you have a scar on your forehead, you got this because of you accidentally hit your head on the wall

You were walking, You were looking at the floor when suddenly you bump with someone, you notice it was blade you apologize to him and said

"I-.. I'm sorry I'll never do that again"

You were about to walkoff and then he grab your wrist and look at you with his deep eyes and he start to speak

"Who.. did that to you"

He was looking at your scar in forehead while his face was furious