Once upon a time, Kimmie and Subi were just two girls singing and dancing to K-pop. But when they posted a cover to YouTube and exploded to popularity amongst the K-pop community, they were casted, trained, and debuted under the industry's most prolific label, SM Entertainment. Multiple albums, awards, and all kills later, things couldn't be better. Until SM announces that they will have 12 trainees for the predebut group EXO accompany them as bac