When Maina, a high school girl, wakes up to sexuality, she notices that her propensity is strongly attracted to abnormal stimuli, and confesses to a maniac she met on SNS and begins to receive training. However, Kato, the homeroom teacher who has been eyeing the beautiful girl Maina for a long time, saw her subtle changes and took action to make her his own. Innocent body that delights in the sadistic sex training, pure features and a masochistic beast lurking in the back of the thighs.
