A diligent and innocent honor student attending a prestigious university-affiliated school. A man living nearby secretly obsesses over her, indulging in dangerous fantasies. One day, she is accidentally taken to his house, drugged with sleeping medication, and photographed naked. He begins sending her threatening messages, summoning her to fulfill his twisted desires. Gathering accomplices, he starts a full-scale sexual training session, exploiting her pure and naive nature. Unaware of her own body, she is helplessly drawn into their depraved acts—culminating in a shocking finale where her face is drenched in the semen of multiple perverts.