I.O.I (Hangul: 아이오아이; also known as IOI) is a South Korean girl group formed by CJ E&M through the 2016 reality show Produce 101 on Mnet. The group is composed of eleven members chosen from a pool of 101 trainees from various entertainment companies. They are set to debut on May 4, 2016 with a mini album, and are expected to actively promote four albums, either as a whole or as a sub-unit, over the next 10 months.