The action takes place in a prestigious female boarding school with a musical bias and many ridiculous regulations on the life of students, which was the basis for the criminal activities of the protagonist. Superintendent Kato Shuusaku - obviously, in his adolescence, like Ikari Shinji from NGE, he was also extremely notorious, did not find mutual understanding between people, it was especially bad with the opposite sex. With age, old grievances and complexes, not finding substitution, and also in the absence of success in life (career and personal), result in aggression towards adolescent girls. Such people are specifically looking for work related to access to children, and slide down the path of crime. Having hung hidden cameras in all the toilets, he records everything on videotapes. Absolutely impudent, began to seduce everyone. And with those who succumbed - he began to engage in all sorts of obscene things.