A high school senior dreaming of becoming a king, he becomes Kamen Rider Zi-O to protect the space-time continuum from the Time Jackers. Initially fearing his destiny as the tyrannical Overlord of Time, he embraces it to defeat Swartz, then sacrifices his powers to create a peaceful new reality.
High school student destined to become the greatest Kamen Rider and ruler of time.
Shizuo Akemi meets novelist Rio Kijima after Rio injures his arm. Rio asks Shizuo to transcribe a story he is writing, and the request leads Rio to remember the beginnings of his relationship with Haruhiko Kuzumi. Shizuo's role in the plot is connected to helping Rio continue his writing while injured.
A mysterious figure who appears at the film's conclusion, teleporting Sento to another battlefield. He effortlessly destroys enemy monsters and introduces himself as Kamen Rider Zi-O, setting up a crossover event.
Protagonist of Zi-O, makes brief crossover appearance.
The legendary Demon King of the Heisei era who reset the timeline, reappearing as a Kamen Rider to assist in resolving a temporal crisis and bridging two eras.
Hayato is one of the boys competing for Kaori's affection. He spends time with her alongside the others, who make sure she eats and rests, and he is among those objecting to anyone kissing her during the school drama. His direct expression of affection helps Kaori understand that the boys' feelings are real and that avoiding a clear answer could hurt them.
Sougo is the central Rider whose investigation of an altered historical painting takes him and his friends to the time of Nobunaga Oda. He helps Nobunaga choose his own path and later stands with the Heisei Riders, insisting their shared history should be valued rather than erased.
So Okuno has 23 screen credits in a career dating back to 2018. Their work spans 2 cinematic universes — most prominently Kamen Rider Heisei Generations Series with 2 titles. Signature works include Kamen Rider Zi-O, Kamen Rider Heisei Generations Forever, Kamen Rider Zi-O: Final Stage. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 2 universes
