beautiful sister and virgin brother bet big money on a rock-paper-scissors match. "there's no way i could get excited over my sister!" he says, but his virgin cock throbs hard as he sees her naked body. his sister also blushes and gets aroused by his huge cock. their reason flies out the window as they have intense incest sex. his sister becomes addicted to his virgin cock and begs for another round after creampie. she rides him hard, making it an unforgettable erotic day for the both of them.