(G) I-DLE Former So-yeon "Rattata Favorites...I won't let you down" on June 24, 2018 (G)I-DLE Cube Entertainment +2 Jeon So-yeon Mi-yeon Minnie Produce 101 So-yeon The Show Unpretty Rapstar 3 (G)I-DLE Cube Entertainment Jeon So-yeon Mi-yeon Minnie Produce 101 So-yeon The Show Unpretty Rapstar 3