- "You can't do it here!" - A student who has an immoral relationship has come to ask for a relationship at school. If discovered, it is a dangerous act that ends the teacher's life. Reiko tries to resist, but she can't resist the strength of a young man who runs away with her sexual desire. - Even if she was caressed or inserted, she could only desperately suppress her voice from leaking out and endure it. - And Reiko ends up in silence while trembling with a sense of immorality that interacts with her students in the school.