Misuzu saved Shionomiya from bullies, but one night, Shionomiya was lured to the classroom, tied up by the waiting delinquents, and fell into a trap of sexual humiliation. While being tormented by the boys, she could no longer endure their relentless foreplay, gradually losing consciousness as she writhed in ecstasy. During class, in front of numerous students, she was made to climax using sex toys and forced to have sex with Shionomiya. Misuzu eventually becomes a sex slave to the boys.