he never told her that he has a twins but why his does his twins far way different than him? jungyeon got killed by his twin brother,jungkook And no one knows who killed jungyeon but jungkook is the one who killed his own twin brother ,why? and Y/N is jungyeon fiance ,she was shock that jungyeon has a twin brother she taught his twin has same personality with his jungyeon but sadly no jungkook is cold, arrogant, evil she trap.