Diana grinned and stepped closer once again. Her large male body was slightly larger than Alex's and he definitely noticed. She immediately grabbed his pants and pulled them to the ground. She grabbed Alex's cock and squeezed it. He moaned but then pushed back on Diana's hard chest.
"Wait. I mean, uh... I came here to, you know."
Diana nodded. "Yeah, we both came here to try the other side. I get it. Come here and sprinkle this powder on your body " Diana handed him a small box that looked like an oversized salt shaker. Alex pulled the rest of his clothes off. He then took the box and began shaking small clouds of a yellowish powder all over his body.
Diana's eyes wandered up and down Alex's body. "You, know, once we change back you should hang out with me. My old body would love to get fucked by you." Alex blushed. Hearing those words come from a masculine voice was still odd to him, but his stiff boner made it clear he liked hearing them. His eyes glanced down at Diana's own boner. Despite referring to her old body, it was pretty clear that her current body also liked Alex's male form!
He finally stood up, fully powdered. "So, how long does this take?"
"About 5 minutes" said Diana. The two adult men stood, naked, and stared at each other. After about 20 seconds Diana finally said "ok, screw it!" and lunged forward, pushing Alex backwards onto the bed. She flung her leg over Alex's and began to hump his leg, rubbing her gigantic erection against him.
"Whoah!" said Alex. "You sure are... happy down there!" This was Alex's first experience with a penis other than his own and it had startled him.
"I know!" said Diana excitedly. "It feels so good to have this thing I can just rub on you. Now I know why men are always so impatient in bed. It feels amazing!"
Alex giggled and bit his lip. The things Diana said turned him on but also made him shy. She laughed again. "Hey! That sounded pretty feminine!"
"No! " objected Alex out of instinct. "I do not sound..." he immediately stopped talking as it was very clear that his voice had shifted upwards since he last spoke. He meekly finished talking. "...like a girl." There was no doubting it now. Alex had a woman's voice.
Diana chuckled and moved her body between Alex's legs. She brought their dicks together and held them there. "I think you're stupid-hot right now, dude. But I can't wait until you get your pussy. My cock just seems to want that so much." She smiled again and began slowly rubbing their cocks together as she kissed Alex directly on the mouth. "I can't wait to see that pussy" she mumbled as they kissed.
Alex keenly felt Diana's weight and size pushing him into the mattress. He'd never had a female partner that outweighed him, so the sensation was new. After a few moments, Alex realized her weight was increasing. Diana was getting larger and heavier. She was not only pushing him down, but starting to cover his body entirely. She thrust her tongue into his mouth and he now knew that even her mouth was bigger than his! Her large hands clasped his now-dainty fingers and Alex knew he couldn't break her grip if he tried.
"You're... big!" he managed to mumble, despite the tongue in his mouth. "Why are you growing?"
"Oh no, Sweetie," said Diana. "I haven't changed. You're getting smaller." And in an instant Alex understood the truth of these words. He was shrinking! He panicked and tried to flail, but Diana was so much larger than him he barely moved. He felt his feet rising up her legs. They must be close to her knees now. Meanwhile, he head had sunk down on the pillow and he found himself staring at Diana's adams apple. He had to tilt his head up to meet her gaze.
"How small am I?" he quietly asked.
Diana pushed herself up on her large, muscular arms, and looked down at their touching bodies. "After I changed I measured myself as 6 foot 2. I'd say you must be close to 5 feet now! That's way smaller than I was as a woman. Guess you just got lucky." She lowered her large body back onto Alex's dwindling frame. As his body melted smaller and smaller he felt both protected but also scared. He was now totally at the mercy of this woman he had just met.
Correction. This MAN he had just met. As if to emphasize the point, Diana pushed her crotch forward and Alex felt her dick press into his. Alex hated to admit it, but the move turned him on even more. He was starting to get very curious about her penis. In fact, Alex was having trouble remembering what his own penis looked like. In his mind a penis was now exotic and strange. He knew he used to be a man, but the details of that were escaping him at the moment, as if being a man was a dream he'd just woken up from.
He remembered Diana's comment a minute ago about wanting to see his pussy. He now realized that she meant that quite literally. Her memories of being a woman had probably gone fuzzy too. She really WAS curious what his pussy would look like!
As Diane's cock continued rubbing his, Alex felt his own dick twitch and then... shrink? It wasn't getting softer. Just... smaller. Diana kept thrusting and with each rub it felt like her cock was removing a bit of size from his own.
Alex was feeling a million sensations and emotions. Despite all his changes thus far, he realized he was still essentially a high-voiced, small-cock'd, tiny man having gay sex with a stranger he just met! This certainly wasn't what he'd expected when he'd gotten to the resort but he was quickly discovering that he didn't mind at all.
He tried to wrap his arms around Diane's back and found he could barely reach. He threw his head back and laughed out loud as he waited for the remaining changes to take hold.