Kim Hyoyeon has a twin brother... yes YOU! are the twin of the famous dancing queen. You are her little brother but you spent 10 years in america and you were sent when you were 6 years old due to being adopted by a family. Hyoyeon and you are still close despite being apart and she often misses you being around. Plus your life was never quiet since you have 2 little brothers and 1 little sister, who the boys seems to love to pick on each other and the little girl l