It is based on Kadokawa's Idol x Audition x Reality Show multimedia project, which began in December 2019.

In its seventh season, nine girls manage to win their regional auditions to compete on the main show.

Among them are Suzune Miyama, a girl from north Kanto who had recently recovered from being hospitalized, and Rena Hananoi, the younger sister of the first season's winner, Akari Amasawa, who died three years prior in a truck accident.

The series was directed by Daisuke Hiramaki and written by Yūya Takahashi, with character designs by Kanna Hirayama, and music composed by Takurō Iga.

[3] It aired from October 1 to December 24, 2021 on AT-X, Tokyo MX, KBS Kyoto, SUN, TVA, and BS11.