felt like Noam's teeth had looked, and he wondered if something had happened with the meeting with Isabelle to change the way that he had been transforming, or if blowing Noam had gotten him partially infected.

Either way, it was something different, and he imagined that he'd have a rather odd body if he was going to be half-shark, half-dog.

What's that going to look like, anyway? he thought as he finished off the last of the bacon. Some sort of -

Knock, knock.

He paused, broken from his chain of thought. He couldn't think of anyone coming to visit him, unless it was someone like Laticia that might want a second round - oh, god, that would be awkward. David rubbed the back of his head, wondering if he should pretend that there was nobody home, but -

Knock knock.

"David, you there?"

His heart froze in his chest. That was Juan's voice. How -

"Hey, you there? That H.R. woman said that this was your place. You in?"

David looked at his hands, at the tentacles on his shoulders and back, and he could already imagine the freak-out that would result from being seen like this. At the same time, what was he supposed to do? Hide forever?

Noam's words came back to him. Monster-fuckers, according to the werewolf, were getting ever more common. They were not the secretive sort of people that they used to be, and that monster erotica - were some of the books that Juan bought online that kinda thing? He'd never asked, but he had caught his boyfriend jerking it to different stories in the past rather than just together. Was that -

Knock knock.

He had to make a decision, and abandoning Juan had never been on the cards. Gulping, David got to his feet and crossed the room, resting his hand on the door.

"One second," he said.

"David? Is that you? You sound different."

"Yeah, well...sounding different is the least of our worries."

"...What's wrong, hon?"

"I'll show you...just...gimme a second."

"Sure, sure. No problem."

Lots of problems, actually, he thought, but it wasn't as if he could say that. Looking down at his webbed fingers on the doorknob, he took a deep breath, held it, and then pulled the door open.

His boyfriend, a Hispanic man just slightly shorter than he had been - and shorter now, he realized, and he wondered when the extra height had kicked in - looked at him. Juan's eyes poked out between ragged locks of black hair, messy as ever, and they widened as soon as they settled on him. David winced, looking away.

"Yeah...yeah, it's me," he muttered.

"...Wow."

"Is that...that all?"

"Well...still kind of taking it in. That's a lot of new stuff - are those tentacles?"

"They're something," he admitted, blushing as he felt them twitching, having to really focus to make them go still. "...You're not running away?"

"Well...still figuring this out."

"...At least there's that. Do you...want to come in?"

"Please."

They stepped into the dorm, neither speaking as he shut the door. After a second, Juan reached out and locked it, which made David feel at least a little bit better. At least his boyfriend wasn't going to just run off and leave him alone like this. They sat together on the couch, side by side, neither quite looking at the other but neither quite looking away, either.

David tapped his hands together, trying not to feel entirely self-conscious about his body and the way that it felt. He could feel the temperature in the air differently than before. It had been rather chill before Juan had arrived, but now that his boyfriend was here, it was starting to heat up again. Kind of like that head-melting rut feeling, something that had been missing from his meeting with Isabelle right up until -

Right until this moment, he realized. Had she...had she done something with his sex drive? Used her succubus powers to tune his rutting needs so that -

Oh...oh...

If she'd done that, then he was going to need to give her so many thanks. He wouldn't mind losing his ability to be attracted and aroused by others if it meant that he was able to stay faithful to Juan.

"So, um...how much did you change?" Juan asked.

"...a bit. Still...well, you can tell I'm still partly human."

"Yeah. No muzzle or snout...no big shift in the body, still a lot of human style stuff. Nipples."

"Nipples?"

"Hey, I'm pretty sure that you'd have more of those if you were going werewolf or something."

"Oh god, that'd be freaky," David muttered, looking down at his bare chest. "Can you...oof. No. No, thanks."

"Heh...so, uh...what are you turning into?"

"Can't you tell with the tail?"

"Well, kind of, but that says 'shark' and your face says dog, so..."

That was fair enough. He would have said shark himself until the recent shifts in his teeth and the slight wagging behavior that his tail had started taking on. Those were definitely more dog-like traits. He rubbed the back of his head as he looked down at his feet.

"So...what did they tell you?" David asked.

"Everything."

"Everything?"

"Well, I had to sign a contract to stay here first -"

"YOU WHAT?!"

