The students at Haneoka Girls' High School and Hanasakigawa Girls' High School hold their joint cultural festival with each class running their own booths. Meanwhile, Tae continues practicing with RAISE A SUILEN in preparation for their first live shows.
Three months after Poppin'Party's self-sponsored live show, the local live house owners, including CiRCLE's Marina Tsukishima, organize the BanG Dream Girls Band Challenge, a tournament with the final taking place at the Nippon Budokan.
Getting back together after the joint cultural festival, Poppin'Party go around and thank members of other bands and Rokka for covering them during the concert.
Poppin'Party practice and prepare for their live show at the Galaxy live house, also continuing to refine Tae's new song. Other bands accept Poppin'Party's invitation to perform at their live house, providing their set lists.