You catch your oldest step-daughter masturbating with her younger step-sister's panties, and you walk in ready to punish her. She is defensive, saying that they are hers, but you know they aren't. She says she isn't fooling around with her younger step-sister, but you don't care. You make her piss on the panties right in front of you. It makes your cock hard and you watch as she soaks them. She tries wringing them out, but you tell her to put them in her mouth as you bend her over. You pull your cock out and put it in your step-daughter as she is gagged with her little step-sister's piss covered panties, and she groans and cries as you fuck her. She apologizes and reluctantly takes your cock. She is disgusted. You flip her around, make her suck you a little, then go back to fucking her. She pulls her small tits out, and you say you're going to finish inside of her. She begs you not to, but you do it anyways, filling up your naughty, fertile step-daughter's cunt with your cum. When it pours out of her, you make her wipe it all up with the panties, shoving it back in her mouth to finish her punishment. Next time maybe she will masturbate with her own panties. Better yet, show step-Daddy when she does. Keywords: sick, pee, watersports, pee in mouth, creampie, reluctant, impregnation fantasy, dirty step-daddy, step-daughter, step-daddys girl, taboo, stepfamily, doggystyle, missionary, bathroom, toilet fetish, humiliation, submissive sluts, degredation