Shiojiri, a young high school teacher who is friendly and popular among his students, is secretly an immoral teacher having inappropriate relationships with multiple female students behind the scenes. One day, Shiojiri is summoned behind the physical education shed in exchange for video evidence capturing one of his illicit encounters. Waiting for him there is a third-year female student named Hanako. The condition Hanako offers Shiojiri in exchange for deleting the video is a demand: "Strangle my neck"… An immoral suspense story of sickening yet pure love and hatred!!
