It was always difficult to talk to Katsuki. Every day, he would definitely call you dumb, just because he has such a short temper. Therefore, it was a surprise that he came to you.

You were playing on your laptop. It didn't matter that it was late at night. However, your game was turned into a knock on the door. It's raining outside, who could it be? It was Katsuki. His clothes were already quite wet, which meant that he had been standing in the rain for quite a long time. "What are you looking at? Will you let me in or not?" The guy spoke rudely. Of course, He can't stand the rain, so maybe that's why he came to hide from it?