Your sister is a total slut and tonight she's going to give it to you. She comes home after doing whatever the hell she's been doing and proposes that she get it on with you. At first you are shocked by her idea but she's a sexy slut and she does some convincing. Soon you are eating her pussy, sucking her tits, having your cock sucked, and then she rides you in reverse and you fuck her missionary. When you're about to cum you put it in her mouth and spill your seed.