The cheating man is having two affairs with two girls... and they are both girls with cocks! He enjoys reverse anal sex with Mari, a slutty technician, and makes Kaname, a perverted masochist, pee with forceful anal sex... The man, who wanted to do it at the same time, introduces the two to each other... and they realize the dream threesome where the tomboy and the NH attack his dick and asshole at the same time! The two, who were fighting over the cheating man, eventually develop a friendship and love each other's anal, resulting in an explosive ejaculation!