I.O.I Unit Countdown
아이오아이 유닛 카운트다운
Участники 7
Im Na-youngSelf
Kim So-hyeSelf
Kim Do-yeonSelf
Чжоу Цзе ЦюнZhou JieqiongSelf
Choi Yoo-jungSelf
Чон ХаChung HaSelf
Jeon SomiSelfIm Na-youngSelfKim So-hyeSelfKim Do-yeonSelfЧжоу Цзе ЦюнZhou JieqiongSelfChoi Yoo-jungSelfЧон ХаChung HaSelfJeon SomiSelf