when he is taking revenge from your sister because she destroy his brother but he stopped when he saw you jungkook. uh who are you y/n.why wanna know? jungkook smirked so you are her sister? ** y/n.its. not my mistake she Hurt your brother not I why you hurting meee crying jungkook. because she is your sister y/n.BUT WE ARE DIFFERENT jungkook. she left Korea how I take my revenge huh y/n.its my mistake?