Hatanaka, a former swimming club manager, and his student Makoto met through school club activities. Despite Hatanaka being dismissed as a disciplinary position six months ago, Makoto, who worshiped Hatanaka as a leader, rushed over to Hatanaka's house to ask for guidance. However, Hatana's guidance, which had been living a rough life, went in a distorted direction... In front of her strong, trained true body, Hatanaka repeatedly commits obscene acts called training, but Makoto is willing to accept such actions and develops her masochistic talent...