A diligent female teacher, fearful of her students' gazes, falls into a trap set by delinquents after trying to help a bullied student. Trapped alone in the school, she is forcibly restrained and brutally raped. Yielding to the thugs' threats, she becomes their sex toy, subjected to vibrator play even during class. Humiliated in front of a crowd of students, she lets out lewd moans. Unable to endure the intense assault from their youthful bodies, she gradually writhes in agony yet surrenders herself to the pleasure.