Choo Sarang was on a roll with Korean children's songs during filming for the upcoming episode of KBS 2TV's 'Superman is Back'!

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After mastering "Bicycle" and "Butterfly", Sarang sang a new song, "Rock-Paper-Scissors", showing how articulate she is in Korean now. She also performed the cute choreography for the song, which brought smiles to her teacher and father.

Choo Sung Hoon complimented her, saying, "That's right~ Aigoo, you're doing well."

Stay tuned for Choo Sarang's song parade this Sunday at 4:50 PM KST!