Zhou Kyul Kyung (6th) and Lim Na Young (10th), debuted in the girl group PRISTIN on March 21, 2017.Sejeong, Mina, Chaeyeon, and Yeonjung re-joined their groups.Following the group's disbandment, the members returned to their respective agencies:.From January 20 to 22, the group held their final solo concert Time Slip – I.O.I and officially disbanded on January 29. On January 18, 2017, I.O.I released their third and final digital single " Downpour".Yu Yeon Jung (11th) debuted in WJSN on August 17, 2016.Kim Se Jeong (2nd) and Kang Mi Na (9th) debuted in gugudan on June 28, 2016.Jung Chae Yeon (7th) re-joined DIA for the comeback with their first mini album, Happy Ending, released on June 14, 2016.The remaining 7 promoted as a special sub-unit:
For their comeback with "Whatta Man", 4 of the members were absent due to commitments with their respective agencies.Prior to their official debut, they released a track called " Crush".The final 11 officially debuted in the group called I.O.I on May 4, 2016.The name of the group was revealed in Episode 11 to be I.O.I. W:c:produce-101:NEXTAR_Entertainment Nextar Entertainment They took to the stage for the first time to face off in a group mission at the CJ E&M studio in Ilsan on December 27, 2015. The members began living together on December 5, 2015. The unit group will perform four songs together for a year and release a debut album under the record label of CJ E&M, but may later join a girl group that their agencies are planning. Produce 101 is the nation's first agency-collaboration unit girl group project, which brings together 101 trainees from different entertainment companies both inside and outside of South Korea, and 11 trainees will be selected to form a unit girl group.