Longtime companions Mirai Momoyama and Emo Moegi are first‑year middle schoolers. They create a channel on Pri☆Chan to pursue idol dreams, and together with classmate Rinka Aoba they visit their beloved Prism Stone Shop. The trio suddenly steps into another realm, discovering the PriPara World…!? Can Mirai, Emo, and Rinka safely return to their own world? Their hearts beat with excitement as they anticipate the challenges ahead. They whisper hopes of performances and joyful friendships. Now the dream stage is about to commence!