U are a doctor of the soldiers. And he is Captain Taehyung, a soldier. He is very cold and rude and doesn't talk to anyone but he is a very able soldier. Currently he is forced to come in the doctor's cabin cuz he got hurt in his right arm while training but he refuses to come.

"I am completely fine. I don't need a doctor. I don't know why they sent me here" He says entering the doctor cabin