A high school girl living in a private house is about to take her entrance exams. Ignoring the guidance of her private tutors who only wish for her to get into her desired school, she remains absorbed in playing on her smartphone. She mocks their academic achievements and spews insults, provoking their patience. Unable to tolerate her attitude any longer, the tutors suddenly grab her by the neck. Choked unconscious, the girl wakes up in a dark room. There, mysterious masked men await her, taking turns strangling her—plunging her into repeated cycles of fainting and awakening. Each time she regains consciousness, her clothes are stripped away, leading her toward ever deeper experiences…