Through the activities of the school's beach volleyball club, Mana met her former coach Ikeda. Despite Ikeda being dismissed, Mana, who worshipped him as a leader, went to his house alone to seek volleyball guidance. However, Ikeda's coaching methods, stemming from his chaotic lifestyle, began to take a twisted turn... He repeatedly subjected Mana's vibrant and beautiful body to lewd acts, but Mana accepted them gladly, blossoming into a talent for masochistic perversion and seeking further pleasure...
