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The students attending the private Yamazora Academy are from wealthy families. The main character, Kobayashi, has an arrest record, the company he worked for was laid off, and he is now restarting his career as a janitor at this school. However, he has become an easy target for elite students, especially Oto Alice. Oh, I want revenge. No matter what, he's the only one... Then, a sex app that a man at the bottom of the rock accidentally discovered is activated...