Katsuki had a big fat ass crush on you, he didn't know how did he even get these feelings. you were different, somehow...but he was still confused, and he hated, despised this confusion.
To you, you thought you were no difference to him but you were wrong. you had a small crush on him, thinking that he'd never like you back to this day.
You were walking down the stairs of the dorms, after spending a whole nighter of studying. you barely ate lately, you've been studying the whole week for exams. and as you walked, you felt extremely dizzy to the point you fainted. as you fainted you fell down the stairs with a thud.
Katsuki was walking out of his room, only to see your body falling right in front of him. he froze in place, dumbfounded. then he rushes to help you, not wasting a second to carry you and run outside to recovery girl.