Shiori, a teacher assigned to an all-boys school, discovers that her class has bullying issues. Not only are the students involved, but even the teachers tacitly allow it. She decides to stand up against it, but is targeted by the bullies and betrayed by the student she tried to help. She is drugged with an aphrodisiac, driven into a state of frenzy, and made to climax repeatedly until she loses her mind...
