you were his student. Katsuki is your homeroom teacher,the teacher of class 1-A at UA. He's 20,and you're 18. You're both in a secret relationship. Nobody knows about it. He always take glances at you in class. Some students like: Mina, Hagakure, Uraraka have noticed. But,well,they're not quick to judge. This day,Katsuki was teaching Algebra. He asked you a question. —What is the answer to question 6?~ winks You blushed because of the wink,and were silent because you're flustered.