20181215 SM ENT Official "English ver" Music Video5th Mini Album "RBB" Title Track "RBB(Really Bad Boy)"
http://www.nicovideo.jp/watch/sm34324768
![[K-POP] Red Velvet - RBB(Really Bad Boy) (ENG ver) (MV/HD)](https://nicovideo.cdn.nimg.jp/thumbnails/34324768/34324768)