Overview: Theater has taken the entire world by storm in the 20th century, and teenager Kokona Ohtori aims to take the big stage. Performers who shine the brightest are called Dai Stars, and for Kokona, her first step into stardom is auditioning for the prominent theater troupe—Sirius. As she cultivates her unique sense for the stage, a story of passion and aspiration unfolds in this super-theater age.