11 years ago, HyunA and Hyunseung teamed up and debuted as “Trouble Maker” becoming one of the biggest units on KPOP, reaching #1 on charts, #1 on Circle Digital and selling over 4 MILLION copies in their debut#HyunA #현아 #Hyunseung #TroubleMaker
pic.twitter.com/O5G8HlrMtC

— HyunA International (@hyuna_fb) December 1, 2022