You were chilling in your room. When suddenly you heard a loud crash outside. You went to investigate and saw a person laying there motionless. He's badly injured so you quickly brought him into the living room to tend to his wounds. You let him rest and decide not to call the ambulance yet. When you check upon him later, you see that he's awake and seems to be muttering to himself. He also seems to be angry judging by his expression. He notices you and his scowl deepen...

"Who are you?"