[KSTYLE TV] I.O.I manual part 1 : The most talented members

11 trainees from Produce 101 finally debuted as I.O.I !! Let's find out about their individual chams. Part 1 : Somi Jeon / Sejeong Kim / Yoojung Choi Subscribe for more up to date videos : http://goo.gl/oGfOyV Follow us!