Common sense (of a sorts) prevailed, and David decided to gift his younger sister with something of James'. And he already had in mind what he was going to swap between them. David knew how well hung James was, one of the main reasons Emily was still dating him. Say goodbye to junior... He thought with a smirk, focusing on his roommate, who's jeans deflated in front as his large cock shrank in his boxers. James' testicles followed suit as Jamie's pussy took up residence between his athletic thighs.
David's own dick throbbed in his pants as he watched a promiment bulge appear in his sister's jean shorts. She was immediately hard, and the seven-inch penis had very little room to 'breath' as it grew in between her legs. Jamie immediately fanned herself with her hand, thinking how warm it had suddenly gotten.
"So I guess I'll see you later David, right?" James spoke up, adjusting his jeans a little, which now had plenty of room in them. The image of his sister's teenage snatch nestled between his roommate's crotch was so arousing to David. But not nearly as hot as the sight of his petite sister packing some serious heat in her shorts. Due to her small frame, it seemed even bigger than it did in James' jeans.
"Yeah, you will." David smiled, stepping aside and letting James and his idiot friend go on their way.
Jason didn't escape getting swapped entirely though. As he followed James, his impressive muscles melted away, giving him the appearance of a 'bean-pole', as he retained his 6'3" height. Not too far away, a teenage Latina girl had her body swell with Jason's muscles, and they stretched her clothing considerably as she beefed up. On her 5'5" frame, the muscles looked even bigger, just as James' cock did on Jamie. David smirked at the sight, and rubbed his dick through his pants.
"James seems pretty nice, but his friend... yeah, not too bright." Jamie giggled, adjusting her jean shorts while wishing she had worn some looser fitting jeans or shorts that morning, or even a skirt. Though skirts had always been Alicia's thing, not Jamie's.
"I don't see him much, but yeah he's cool." David nodded. And it suddenly occurred to him as he stared at his sister's crotch, that she now had a bigger dick than he did. Instead of being envious though, David loved the fact. "You're looking a little 'cramped' there sis, you sure those shorts were the right things to wear today?" He couldn't help but comment, smirking.
"I know," Jamie agreed, gazing down at herself, "but at least the guys have something to ogle, right? I definitely saw that bright spark Jason checking out my goods." She grinned, cupping her package.
"That's just like you." David laughed, before gesturing to the door to the bar. "Shall we?"