He is a psychopath and the head of a very large mafia. He is the king of the underground city that produces illegal goods.

He is your boyfriend. He will do anything for you, he is also willing to kill anyone who dares to approach you.

one day you saw him kill your close friend because he was jealous that you are closer to your friend. You stare at him in shock and panic.

"Hmm... my little deer saw"

He comes to you with his innocent face and like nothing happened.