is a Japanese tokusatsu series that serves as the 33rd installment in the Kamen Rider franchise and the fourth entry in the Reiwa era.
Main characters Ace Ukiyo is a mysterious man who was born in the year 21 BCE as the son of a previous DGP navigator Mitsume and an unnamed previous , who acquired the ability to reincarnate from his subconscious need to find his mother. After competing in the first DGP and its subsequent tournaments, unaware of his parents' past involvements, he gained additional abilities and earned the title of Dezashin for his undefeated winning streak throughout his succeeding reincarnations across the centuries while attempting to wish for Mitsume's return so he can ask her why she granted him his initial ability. In the present, after losing his pet dog Constantine in a car accident and graduating from high school, Ace becomes a celebrity, referred to as the , after winning the "Daybreak" DGP and later makes DGP staff members Tsumuri and Girori part of his family after winning the "Encounter" DGP, intending to use the wish he will gain from winning the "Conspiracy" DGP to further infiltrate the organization and uncover the reason behind Mitsume's disappearance. As rules are put in place to limit him, his reincarnations come to light before Ace declares war on the DGP upon discovering what the tournament organizer Suel did to his parents. Ace manages to prevent Suel from erasing the world by fully awakening the power he inherited from his mother, becoming the and recreating the world based from his memory with everyone aware of the now absent DGP's existence. Ever since acquiring the power of the Boost Mark III Buckle, Ace prepares his death at the hands of Black Tsumuri, to revive himself as a god per Mitsume's tips, and properly destroys Suel, thereby erasing the DGP and restoring peace properly.
Utilizing the Desire Driver, Ace can transform into the fox-themed Kamen Rider Geats. While transformed, he wears the scarf. His primary Form Raise Buckles are Magnum and Boost, which allow him to assume and respectively. He can also use the Magnum and Boost Buckles at once to assume either or . Magnum Form first appears in the film Kamen Rider Revice the Movie: Battle Familia. During the "Conspiracy" DGP, Ace acquires a Fever Slot Buckle, which he can use alongside either the Magnum Buckle to assume or the Boost Buckle to assume . In both of these forms, his Geats Tail evolves into the golden . During the "Divergence" DGP, Ace acquires Kamen Rider Seeker's Powered Builder Buckle, which he can use either on its own to assume Powered Builder Form or alongside the Boost Buckle to assume . During the "Lamentation" DGP, Ace acquires the Boost Mark II Buckle, which he can use either on its own to assume the evolved or alongside Ziin's Laser Raise Riser to assume the hybrid . During the "Longing" DGP, Ace acquires the Boost Mark III Buckle, which he can use either in its one-piece state to assume the incomplete or as the two-piece Boost Mark IX Buckle to transform into his kitsune-themed final form; . During the events of the Hyper Battle DVD special Kamen Rider Geats: How Is It!? Desire Grand Prix Filled With Men, I Am Ouja!!, Ace acquires a Kamen Rider Ryuki-themed version of the V-Buckle Buckle, which allows him to assume .
Ace Ukiyo is portrayed by . As a child, Ace is portrayed by . Ace's five previous incarnations , , , , and are portrayed by unknown actors.
Four Aces The refers to the four iterations of Ace Ukiyo in the film Kamen Rider Geats the Movie: Four Aces and the Black Fox. As a result of Mela's machinations, Ace splits into four versions of himself, each representing one of his four key traits and thus losing the power of creation. Mela absorbs three of the clones to become Kamen Rider X Geats, forcing the remaining clone to fight against the former when his comrades are defeated.
As with the original Ace, his four split clones are also portrayed by Hideyoshi Kan.
: The clone who represents Ace's brute strength, though his lack of common sense means that he requires the help of others to guide him. : The clone who represents Ace's genius intellect, but at the cost of having motion sickness and poor physical fitness. : The clone who represents Ace's amazing luck, able to turn the probability of the situation to his favor. : The close who represents Ace's heart, bearing the strongest will despite being the weakest. He was left behind when Mela absorbed the other clones to become Kamen Rider X Geats. Despite being useless in the field, Ace tries to prevail and his resolve resonates with the rest of the DGP Riders to create the Geats Oneness ID Core, the Oneness Buckle, and the Kamen Rider Geats (Oneness Ver.) Ride Chemy Card. Using these items alongside the Boost Mark III Buckle, Ace can transform into an evolution of Geats IX known as , allowing him to compensate for the lack of his power of creation and fight on par with Kamen Rider X Geats.
Future Ace The white-haired version of Ace Ukiyo is his future self from 1,000 years later which appeared in the V-Cinema Kamen Rider Geats: Jyamato Awaking. Unable to prevent God Jyamato's uprising and losing his friends in the process, Ace becomes nihilistic and collaborates with the alternate Niramu to return to the past to prevent God Jyamato's reawakening, fighting against his former friends and present self in the process. However, as they were able to avert the crisis on their own, the future Ace became convinced to trust humans once again and returned to his original timeline.
