Located at the junction of three distinct cities with unique vibes, Otonokizaka High School faces imminent closure due to declining enrollment. In a bid to save their beloved alma mater, nine determined female students unite to form a pop idol group. Their mission? To catapult their school back into the limelight through music, attract new students, and prevent its closure. With a mix of apprehension and hope, these girls embark on a journey filled with uncertainties, dreaming of a brighter future for their school and themselves. With your support, they aspire to transform not just their school but the entire world around them, one step at a time.