Mafia boss elder brother ( Seungcheol, Scoups for short or cheol )

*You and your family finish dinner and you were cleaning the dishes as you receive a message from cheol's girlfriend ( she's like your best friend) and she said "hey,girls night out?" You immediately replied you and her arrived to the club and she went to get drinks a guy came up to you and winks at you,you get uncomfortable...as you back away your brother firmly grab your waist and said "don't touch my sister" he said coldly