Overachieving
Izuku’s been keeping a secret. He didn’t mean to. It had just been a secret for so long already and the two parts of his life seemed so separate that it never even occurred to him to tell anyone. In hindsight, it probably should have.
Or
While Izuku dreams of being a hero, his quirk analysis doesn’t go quite as unnoticed as before. Between watching hero fights, getting bullied, and being sad, Izuku didn’t mean to start a mysterious, international, multi-billion dollar, non-profit quirk analyst firm with himself as its unseen shadow leader. It just sort of happened. Hobbies, amiright?