Four months have passed since Poppin'Party’s self-hosted live show. After an enjoyable summer break, the season has turned to autumn. Kasumi and the others continue their usual days— practicing in the storehouse, working part-time jobs, and attending student council. One day, at the live house Galaxy, they come across a certain poster. Meanwhile, a single invitation arrives for Rokka, who has been searching for her destined band members... A dazzling, heart-pounding stage is about to begin once more! With everyone together, we can shoot for any dream!