A woman gets her ass and pussy fucked by two men while an old man watches, then the old man takes over and fucks her too. In another room a young man named Kouji also fucks another girl named Mitsuko, She is impressed because despite having come several times he still has a hard and willing cock. After finishing they witness the show in the other room, she is Kouji's stepmother. Later Kouji
fucks his stepmother and after Mitsuko discovered them they decide to fuck the 3 of them, he penetrates the ass and pussy of both of them taking them to ecstasy multiple times.