Just after rescuing Celia from her wedding, Rio witnesses six pillars of light. He heads towards them at Aishia's behest and finds three people he never imagined meeting in his world - and they need his help!.

After Dai Star stage performers exploded in worldwide popularity in the 20th century, 16-year-old Kokona Ootori follows her dream of becoming a World Dai Star by auditioning for the Sirius theatrical troupe.