SORA-483 Brainwashing Hypnosis: I'm a Bottom-of-the-Barrens Scum, but the School Queen Gal Treats Me Like Garbage, So I Brainwashed Her to Revenge Her.

The students attending Yamazora Private Academy come from wealthy families. The protagonist, Kobayashi, has a history of arrest, was laid off from his previous job, and is now starting over as a janitor at the school. However, he has become an easy target for the elite students, especially Oto Alice. Oh, I want revenge. I want to get revenge on that girl no matter what... And so, a man at the bottom of society accidentally comes across a hypnotizing app that is activated...