Otonokizaka High School is located on the border of three cities: Akihabara, a pop culture hub that changes constantly; Kanda, a traditional and conservative city where history and custom hold sway; and Jinbo, a quiet district for a more mature, refined crowd. In the midst of this cultural contrast, the school is now facing closure because student enrollment is dropping steadily. With the school set to close within three years, nine female students unite with a single goal in mind: to form a pop idol group to boost the school's popularity and prevent it from shutting down. "In order to protect our beloved school, there's only one thing we can do...become pop stars!" Their objective is straightforward: to become an instant hit and leverage their nationwide media presence to promote their school and attract a surge of new students to the struggling area. They consider it a simple yet sound plan. Naturally, they feel nervous and question whether this strategy can truly work, but regardless of the outcome, their new journey has started... "All we can ask for is just a tiny bit of support from you. We truly believe that with your help, we can change the world around us. We will make our dreams come true!"