Mana and Ikeda, the former coach of the school's beach volleyball club, get to know each other through the club's activities. Despite Ikeda's disciplinary dismissal, Mana, who worshipped Ikeda as a leader, went to the coach's house alone and asked him to teach her volleyball. However, Ikeda's coaching methods, which had been distorted by his rough life, took a turn for the worse.... Ikeda repeatedly commits indecent acts on Mana's fresh and beautiful body, but Mana accepts them willingly, and her perverted masochistic talent blossoms as she seeks more and more pleasure...