Krissy Knight, the busty blonde stepsister, finds herself in a compromising situation after losing a bet to her stepbrother Allen. She kneels before him, her big tits pressed against his legs, and takes his cock into her mouth, swirling her tongue around the head. Allen's hands find their way to her thick ass, squeezing it as he fucks her face. He bends her over the couch, her big ass in the air, and slams into her tight pussy from behind. Krissy's moans fill the room as Allen's hips smack against her ass, driving him deeper inside her. He flips her onto her back, spreading her legs wide, and fucks her missionary, his cock glistening with her juices. As he feels his orgasm approaching, he pulls out and spills his load onto her stomach, leaving Krissy marked with her defeat.