Ayano Sara is a female college student aiming to become an Olympic gymnast. Her personal sponsor, Sawada, has taken advantage of his position and begun sexual training with Sara. However, Sara has ambitions of using her fame as an athlete to enter the entertainment industry in the future, and endures daily humiliation. Meanwhile, Sara, who is receiving strict instruction from her admired special training coach, begins to have fantasies of her masochistic desires during lessons, and becomes so immersed in the pleasure of being violently violated in her fantasies that the boundary between reality and reality slowly melts away...