"Jake's such an ass. Genie, I wish he wasn't such a massive ass!" Genie nodded, making his alterations. Davis twitched as the altered wish escaped his lips. "Genie, I wish he wasn't ashamed of such a massive, fuckable ass!"
"Your wish is my command, Master!" Genie snapped his fingers. Jake was just turning on the shower in their shared bathroom. The steam water quickly fogged the mirror as he stepped under the hot stream. Jake began soaping up his lithe body, toned from his workout and position on the lacrosse team. As he lathered, he turned slowly under the flow, when his ass brushed up against the cold wall.
"Ye-woa! I always forget how much in the way you get!" Slapping his ass, which jiggled sending a thrill of exhilaration through Jake. His once nearly linear back profile was now broken by the hemisphere's sticking out just below his waist. "Though you do help me out on the field. Keep my balance, and give my hip checks a little more oomph."
Jake finished his shower, which nearly doubled in length in order to keep his plump rump clean. He wrapped his (extra large) towel around his waist, which noticeably hung off his wonderful globes and walked back into the room. Davis had been waiting anxiously to see the result of his wish. Of course, there had been some ripple effects of his altered wish. He needed to, at the very least, find a man's ass fuckable. So now he was solidly Bi, with a strong preference to anal play. He eyed the towel-wrapped Jake hungrily, his modest endowment growing to full mast as Jake bent over to grab a new jock-strap.
"Hey, Old Fag! Turn around! I don't want you perving over my ass while I get changed! You too, Gene!" Davis scowled, but complied, giving 'Gene' a sinister look. "Gene, I've got a wish..."