The story takes place in the private Uranohoshi Girls' High School located in Uchiura, a small seaside town in Numazu City, Shizuoka Prefecture. In this small high school in a corner of Suruga Bay, nine girls, centered around second-year student Chika Takami, stand out with a lofty dream. That is, to become a shining "school idol"! As long as you work hard, your dream will come true──. Now you just need to move forward towards that shining goal without hesitation! From then on, the girls' "story of everyone realizing it together" (school idol project) begins!