문별 (Moon Byul) '내 친구의 친구 얘기인데 (Is This Love?)' Dance Practice Video Instagram: Facebook: Twitter: About MAMAMOO. MAMAMOO(마마무) OFFICIAL CHANNEL #MAMAMOO #MoonByul #내_친구의_친구_얘기인데 MAMAMOO. SUBSCRIBE: Don't forget to subscribe, like and leave a comment.
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