Beginning June 5, 2015, MBC Plus Media began teasing members of the show's cast, releasing a new member's identity every few days and eventually releasing a video trailer for the show as a whole.
The show is hosted by Defconn, Jang Su-won, and Boom and features Yerin (GFriend), Dahye (BESTie), Alice (Hello Venus), Solbin (LABOUM), Sihyun (SPICA), Daye (Berry Good), Jisoo (TAHITI), Minhee (STELLAR), Jei (Fiestar), and Daeun (2EYES) [REF].