The young ladies of the lady school throw off their 'decorum' and become idols! A story of growth for two girls: a popular idol and a former idol!! Top idol. This refers to the idol who wins the "Ultimate Championship" held once a year. Himemiya Sakurako, a girl who once enjoyed immense popularity but saw her idol dreams crushed, and Wakana Arumi, a rookie idol who steadily performs without an agency. When these two meet at the lady school where young ladies attend, aiming to become top idols, a fierce battle begins, risking everything in singing, dancing, visuals, and charisma...!!