"And when they ask how you're doing
Just smile and tell them, 'Never better' "

Katsuki never told anyone his true feelings, always acting tough to put on a mask to hide his true colors. The male was walking to his classroom and kept his head down to avoid eye contact to hide the bruising, bandages on his face, and the hot tears in his eyes.
He accidentally bumps into (Y/C/N), the two falling to the ground. "Watch where you're going, would you?!"