You walked in on your stepsis when she was wearing a pretty sexy outfit, and it got you thinking filthy thoughts. Her tits are barely hidden by that sheer mesh top, and that short skirt leaves little to the imagination. She's a little shy and embarrassed to voice it out loud, but she's been attracted to you for a long time. Maybe it would be wrong to actually fuck your stepsis... but surely it wouldn't be so bad to watch her? She was just about to masturbate, so she grabs her pink dildo and starts sucking it, showing you exactly how she would suck your cock. It turns her on so much that she starts to tease her wet pussy, rubbing her toy back and forth against her wet slit before she starts to fuck herself with it. She encourages you to stroke your cock too, which turns her on like crazy. She cums hard fucking herself while imagining how good your cock would feel inside her. Keywords: stepsister, stepsiblings, taboo, fantasy, roleplay, curvy, dildo fucking, dildo sucking, mutual masturbation, skirt, knee high socks, mesh shirt, naughty stepsis