It wasn't long before the girls of first period gym filtered back into the now-vacated locker room. Everything proceeded as it normally would, save for one tiny hiccup at the locker of Tiffany Sanders.
Hiccup might even be to strong a word. The girl, for a moment, didn't recognize the lacy black pair of underwear sitting in her locker. They were certainly the type and style she would wear, her brain just told her, momentarily, that they weren't hers. but that moment passed and she simply put them on as if they were her own, and proceeded just as she normally would, not realizing that she was wearing her friend, Sarah McMillan.
Despite the other Sarah's wish, no changes had yet happened: Sarah and Tiffany were similar people, and Tiffany had yet to do anything out of character for Sarah, so there was nothing for her to absorb. Until, that is, Tiffany stepped out of the locker room, and saw Biff Meadows.
Although she knew it was wrong, knew Biff was Sarah's boyfriend, Tiffany could not seem to help herself. The school's star quarterback inspired something primal in her, a need she couldn't contain, and she quickly found herself turning on her seduction mode and acting on auto-pilot.
But the closer she got to Biff, the less she felt that primal need. And, unbeknownst to her, the more the color of her panties shifted from black to pink. Sarah was acquiring Tiffany's sex drive and promiscuity, and in that process, Tiffany was losing it. By the time she reached Biff, she...