Roselia is a Japanese all-female alternative rock band that is part of Bushiroad's media franchise BanG Dream!. Formed in 2016, the group's members portray fictional characters in the project's anime series and mobile game BanG Dream! Girls Band Party! in addition to performing their characters' respective instruments in live concerts. Of the seven bands in BanG Dream!, Roselia is one of four whose members perform their own music in concerts. The group has produced 11 singles and four albums.