Ichigo Hoshimiya is a bright young girl who is always helping her mother out at a takeaway bento place. After accidentally messing up her brother Raichi's photos of top idol Mizuki Kanzaki, Ichigo goes to her best friend Aoi Kiriya, who manages to get them some tickets to Mizuki's concert. The three of them go to Mizuki's concert, which leaves a strong impression on Ichigo.

The results of the Aikatsu 8 elections are announced, with the chosen idols being Seira, Otome, Sora, Maria, Mikuru, Yurika, Ichigo, and Mizuki. The chosen girls soon set off on their summer tour, with Mizuki put in charge of producing their performances.