He almost hit the roof at that point. It was bad enough that he'd been made to stay here, that he was getting warped, but he hadn't wanted that for anyone else. He was about to leap from the couch and run for the corner office of Isabelle's part of the Academy when Juan took him by the hand.

"Hey. I've been looking for a job too, remember? Just because I can't teach doesn't mean I can't stick around...and who knows? Maybe I'll get a different body like yours."

"I...you..."

"And besides." Juan smiled, pulling him a bit closer, dragging his hand down to the space between his boyfriend's legs. Juan had always been the more confident, more self-assured of the pair of them, and the feeling of something hard and throbbing down there was a huge boost to his own confidence. "I want to stay with you. Even if it means staying something that I never was."

"You sure...are you...are you really sure?"

"Give me a squeeze and find out."

David blushed, but rather than giving a squeeze, he leaned in and kissed his boyfriend. It was awkward with all the new teeth, but it was still great. The connection was still there. They still loved each other.

Their clothes didn't stay on for long after that. Neither of them were entirely shameless, but both of them had been lonely for the other for longer than they wanted to admit. They slid out of their clothes, soon completely naked, and running for the bedroom.

David was the one that ended up on his back, his legs slightly spread as Juan loomed over him. The shorter human smiled, stroking his hands along David's thighs, rubbing up to the shaft that stood out and proud from his crotch. Those gentle fingers moved surprisingly quickly to the empty space under it, pressing where his balls used to be.

"Are they inside now?" Juan asked.

"Y-yeah...still...still weird, that."

"I'm going to miss pulling on them."

"Mmmph..."

"But now I can play with this even more..."

Despite the fact that David had always been the bottom of their relationship, they'd always shared when it came to oral play, and Juan was still just as good at that as ever. Despite the fact that he had a very different-shaped penis now, there was no hesitation. Just like that, it popped past Juan's lips, and David arched his back, having to force himself to keep his hips on his bed.

Oh, something was happening, alright. Something big was happening, ensuring that his cock was staying rock hard, but he was so sensitive, far more sensitive than he'd been with Laticia or with Noam. There was something different this time, something that made him hornier, hungrier for Juan's touch than he had ever been for the others.

Had to be succubus magic. All that stuff that was tamped down around others came out twice, thrice, four times as strong for his boyfriend, and that was awesome.

No, better than awesome. That was amazing.

He moaned loudly, his fingers curling into the sheets under him as Juan bobbed up and down, sucking him good and deep, never letting his cock stay out of his mouth for more than a few seconds. The new length, the new shape, the pointed tip or the little ridges along the side; none of it mattered to him, and none of it seemed to repulse him. Whether he was something of a monster-fucker or not, Juan loved him.

Bob, suck, bob, suck, with the occasional 'gluk' when his boyfriend went all the way down and the tip penetrated his throat. David couldn't stop moaning, couldn't stop panting from the feeling of his cock disappearing all the way down, feeling his toes curl every few seconds as he got so close to the edge, then got pulled back from it. His pre-cum was flowing hard, though, his internal balls making damn sure to feed -

Oh. Oh. OH!

He panted as he watched the first change hitting his boyfriend, Juan's hair parting to allow the beginning of little horns to come through. He didn't seem to be aware of it himself, but they were there, yellow-ish things that were more like goat horns than anything else.

Goat Juan...that's...that's not a bad thought...

But thinking any harder on that meant ignoring the blowjob going on, and there was no way that he was going to do that. He leaned his head back, savoring the feeling of being sucked, the rare feeling something that he was going to go out of his way to keep enjoying.

As he huffed from his cock getting sucked right to the edge, only to be teased back down again, as he moaned from the feeling of his boyfriend's mouth again after being with others, he couldn't help but feel his tendrils getting longer, the tentacles along his back and spine getting stiffer and more...more active. They reached out, pressing to the horns rolling out of Juan's scalp -

And then they pushed.

David gasped as his boyfriend was 'forced' to deepthroat him for a moment, the pressure all that he needed to go over the edge after that much teasing. He felt his cock throb, his balls rise as much as the internal things could, and he came. Hard.

Splut.

Splut.

Splut.

Juan swallowed it all, and as he did, his nose and lips started darkening, turning into something closer to the dog-like rubber lips and the soft, square-triangle nose that dogs had. He stared, panting as he felt his load getting sucked down, Juan's eyes closed as they always were when he was taking everything in like that.

