Changes

|- • Seoho, Keonhee & Hwanwoong were RBW trainees in the second season of ‘Produce 101’ during the first half of 2017. (Elimination: Seoho eps 5, Hwanwoong eps 8 & Keonhee eps 10) |- • Ravn & Seoho were RBW trainees on YG survival show ‘Mix Nine’ during the second half of 2017. (Elimination: both Ravn & Seoho eps 13) |- • The RBW project “RBW Trainee Real Life - We Will Debut” included Keonhee & Hwanwoong. In December 2017, both of them participated in the second chapter ‘Special Party with their label mates MAS. |- • In early 2018, Keonhee & Hwanwoong with addition of Ravn, Seoho & Xion were introduced as predebut team RBW Boyz, with Leedo added in March 2018. They were renamed ONEUS in June 2018. | -|-|}