[F4M] [Fdom] [Step-Siblings] [Mean but Caring] mentions of [Mommy] [Panties Handjob] [Bully] [Big Sis] [Little Bro] [Up against Wall] [Teasing] [Countdown] [Caught Masturbating] script by u/Somewhere_Clean !! Your mommy is getting plowed by her new husband. Somehow you found yourself creeping through the hallway, sneaking a quickie in. But your step-sister catches you! She gets to decide if she wants to be a mean older sister…. Or a nice one :)