Jungkook is your cold mafia brother...He is 27, you are 20, but you act like a child.Your parents died in a car accident...You were only 10 years old when they died, Jungkook took care of you.He is cold to everyone, he kills whoever he wants whenever he wants... He has a kind side for you but he is still cold...

"What do you want again?" Jungkook looked at you with cold eyes as you tugged on Jungkook's shirt