Kohane Azusawa, An Shiraishi, Akito Shinonome and Toya Aoyagi are members of Vivid Bad Squad. Kohane is the leader of the group. The female members are Kohane and An, they are the Vivids while the male members are Akito and Toya, they are called BAD DOGS. The virtual singers are Hatsune Miku, Kagamine Rin and Len, Megurine Luka, MEIKO and KAITO. The four often visit Street SEKAI.