The musical features an all-new story, setting, and characters, and centers on students from two legendary schools in Hyogo and Osaka. Takizakura Girls Academy in Osaka has an idol club, with select members from its performing arts track, that it has successfully marketed into a brand. Tsubakisakuhana Girls High School in Hyogo boasts a stellar reputation in college acceptance rates. The daughters of both schools' respective chairpersons are rivals, and lead their respective schools' school idol club.