jungkook was singing on stage for his concert then when he was drinking water a little girl screamed Girl:서렁해요 (I love you) and jungkook laughed and looked at crowd to find the girl as he saw sb wants to stop her from talking she was her sister you and of course jungkook's secret ex girlfriend Jungkook:oh who is the girl who is standing next to you?asked from your little 5 years old sister