One day, as she’s still adjusting to her new high school, Kasumi Toyama discovers a trail of stars that leads her to an old thrift store. Inside, she makes a discovery.

Kasumi's heart is set on forming a band, but Arisa wants nothing do with it. In fact, Arisa is so determined to avoid her that she puts the star-shaped guitar up for auction.

Kasumi starts staying after school to take guitar lessons from Tae. Meanwhile, Arisa seems to have a problem with all the time they are spending together.

Kasumi, Tae, and friends are preparing for their first performance. Are they going to be ready in time?

The OVA features the girls from Poppin'Party and Roselia at the beach.

A new school year begins for Kasumi and the rest of Poppin’Party. But the music scene never rests, and neither do the other bands in town!

Poppin’Party reflects on Yukina’s blunt words and decide that improvements are in order. Later, Kasumi and Rokka get to know each other better.

Pastel*Palettes are performing at the World Idol Festival! They absolutely, positively cannot afford to mess this one up. No pressure...

Hina’s proposing a double culture festival between two schools? And it just so happens that PoPiPa’s first anniversary is coming up, too? What a great idea!

The fate of the band hangs in the balance — but no matter how far apart they may be, Poppin’Party are still Poppin’Party.