I.O.I

I.O.I (Korean: 아이오아이; also known as IOI or Ideal of Idol) is a South Korean girl group formed by CJ E&M through the 2016 reality show Produce 101 on Mnet. The group was composed of eleven members chosen from a pool of 101 trainees from various entertainment companies: Jeon So-mi, Kim Se-jeong, Choi Yoo-jung, Kim Chung-ha, Kim So-hye, Zhou Jieqiong, Jung Chae-yeon, Kim Do-yeon, Kang Mi-na, Lim Na-young, and Yoo Yeon-jung. I.O.I debuted on May 4, 2016, with the extended play (EP) Chrysalis and its single "Dream Girls", which became their first top-ten single on South Korea's Circle Digital Chart. They followed it with the sub-unit single "Whatta Man" in August, which peaked at number two on the chart.