The first film adaptation of popular mobile game, BanG Dream! Girls Band Party, will bring the five bands of the franchise together into a most highly-anticipated concert. The movie features Poppin' Party of Hanasakigawa Girls High School, rock band Afterglow formed by five childhood friends, idol band Pastel*Palettes formed by a talent agency, popular powerhouse rock band Roselia, and Hello, Happy World, a band formed with a goal to bring melodies to make people smile!