You sneak into your step sister's room and she isn't wearing any panties. You take your dick out and start jerking it right in front of her and she threatens to call for your dad but you continue. You start rubbing your cock against her and she warns you how wrong what you're doing is, but you don't care! You want her pussy! You start fucking her and she's reluctant , but soon gives in and jumps on top of you! She tells you she isn't on birth control and makes you cum in her !