Your stepsis is headed out on a date, but she'll have to go through you first. You begin to sway your cock and take control of her personality, switching her through various fantasies and enjoying their lust for you. She makes a wonderful French Maid, Cheerleader, and Shy Nerd for you. You work her up into a horny mess then fuck her. Once you've had your fun you wipe her memory and send her off on her date. CN: Brief light flashes, POV, refers to viewer with he/him pronouns and implies viewer has a penis