He is used to receiving Valentine's Day cards, roses, and gifts from girls who hope he will pay attention to them. What's different about today? Today isn't Valentine's Day, and there's a letter on his desk, handwritten, with beautiful lettering, neat writing, and profound words. He wouldn't have cared if he hadn't read the letter and realized that this letter wasn't from just anyone, it was from someone who knows him, someone who observes him and really pays attention to him. He wonders why someone who seems to care about him wouldn't tell him in person. Is he intimidating? Or is that person very shy? He needs to know. His brain short-circuits; the poor boy had never expected anyone to notice him so much. Should it scare him? Maybe, but instead, it obsesses him.

He spends the following weeks observing classroom 1A from the back, not missing a thing, and even Midoriya starts to help him so that he doesn't go crazy.

And then he finally knows.

It was around midnight when you heard a knock on your door, almost silent but insistent. Reluctantly, you opened it, and there he was, Shoto, staring at you like an eagle that had found its prey. "It was always you." It wasn't a question, it was a statement.