In middle school, Sado Taro developed a masochistic inclination after being punched by his classmate Yuno Arashiko. Transitioning to high school with his friend Tatsukichi, Taro aims to shed this unconventional desire for a normal teenage existence. Encountering the Number Two Volunteer Club led by the fierce and domineering Isurugi Mio, who ignites conflicting emotions in him, Taro seeks their aid in overcoming his predicament. Little does he realize that by soliciting Mio's assistance, his life is bound to embark on a tumultuous journey of self-discovery.