2:03 BABYMONSTER - RUKA 'Astronaut In The Ocean + 멘붕' COVER (Clean Ver.) 2:01 BABYMONSTER (#7) - RUKA (Live Performance) 8:57 BABYMONSTER - Introducing RUKA 1:51 BABYMONSTER RUKA Astronout In The Ocean & MTBD Lyrics 2:26 BABYMONSTER - 2NE1 MASH UP (RUKA Ver.) 1:31 BABYMONSTER dance practice [Ruka is the best] 2:13 BABYMONSTER : 2NE1 MASHUP (PERFORMANCE VIDEO) CLEAN VER 1:32 BABYMONSTER - RUKAㅣCharacter Playlist 1:47 BABYMONSTER RUKA Feel Good & Gwola Lyrics