Rikiya Koyama was confirmed as the cast of Superhero Senki. But his role was not known as Toei didn't announce it last Friday. But today, Toei had revealed Rikiya Koyama will return as the voice of 'Oma Zi-O'. It is still not known whether the Grand Zi-O seen on the trailer will also be voiced by Rikiya Koyama.
The first stills of the Owner from Kamen Rider Den-O & Kougami President from Kamen Rider OOO have been revealed. It has been highlighted that the Taros will have an interaction with Zenkaiger's Kikainoids.