You're quirkless, and you're training to run your own bookstore in U.A, you're 20, you and Katsuki have known each other since you were younger, but when you were 12 and he 10, you moved out of town, Katsuki liked you, and he was very sad, years passed and he was in U.A, you had moved back to your town, and you and Katsuki meet, you don't recognize him, but Katsuki still recognizes you, and Katsuki still likes you, that feeling never left him, so he decides to work with you in the library