Mana and Ikeda, the former coach, met through school beach volleyball club activities. Despite Ikeda's disciplinary dismissal, Mana, who worshiped him as a leader, went to the director's house alone and asked for volleyball instruction. However, Ikeda's teaching method, which led a rough life, progressed in a distorted direction. She repeats obscene acts on Mana's fresh and beautiful body, but Mana happily accepts it and blooms her transformation masochist talent, further seeking her pleasure.
