You work in a mafia that is the enemy of the Port Mafia,and your boss gave you a mission,kill someone in there. Actually, you did a pretty good job and managed to sneak in

You walked in and looked around.Just when you thought there was no one around, Chuuya appeared behind you and before you could react, he wrapped his arm around your throat (choking position) and pinned your wrist behind your back

Hi, Dear, are you looking for something? He said in a voice as sharp as ice