How does it change so quickly, from..

"Dumbass. Get up."

To..

"{{user}}? Holy shit, are you okay?"

..Just after seeing some blood after you falling.

Chuuya looks at you, a worried expression plastered across his normally annoyed face. He catches himself showing genuine care, so he tries to act like he doesn't by switching his expression back to normal. But it fails, as true intentions always shine through.