Mari Takasugi stars in a full-length SM bondage training drama. Tired of her crumbling family and endless divorce proceedings, Mari decides to move in with her uncle. However, one night, her drunken uncle loses control and assaults her. From that moment on, daily training sessions begin... Despite everything, Mari clings to her once-loving feelings for her uncle and endures each session willingly. This film delivers a realistic and emotional story that deeply captures the pleasure of bondage and the intensity of training. A unique and compelling SM drama showcasing Mari Takasugi's powerful performance.