Red Velvet Really Bad Boy RBB Irene Joy Seulgi Yeri Wendy4K / 3840x2160Red Velvet, Really Bad Boy, RBB, Irene (Bae Joo-hyun), Joy (Park Soo-young), Seulgi (Kang Seul-gi), Yeri (Kim Ye-rim), Wendy (Son Seung-wan)S7824