Nick sat between Peter and Ty, trembling in fear. Was he crazy? It wasn't possible to become a little boy. But here he was, almost naked and dwarfed by the teenage boys around him. One of the boys, the one called Peter, grinned and put an arm around Nick's shoulders, giving him a gentle hug. "Don't worry, little guy. We aren't gonna hurt you. Hell, I was your age just a few hours ago."
The former police office blinked up at the muscular, well-hung teen. "Huh?"
Ty patted the boy's head. "Yeah. We won't leave you stuck like this. Maybe." He reached down and pinched Nick's small penis gently through the speedo. "Not much there. That what's got you worried? I can fix that."
Nick had gasped and flushed when Ty groped him, but was afraid to do anything to resist. Then his mouth fell open and he arched back against the seat as a wave of incredible pleasure and warmth shot through him. When it finally faded, Nick felt a slightly uncomfortable pressure between his legs and looked down. The speedo was stretched out away from his crotch, an 8-inch uncut cock and testicles the size of walnuts spilling out of it. His eyes widened and he felt the huge organ. He shaft started pushing out as it got even longer with erection. "That's impossible!"
Ty and the other boys all laughed. "Dude, that's nothing!"
"Ty, I think he doesn't like being skinny," suggested Peter.
Ty looked around at his friends. They'd all buffed up to similar builds as Peter for going to the beach, Ty included. And of the five of them, only Dustin was fully clothed. Ty and Peter wore speedos, and Kent and Allen were in boardshorts, but they were all shirtless and all showing their lean, muscular and tanned bodies. From six pack abs to clearly defined pecs to defined and bulging biceps. Amusingly, though, little Nick was the largest of them in the speedo region. Not by much, but it was there.
So in the next instant Nick began to suddenly fill out with muscle, his arms gaining impressive size and muscle definition in his arms and rounding in his shoulders. His torso expanded with muscle too, giving him a v-shaped back and well defined pecs, while his flat stomach became a six-pack of abs. Even his butt became a more firm and defined bubble butt. Then the changes ended and Nick was like a miniature version of the teens. He had no idea what to think of this turn of events as he flexed, but felt it was awesome in spite of himself.