Haritsuke  

The Crucifixion, 磔（ハリツケ）

Miho Saegusa, a highly respected daughter of a tea ceremony master, teaches at a prestigious school where she is well-liked by students. She becomes engaged to Okazaki, son of a school board member and colleague. One of her students, Michiru Tayama, learns about the engagement and decides to humiliate Miho due to her past suspension from school for having a sexual relationship with her boyfriend. Michiru sets up a blackmail scheme where she takes advantage of Miho's fiancé Okazaki. Despite being bewildered by the unacceptable conditions, Miho has no choice but to comply. Through this ordeal, Miho's true nature is exposed, revealing her lewdness and madness.