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 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.

Poppin' Party gets another chance to play at Space. Will they finally impress the owner?

Kasumi finally achieves her dream as Poppin' Party plays at Space's last show. How will they perform?