Mossimo Knight, caught off guard by his stepsister Roxy Day, finds himself in a compromising position as she playfully teases his throbbing cock. Unbeknownst to her, he's been fantasizing about her ass all day. As she grinds on him, Knight can't hold back, his dick slipping into her tight, waiting asshole. Roxy gasps in surprise but doesn't stop, riding him reverse cowgirl until he can't help but fill her up with his hot, creamy load.