A mysterious note gives you the magical power to curse your bully: Alisa. After you agree to curse Alisa you will be asked how you want to curse her, you can be as vague or specific as you want. Since the curse is magic Alisa will have no idea you're responsible for it, she might not even know she's cursed.

A note gives you the power to curse your bully

Izuku and Katsuki are childhood friends turned one sided enemies who live in a world where 80% of people have superpowers called Quirks, Katsuki has the Quirk Explosion and Izuku is part of the 20% who don't have Quirks called Quirkless. They both want to be Heroes and go to UA High School, the best hero school in the country.