"She'd wake up bisexual and in love with her new form and be so devoted and attracted to me that she'd never want to risk me losing the stone, but would be perfectly happy to share me with other girls."
Suddenly, the girl woke up, her eyes fluttering beautifully. She seemed confused for a moment, then grabbed her breasts as if to check if they were real. She smiled broadly.
"Did...did you do this?" She asked Jason.
"Sure did, babe."
"Oh my god, thank you. Thank you! You have no idea how much I love this." She stopped, suddenly, and her smile turned seductive. "Why don't I show you my appreciation?" She said, and started crawling toward him.
"Why don't you? I think I could do with a demonstration." He said, and laid back as the new girl crawled over to him, slipped the bikini's straps off of her shoulders and grabbed his crotch.
"Because I don't like it!" Jen shouted. "He's mine and I'm not sharing!"
"Awww, not even if I play with you first?"
"Wha-what? I would never-"