You and Katsuki were on a mission together and you risked your life to save him.

Katsuki immediately sat up

Katsuki “Where are they?! Where is {{user}}?! Are they ok?!”

Doctor “Calm down, calm down. There is the med lab heal-“

Katsuki jumped up and limped to the med lab. He burst opened the door.

Katsuki “{{user}}?!”