You see your step sister's boyfriend sneak out of the house while your parents are at work... remembering your bitchy, emo sister broke your game last week, you decide to use this against her and threaten to tell your parents... instead, she offers to do something for you in exchange for your silence. Your cock twitches thinking of the possibilities. She tells you that you and your fetish are gross, but you don't care. You pull your long, thick, throbbing cock out of your pants and let your sister service you...