Kim, Se-Jeong who became nation-wide big name after successful show 'Produce 101'. Completely unknown before the show, her sudden popularity surprised many including her&her family. Now she is about to start her career through project group 'ioi' which makes K-pop fans even more exited. K Pop, Outfits, Jung Chaeyeon, Kim Doyeon, Kim Sejeong, Choi Yoojung, Kpop Girls, Somi, Kpop