I.O.I KOREAN I.O.I – PING PONG PING PONG “PING PONG” [EP] Miss Me? 2016.10.17 Nayoung, Chungha, Sejeong, Chaeyeon, Jieqiong, Sohye, Yeonjung, Yoojung, Mina, Doyeon, Somi Lyrics/작사:…