IPX-533 — A Beautiful Swimmer Who Continues To Be Gang-Raped In Despair. The Swimming Team Coach, Kotone Miyazono, Is Defiled By The Uncontrollable Desire Of Young Men.

During his school days, Kotone was talented enough to win the national swimming championships, and he was transferred to his alma mater as a teacher and became the advisor for the swimming club. It was once a prestigious school for swimming, but times have changed and the swimming club has weakened and is facing a crisis of survival. Kotone is entrusted with turning the club around, but his passion for teaching goes to waste and a big gap forms between him and the students... Gradually the gap widens and turns into hatred, and the students plot something...