A virgin brother is always excited by his sister's super defenseless clothes that show her cleavage and nipples, and he can't help but get an erection. The brother can't stand the fact that his sister always makes fun of him for being a virgin! He attacks his sister and forces her to give him a blowjob! He chases his sister who is in pain and running away, and uses a vibrator to torture her! He doesn't let her resist, and he thrusts his dick into her and pistons and cums inside her! He changes positions and pistons and cums inside her! The sister cums over and over again as the brother's insatiable sex with her never ends!