Tsuruta is a new teacher who has just been assigned to a certain school. She goes to visit her student's home, who is in trouble because of school refusal, but that is the beginning of the tragedy. When she visited her student's house, she was knocked unconscious by sleeping pills, and by the time she woke up, she was so tied up that she couldn't move. Kana who was raped not only by a man but also by a woman is made to blow a humiliating tide!
