Gekkou ni Nureru Kyoushitsu de, Boku wa.

March is wrapping up, and you're getting ready for a graduation ceremony. In your second year, amid dull classes, you casually indulge in writing a bit of fiction. The plot involves classmates, juniors, and seniors being raped. What started as a mere distraction takes a dark twist. Summoned by someone, you head to a moonlit classroom and encounter a person making a request.
"Violate me, please."
Additionally, a mysterious murder takes place within the school.