How are...what will you...

He didn't know if Juan was really ready for the loss of his humanity, but they were going to find out real shortly. He panted for breath, waiting for the moment that his boyfriend would open his eyes again. His tendrils pulled back, letting go of the horns, and slowly, Juan came up for air. David's cock popped free, bouncing back against his stomach as it finally was released from that slippery mouth, and Juan coughed, rubbing his mouth clean with the back of his hand.

"Heh...well...you needed that, didn't you?"

"..."

"You okay? I know I can blow your mind, but -"

Juan finally opened his eyes, only to stop talking. He looked down, saw how his face had flattened slightly, how his nose ended in a large dark spot. He brought his hands up, only to freeze again at the sight of slight claws at the ends of them. He turned them slowly, looking at them on all sides, then finally seemed to become aware of the horns sticking out through his hair. He reached up for those, too, touching them, feeling them.

It was all done in complete silence, and David was loathe to break it, not wanting to be the one that brought the whole moment crashing back down to earth with something stupid. He just waited, his cock refusing to go soft, his needs refusing to go away despite how serious the moment was.

Eventually, Juan brought his hands back down, shaking his head. His lips turned up with a smile.

"A goat, huh? Goat...and dog."

"You're okay with this?" David asked.

"Well, it's not what I expected, but I'm not complaining."

"..."

"Besides, even if I go more dog than goat, we both know who the bitch is here."

"H-hey!"

"And who the randy goat is."

Juan smiled, sliding forward. There was a brief moment of unspoken negotiation before they were in a new position, with the half-transformed Juan on the bed, kneeling between David's legs, a growing cock and sheath on display as Juan ground the former against David's ass. The feeling of that changing shaft down there, the head turning and warping, heated and a different texture every time that it pressed against his own pucker, was a very different sensation.

"Ready to feel your boyfriend inside you again?" Juan asked.

"Mmmph...I'm ready."

"You better be. Because I'm not stopping anytime soon."

That was what David wanted to hear. That was the reality that David wanted to embrace. Leaning his head back, he felt that sharp point press against his hole. He half-thought that they'd need to stop for lube - he'd always had a bit of a problem taking someone half-dry or with just pre-cum - but instead, Juan just pushed in. Whether there was just that much pre-cum down there or there was some other solution, he didn't know, but the feeling of that hot tip sliding past his pucker was everything that he needed at that moment.

"Ah...ah..."

The further that cock went, the more that he forgot about the rest of the world. He forgot about his pinned tail, his webbed digits, his ill-shaped mouth. He forgot about his ball-less cock between his legs, he forgot about the rubbery skin that ran all across his body. He forgot about everything except for the feeling of Juan being buried inside of him, and he pulled his legs further and further back to make sure that his ass stayed completely on-offer for the transforming man over him.

As he was finally hilted, he felt the beginnings of a knot down there, and a bigger one than he had felt on Laticia. There was something proper there, something that would tie them together at the end of the day, and for the first time, he craved the sensation of something proper, something large, something messy and bestial and different. It would mean that they were together again, and that there was nothing that would be able to pull them apart.

I think...I think I get the monster appeal...

Juan finally ground against him, balls against his ass, and he shivered, knowing that that goat-dog cock was all the way inside him, so far inside that he could almost see it. Or at least, he imagined that he could. Was it that big, that different? If it was, how was he taking it that easily?

"You're thinking too much again," Juan teased.

"Mmph...it's just...so..."

"So are you. So stretchy...so rubbery back here..."

"Mmmph...sorry...I know you like it tight..."

"I think I like this even better..."

"Then...then get fucking, man..."

"Oh, I plan to. You think on the clock. Here? You moan."

With that, the jackhammering began. They'd never quite managed this position, with him folded half over himself like this, since their size difference meant that he'd needed to hold himself rather tight for it and Juan would have needed to bounce up and down with more force than they actually could muster most of the time, but with their new bodies, their new muscles and flexibility, they finally managed a proper mating press.

And it was glorious.

"AH! AH! AH!"

Each thrust left him gasping as it pounded right over his prostate, slamming him down into the sheets and leaving the mattress rocking. Goat or dog, whatever blend of the two Juan was becoming, he was as randy as he had ever been, and as rough and focused as he had never been. In, out, in, out, that knot making a popping sound each time that it went in, stretching him and testing his elasticity in a whole new way.