The future Ace acquires the Dooms Geats Buckle, which allows him to transform into the sky fox-themed .
Being the Ace Ukiyo from the future, he is also portrayed by Hideyoshi Kan (簡 秀吉, Kan Hideyoshi).
Keiwa Sakurai is a passive and caring, albeit naive, job-hunting university student who lives with his older sister after their parents were killed during a previous DGP despite being civilians and joins the "Encounter" DGP in the hopes of achieving his desire of "world peace", which stems from his volunteer work at non-profit organizations and childhood dream of becoming a guardian ninja. Throughout his time in the tournament, he records himself via video phone to archive his experience in case he loses his memories, with Tsumuri allowing it after Keiwa assures her that they are intended for his eyes only, After sustaining injuries that cause him to be eliminated during the penultimate round of the tournament, Keiwa temporarily loses his motivation until he becomes forcibly involved in the "Conspiracy" DGP, where Ace helps him regain his memories while Girori provides him with a new Desire Driver from a retiring player. Following this, Keiwa competes to fulfill his new wish of reviving dead DGP players and gains a job at his favorite soba restaurant.
Following his encounter with Daiji Igarashi and Kagero during the events of the crossover film Kamen Rider Geats × Revice: Movie Battle Royale, Keiwa discovers he possesses a powerful inner demon who wants to maintain world peace despite sharing his host's internal struggle. Later, after Sara's supposed demise, his inner demon is able to possess him. Consumed by his inner demon's possession, Keiwa's granted wish during the second round of the "Creation" DGP goes horribly wrong, such as unknowingly reviving irredeemable criminals who died in previous tournaments with his recently revived family killed by Kamen Rider Tarbon. Until Ace temporarily sacrifice his own freedom to undoes Keiwa's mistaken wish, and had Daichi to make amends to make a serum to revive and free innocent casualties from the previous events, starting from Sara, allowing Keiwa to return to the righteous. After that, Keiwa decide to forgive Ace's mother and Michinaga for his misunderstanding as well Daichi. With the DGP erased at the cost of losing the memory of Ace's existence, Keiwa's wish for true world peace has been fulfilled, and he is currently studying for a job.
Utilizing the Desire Driver, Keiwa can transform into the tanuki-themed . While transformed, he wears the , which grants increased luck. His primary Form Raise Buckle is Ninja, which allows him to assume . During the "Conspiracy" DGP, Keiwa acquires a Fever Slot Buckle, which he can use alongside the Ninja Buckle to assume . In this form, his Tycoon Bandage evolves into the golden . During the "Creation" DGP, Keiwa acquires the Bujin Sword Buckle, which allows him to assume his eponymous final form. He can also replace its left-half with another Raise Buckle to assume a variant of his Bujin Sword form, such as via the Monster Buckle or via the Boost Buckle. Following his redemption after a redeemed Daichi revived Sara, his Bujin Sword form is purified into a fully red-eyed state. During the events of the web-exclusive special Geats Extra: Kamen Rider Tycoon Meets Kamen Rider Shinobi, Keiwa acquires the Shinobi Buckle, which allows him to assume .
Keiwa Sakurai and his inner demon are portrayed by .
Neon Kurama is the only stepdaughter of a wealthy and strict family led by her father, Kōsei, and a social media influencer who desires to find a decent lover who can help her live a normal life peacefully. She is later revealed to have been wished into existence by Kōsei in the form of the Kurama family's biological daughter , who was kidnapped and killed by Kazuo Numabukuro, amidst his failed ransom attempt years prior. Due to what happened, Neon is protected by foreign bodyguards hired by her abusive mother Irumi. Following her participation in the "Encounter" DGP, Neon returns to being her parents' subservient daughter until Kōsei allows her to compete in subsequent tournaments, during which she learns of her family's connection to the organization and her origins before she is encouraged by her supporter, Kyuun, to overcome her past and move forward to honor Akari's memory. During the "Creation" DGP, Neon reconciles with her stepparents, and temporarily loses her first and only best friend, Sara until a redeemed Daichi revives her. With the DGP erased at the cost of losing the memory of Ace's existence, Neon is joined by Kyuun, who is now her producer for her streaming shows.
Utilizing the Desire Driver, Neon can transform into the black cat-themed . While transformed, she wears a pair of , which grant superhuman strength. Her primary Form Raise Buckle is Beat, which allows her to assume . During the "Conspiracy" DGP, Neon acquires a Fever Slot Buckle, which she can use alongside the Beat Buckle to assume . In this form, her Na-Go Bangles evolve into the golden . During the "Creation" DGP, Neon acquires the Fantasy Buckle, which allows her to assume .
Neon Kurama is portrayed by . As a child, Neon is portrayed by , who also portrays Akari.
Michinaga Azuma