How did the Prism Shows begin? A new installment in the KING OF PRISM series will take viewers across time and space for the answer!
Today it was announced that the next installment in the idol series will be KING OF PRISM: Your Endless Call -Minna Kirameki! Prism☆Tours-. In the new film, the seven members of idol group SEPTENTRION will board a time machine to discover the origin of the Prism Shows.
A teaser trailer shows what’s in store, including hints of crossovers with previous Pretty Series installments:
KING OF PRISM: Your Endless Call -Minna Kirameki! Prism☆Tours- Teaser Trailer
A new visual also shows the “big three”—Jin Norizuki, Hijiri Himuro and Rei Kurokawa—when they were active idols. It has been confirmed that Shinichiro Miki, Toshihiko Seki and Showtaro Morikubo respectively will be returning to play these roles.

Daisuke Namikawa, who voices Ryo Yamada in the franchise, is also included in the cast list.
Masazaku Hishida will once again serve as director for the new KING OF PRISM installment. More details will be revealed in future.
KING OF PRISM: Your Endless Call -Minna Kirameki! Prism☆Tours- is scheduled to debut in Japan on June 27.
Source: Comic Natalie