Jeff couldn't believe the sensations he was feeling. Sex was even better than he'd imagined it would be!
He panted and growled, enjoying the feelings he was experiencing in his crotch. "God," he gasped. "You feel amazing."
Jenny grinned. "So do you, Babe. You fill me up so perfectly!" She thrust her own hips back at him, doubling the speed at which their genitals slipped in and out of each other. She bit her own lip and sighed with satisfaction. She was amazed at how full she felt. It was all so perfect to her. This was everything her body could ever want.
And yet, they were both about to experience so much more. The Chronivac made a clicking sound and then buzzed gently as it went to work. Not that either young lover noticed this.
Jeff buried his face in Jenny's neck as he continued to thrust. He spoke to her with his lips pressed against her skin. "I can't believe how intense it feels. It's almost like my dick is ALL I can feel. It's like it's all that matters. The rest of my body is so easy to ignore."
Jeff couldn't see it, but Jenny had to stifle a laugh as she replied. "Oh, is that so? Yeah, I think that's just how sex works... totally normal." She grinned again, amused that Jeff was so close to understanding the changes his body was going through, and yet still missing the point. Jenny, however, knew exactly what was happening and she moaned as she felt the modifications spread across her own body.
Jenny herself was beginning to notice the same thing. She very acutely felt the sensations all up and down the inside of her vagina. She was completely aware of how her labia was being pulled to and fro by Jeff's thrusts. And her clit... oh, wow, her clit took up almost all of her attention. She could barely remember she had arms or legs or even a head. All of these body parts paled in comparison to the feeling of having a clitoris. She moaned loudly again and began to shudder. It felt a lot like an orgasm, but Jenny could tell it was different. With each jerk of her torso, her pussy got a little bit bigger. She looked down her body and could see it. What used to be a cute little 4 inch strip of folded up flesh was now an 18 inch long slit! Her pussy was huge! She gasped out loud at the sight of it. Her clit was already the size of a large grape. She watched as it rolled up and down Jeff's stomach, each of his thrusts gently massaging it. Jenny's orgasmic feelings continued and she had to lean back and close her eyes.
Meanwhile, Jeff hadn't noticed anything was wrong. Despite the fact that his girlfriend's pussy had grown to an enormous size, Jeff's cock had kept pace with it. Jeff kept thrusting, not realizing that the sensations he was feeling were wrong. His brain could clearly tell that his dick had grown to 2 feet in length, but his virgin body didn't know that was wrong. He just assumed that sex felt this way. He groaned again and kept thrusting.
With each thrust forward, Jeff's cock would grow, making Jenny cry out with pleasure. And each time Jeff pulled back, Jenny's vagina would grow just enough so that the next thrust in would feel the same.
Neither Jeff nor Jenny had noticed their shrinking legs. Jenny's legs had shrunk down until they were just little nubs. Jeff's, meanwhile, had gotten smaller but stopped shrinking once they were half size. They started inflating, becoming rounder.
Had the horny lovers separated, Jeff would now look like a weird kind of pogo stick... a normal body tapering down to a 4 foot cock with two balls growing beneath it. And Jenny would have looked like some kind of frightening puppet... a woman from the chest up, but with a gigantic, open hole at the bottom instead of a torso. But, joined as they were, neither of them paid this change much mind. Jeff continued to thrust his giant phallus into Jenny's enormously deep pussy.
By now their arms were almost gone too, and Jenny opened her eyes. She looked down in time to see her breasts deflate and merge into the top of her labia. Her pussy had almost reached her neck as her arms finally retreated all the way inside her. She was little more than a pussy with a head at this point. Her baseball-sized clit was climbing to her face and she realized that she would soon BE the clit once it took over her head. Her face started to shrink, its features fading away.
Jeff, meanwhile, opened his eyes one last time to see the bizarre scene in front of him. It looked like a porno video where the camera had been placed inches away from the actors' genitals. He was staring at a 5 foot tall pussy with Jenny's face on top. He watched her face slide onto the basketball-sized clit and begin to fade.
"Jenny!" he yelled. "What did you do!" Jenny's face simply smiled, clearly in pure bliss. Jeff looked down and saw the 6 foot penis that he had become. Somehow, this dick was still sliding in and out of the cunt in front of it despite not being attached to a human who could do the thrusting. His legs had each turned into a testicle and was flopping around on the bed as their cock moved back and forth. Each ball was easily two feet wide.
Jeff's torso, or what was left of it, was now little more than an odd growth on this cock. His chest and head together were only 2 feet tall. As Jeff shrunk even faster, he felt his consciousness slide. His mind left his head, slide inside his tiny chest and continued on until it settled in the penis' mushroom head. He felt large and powerful, but also trapped. His stiff body was long, but he could not bend or twist. Simply move forward and backwards.
Jeff could no longer see with eyes but he could still somehow sense everything around him. He was inside Jenny's pussy! Or, rather, he was simply inside Jenny, as this pussy was all that was left of her. Jeff tried to scream but found that all he could do was shiver and vibrate as he continued to thrust.
Jenny the pussy was now fully transformed. She also vibrated with pleasure as she felt her 6 foot penis-boyfriend stretch her body out. He kept fucking, thrusting in and out, as she lay on the bed. She could somehow see all the way down his long shaft; each time he pulled out it pulled her clit down towards it, only for it to be pushed back the other way as he thrust in. Not only were the sensations incredible, the view was unlike anything she could have ever imagined.
The enormous human-sized cock and cunt continued to fuck each other, their pleasure only growing within them.
Just then, the machine came to life again and began buzzing.