Koharu Suzuki was a serious and steadfast manager of the basketball team, trusted by all the players. However, her obedient nature was exploited, turning her into a sexual pet for the team members. Filled with relentless energy, the basketball players assault her daily, subjecting her to constant sexual harassment that she endures without resistance. In the club room, her pussy is fondled, urinated on, and used to satisfy the players' desires. The team captain and her classmates force her to acknowledge, "You're our personal sex slave now, and this stays a secret within the basketball team," leaving her helpless, drowning in sorrow and humiliation deep inside.