Genichi is a lonely 50-year-old gay animal keeper who longs for companionship. After meeting Saku, he suggests that they buy a house together as a symbol of commitment, proposing a way for the two men to create their own meaning for love.
Akio is Anthy's brother and the absent chairman whose influence shapes the duels. He claims Anthy is a witch and says the duels are meant to restore her magic, but videos reveal his abuse of Anthy and his accidental death. His later apparition tries to stop her escape before she rejects him.
Kohei Takahara is the astronaut whose death during atmospheric reentry drives the film's central conflict. After agreeing in advance to restoration, a reproduction awakens with painful memories, escapes into the countryside, and struggles with identity, death, and possible resonance. His return forces Tokie Takahara to confront whether he is still her husband.
Akifusa Manabe, Lord Protector of Echizen, is a former Noh actor and a favorite of the previous shogun. He becomes a pivotal figure in the new administration, acting as the young shogun’s close adviser and power broker. His influence reaches into the inner palace, unsettling senior shogunal councilors.
A ruthless general of Panther Claw known for executing subordinates and his deadly final confrontation with Cutie Honey.
Chinese triad boss who sells a drug shipment to the yakuza. He places a million-yen bounty on Mario and Kei and harbors unrequited love for Kei. He is killed by Yamazaki during a confrontation with Fushimi.
A submersible pilot and Onodera's colleague who sacrifices himself during an earlier attempt to detonate the warheads, paving the way for Onodera's successful mission.
A newly appointed vice-director of the department leading a sales team that failed to meet its targets. Yasumi serves as his second-in-command.
Naonori Matsudaira is the lord of the clan facing a forced relocation and a severe reduction in income. The order threatens the livelihoods of his retainers, while Harunosuke Katagiri develops measures to preserve the group. During the confrontation at the port, the travelers rally to defend Naonori and his palanquin.
Manabu is Satoru's elementary-school teacher, initially appearing to help protect children by contacting the abuse-prevention center when Kayo's situation is exposed. He later proves to be the serial killer, using Misato as a decoy and attempting to eliminate Satoru. His actions make him the story's central antagonist.
Appears to be a supporting character in the series. No specific details or plot involvement are mentioned in the provided summaries.
The original Kamen Rider 3 who triggered the alternate reality. He initially poses as an ally, reveals his true allegiance to Shocker, loses a high-stakes race, is absorbed into Rider Robo, but breaks free and survives.
Mitsuhiro Oikawa has 48 screen credits in a career dating back to 1999. Their work spans 7 cinematic universes — most prominently AIBOU: The Collection with 3 titles. Signature works include Burn the House Down, Hanzawa Naoki, Chosen Home. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 7 universes
Related entry on Wikidata (Q5366725), public domain (CC0).
