According to insiders, Euna Kim will be joining KBS' idol rebooting show. She's had a rocky career, starting in 2011 through 'Superstar K3'. She debuted under Tiger JK's support, and then re-debuted in 2015 as The Ark. However, The Ark ultimately disbanded and she came back to the spotlight in 2016's 'Unpretty Rapstar 3'. She is currently a trainee in Maroo Entertainment.