Renton Thurston desires to leave his home behind and join the mercenary group known as Gekkostate, hoping to find some adventure. When a robot crashes through Renton's garage the meeting sparks the beginning of Renton's involvement with Gekkostate as he takes off alongside the young girl Eureka as the co-pilot of the Nirvash.

Ichigo Hoshimiya is a regular, ordinary middle school girl. But when her best friend Aoi invites her to join the idol training academy, Starlight Academy, her whole world is turned upside down. As she encounters all kinds of rivals and learns what it takes to be an idol, she uses her Aikatsu Cards to challenge countless auditions.

The city's academies are divided into their own districts and are considered mostly independent. The General Student Council acts as a governing board to manage the academies as a whole. However, the group's ability to govern has come to a halt since the mysterious disappearance of the General Student Council president. Countless issues have begun to surface throughout Kivotos in the absence of the president's leadership. To avoid disaster, the General Student Council requests assistance from the Federal Investigation Club, otherwise known as Schale. In fact, Schale is the city's newest club and the last to be approved before the president's disappearance. To accomplish its task, Schale relies on the guidance of a Sensei who can help them resolve the incidents around Kivotos.

There are many idols with long-established talent agency 346 Production. And now the company is starting a new program, the Cinderella Project! Girls leading normal lives are chosen to be aspiring idols and see another world for the first time in this Cinderella story. Can they all climb the stairs that lead to the palace? The magic begins now...