Toei had registered the trademark for their next Kamen Rider → Kamen Rider Zero-One. The name is based on the New Era "Reiwa". Reiwa's Rei sounds similar to the word Zero "Rei" (零). Reiwa's Wa is made as "One" (Wan). I wonder the second will be called Zero-Two.
Videos by Cast
Sougo Doing Push Ups During the Filming of Zi-O
Seiji Takaiwa Taking Break During Filming of Zi-O
Eitoku doing Push Ups during Filming of Zi-O