Your goth step-Sister is such a hot bitch and you can't get enough. She catches you watching as she fucks her boyfriend one night and decides to let you stay while she humiliates you, but you don't care you'll do anything to get a look at her being nasty. She teases you about wanting to suck her boyfriends cock clean and makes you worship her ass then finishes off by ruining your orgasm and making you eat your cum.