After entering the circle of top idols, Aine and Mio are very active in their Aikatsu! activities. Suddenly, rookie reporter Mamiko Habara aims to get the scoop on those two! And the two display their Friends' Power without any problem, even if they were going against the paparazzi. During that time, the precious truth that Aine and Mio realized is...?

Coco, who has been supporting the idols so far, develops the dream of wanting to do Aikatsu! without even realizing. Aine and her friends who agree to help Coco out use a special device to enter Coco's world.... And everyone does Aikatsu! activities together. However aftewards, an unthinkable situation comes up!?