The ever-changing stage weaves the lives of Seisho Music Academy's performing arts students together as they relentlessly develop their talent. However, as the girls prepare for a re-enactment of the previous year's performance, the carefree Karen Aijou begins to settle for a smaller part. However, the reappearance of her childhood friend Hikari Kagura, whose abrupt move to the academy causes a flurry of changes in the class dynamics, reignites her dwindling love.