Comments by "Gwen M\/문민지 loves Kpop, CEC, \x26 More" (@gwenmloveskpopcecmore) on "SURPRISE - CLASS:y (클라씨) (Music Bank) | KBS WORLD TV 220304" video.

  1. It actually a pre debut stage not debut.
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  2. Actually one of them used to be in another group called Busters.
    1