David's eyes rolled back as he moaned, taking each thrust less like a partner, and more like his boyfriend's bitch. The guilt from before, the worries of what would happen next, the constant pressure that he might be getting something wrong or fucking himself over, disappeared. Here in bed, here with Juan, there was nothing that could go wrong. Juan was in charge here, the one that gave him everything, the one that guided him forward. There was nothing bad that could happen as long as he was in his boyfriend's arms or impaled on that cock.

POP!

POP!

POP!

POP!

The feeling of that knot sliding in and out was accompanied by the feeling of Juan's hairy legs brushing against his ass and the backs of his thighs. They were so close now that each thrust pressed them together completely, and he had a perfect view and feel of the various transformations that his boyfriend was going through. The hairy legs, the slight difference to his face, the fur here and there. Almost like a satyr with a couple of dog features breaking through. Not a bad look. Very different, but not bad.

And that cock, that glorious cock. In, out, in, out, testing his prostate every time, making him moan. He could already feel that pleasure on the verge of taking over, that need about to take him past the edge of his endurance. He moaned, feeling his balls churning away.

"Gonna...gonna..."

"Go on...do it..."

"Nnngh..."

"Cum for me...cum for me, now!"

He came, alright, and the flood that followed was more than enough to make him feel content. Juan filled him to the brim, knotted him, and the pleasure of that warm, liquid sensation cooled some of the utter heat that he'd been filled with since the other man's arrival.

They laid together, panting, pressed together and joined at the hips. Juan's knot throbbed as much as the rest of his cock did, and David panted for breath after being rutted into the bed. Their eyes, half-closed and hazy, were locked with each other.

It was Juan that broke the silence first, chuckling.

"Never thought I'd see a shark with a lolling tongue."

"...Huh?"

"You might have shark eyes and the shark skin, but your tongue was lolling like a dog."

"Oh, god..."

"It was adorable."

"Mmmph."

"Heh...You good?"

"...If you are."

"I am."

"Then I am," David said.

They laid together like that, half-transformed, half-human, and both of them surprisingly okay with it. After all, they had each other, and in the end, that was what mattered most to the pair of them.

The pre-class week passed quickly, and eventually, the students showed up. The Peterson Academy went from being dull and empty to being completely filled with all kinds of life, most of which was completely of the impossible sort. Nagas, werewolves, mer-people on assistance scooters, blob-folk that had misting assistants to keep them from drying out, and far more began to make their appearance on the Academy grounds, passing through a portal entrance in some cases, and being unloaded from large busses with heavily tinted windows in others. Privacy was paramount, and those that could afford the magic to get them there used that, while those that were not so well off were taken care of by the facilities such as the Academy could offer.

David Smith, professor of mathematics, sat behind his desk. He had managed to find some clothes that fit his changed body at the last minute, and Juan had helped him clean up a bit. His various tendrils had grown, too, some of them reaching a total of ten feet long when they were fully extended, and he knew that would help when he was collecting assignments and keeping the students focused on the task at hand. The others ranged from three to five feet, allowing for greater flexibility, but not putting him too much at risk for the rambunctious students that he might have.

He sat with his fingers pressed together. He did rather miss the ability to knit them together, but the webbing got in the way of that. No big loss, really, but it was one of the small things that he had noticed.

The other teachers were probably more nervous than he was. Despite the fact that they were all more or less fully transformed - minus the bits of humanity that refused to entirely leave - they were still getting used to the fact that they could get horny at the drop of a hat, that they were going to be overseeing students that were wealthier than they'd ever be, and that they were trapped in a magical world that they could not escape.

They...didn't have someone that cared like he did. They didn't have someone like Juan. But he did, and that was his rock.

David looked up at the clock. His first students would be arriving shortly. He smiled to himself, adjusting his tie. Time to begin the first day of the rest of his life.

The End

Summary: David and Juan meet up again, and they have some heart to heart time.

Tags: M/M, Succubus, Demon, Hybrid, Shark, Dog, Goat, Cock Growth, Sheath, Knot, Knotting, Anal, Oral, Blowjob, Tentacles, Horns, Fine With This, Series, School, Transformation, Cum, Orgasm,