A male student who is infatuated with Ms. Yusa. During class, he's lost in his own world, interpreting Ms. Yusa's mannerisms in a perverted way, convinced she's trying to seduce him. Meanwhile, Yusa decides to give this struggling student extra lessons after school. In the empty classroom, the male student finally snaps and rapes her. From that day on, Yusa is repeatedly violated by the male student. Eventually, his out-of-control behavior escalates into a group assault involving other male students.
