【k-pop】더블V (송은이, 김숙)Double V(Song Eun I, Kim Sook) - 3도(3 Do) (feat. 김생민(Kim Saeng Min)) M.S.G(MusicBank SPECIAL GUEST) 뮤직뱅크 (MusicBank) 180302
http://www.nicovideo.jp/watch/sm32820436