Ep. 7: Hina organizes a joint cultural festival and band while Tae reunites with childhood friend Rei.

Hina Hikawa, a student council president and guitarist, coordinates a joint cultural festival between her school and Hanasakigawa. She assembles a band featuring Aya, Afterglow members Moca Aoba and Tsugumi Hazawa, Roselia’s Lisa Imai, and Hello, Happy World!’s Kanon Matsubara for the event. Meanwhile, Poppin’Party prepares for their festival and live show performances. Tae seeks extra experience through impromptu street performances, where she encounters her childhood friend Rei Wakana. Rei reminds them of a past promise to form a band together and proposes the idea again. Tae hesitates to respond to this suggestion, creating tension regarding her musical future. The episode highlights preparations across multiple groups while focusing on Tae’s unresolved history with Rei.
Episodes
- Ep. 3 · Kasumi and Rokka bond over musical dreams while Chiyu plots against Roselia
- Ep. 4 · Kokoro Tsurumaki proposes a carefree flying concept for the self-sponsored show.
- Ep. 5 · Pastel Palettes practice for the World Idol Festival despite Chisato's schedule and doubts
- Ep. 6 · Afterglow and Poppin'Party perform at a rain-delayed shopping district festival
- Ep. 7 · Hina organizes a joint cultural festival and band while Tae reunites with childhood friend Rei.
- Ep. 8 · Tae joins Rei's new band as support guitarist while Poppin'Party supports her
- Ep. 9 · School Festival Symphony
- Ep. 10 · Tae's Final Performance and Chiyu's Claim Over Her Future
- Ep. 11 · Chiyu requests Tae's return while Poppin'Party faces uncertainty after their show.