12 years ago, the Daybreak Town Accident changed the world and brought forth a new prosperity towards artificial intelligence. But what if that were to all change? Sougo Tokiwa gave up his conquest for power after he chose to reset the world and live a mundane life. However as a Time Jacker began to alter history once again, Sougo is forced to take up the mantle as Kamen Rider Zi-O once again, as he meets Aruto Hiden, the native Rider of the world he has to save. This is the story of two Kamen Riders from two different worlds, whose fight together will ultimately determine the fate of all reality.
Fumiya Takahashi
So Okuno
Ryutaro Okada
Noa Tsurushima
Hiroe Igeta
Gaku Oshida
Shieri Ohata
Keisuke Watanabe
Kazuya Kojima
Koji Yamamoto
Soko Wada
Rina Ikoma
Tokuma Nishioka
Daisuke Nakagawa
Shuya Sunagawa
Asumi Narita
Arata Saeki
Goro Yoshida
Shogo Teramoto
Haruto Nakano
Shin Nagahama
Terumi Hiraiwa
Yuka Yoshimura
Koji Ishii
Ryuji Kasahara
Hayato Takenaka
Yuuki Shiomi
Tom Constantine
Gaimon
Fumina Suzuki
Yurika Hashimoto
Yusuke Sano
Takayuki Satou
Ryō Terasawa
Happy Endo
Kenji Hada
Koichi Wakui
Zenta Umegaki
Yūji Takahata
Yuzu Ōhira
Yoshiyuki Yamada
Tomoko Kitano
Akira Shinomiya
Nachi Sakuragi
Maynard Plant
Blaise Plant