is a Japanese tokusatsu series that serves as the 11th entry in the Kamen Rider franchise and the second entry in the Heisei era. It is also served as an indirect sequel to Kamen Rider Kuuga.
is the series protagonist. He suffers from amnesia and uses the name from a letter found in his possession. Living with the Misugi family, he performs household chores. Despite his amnesia, he typically displays an optimistic personality and has a fondness for gardening, cooking, and dad jokes. He later remembers that his true identity is , a former culinary school student, with his current alias actually being the name of his late sister's boyfriend. After the Overlord's defeat, Shouichi opens a restaurant named after his Rider identity. Years later, during the events of Kamen Rider Zi-O, Restaurant Agito has become a franchise. Shouichi personally manages a location in Paris, France.
Utilizing the belt, Shouichi can transform into Kamen Rider Agito, a powerful warrior whose abilities evolve through the embedded in his chest. His personal vehicle is the motorcycle, converted from his Honda VTR1000F, which can assume an alternate hoverboard-like . As Kamen Rider Agito, much like his predecessor Kamen Rider Kuuga, Shouichi can assume different colored forms, which are as follows:
Shouichi also wears the Kamen Rider G3-X suit on one occasion, successfully proving its effectiveness against the Unknown. During the events of Kamen Rider Zi-O, Shouichi briefly dons a mass-produced Kamen Rider G3 suit when his Agito powers are temporarily lost.
Shouichi Tsugami is portrayed by .
is a clumsy yet capable police officer hailed as the hero of the Akatsuki incident, single-handedly saving everyone on board when the ship was caught in a mysterious storm. As an officer in the Tokyo Metropolitan Police Department's SAUL division, Makoto is the primary operator of the G3 System powered exoskeleton, also designated , which was originally developed to fight the Gurongi, also known as the Unidentified Life Forms, and was visually modeled after Unidentified Life Form #4, Kamen Rider Kuuga. Makoto is the first to suggest that the Unknown are targeting humans with supernatural powers, though this theory is often dismissed by his superiors. Makoto is also the first person to learn of Mana's special abilities. Having witnessed Shouichi as Kamen Rider Agito fight and save people several times, Makoto staunchly supports Agito as an ally of humanity even before learning of his true identity. After the Overlord's defeat, Makoto returns to being a normal police officer.
As G3, Makoto wields a variety of armaments, including the handgun, the grenade launcher, the sword, and the grappling hook. His personal vehicle is the motorcycle, which is based on Kamen Rider Kuuga's Try Chaser 2000 and Beat Chaser 2000. The , which normally serves as the Guard Chaser's grip/key, can also be used as a baton.
As the G3 System was specifically designed to fight the Gurongi, G3 often struggles against the Unknown. Because of this, Sumiko Ozawa eventually develops the upgraded suit. The G3-X System is overall more powerful than its predecessor and is equipped with a support AI that assists the operator. When first deployed, G3-X is considered a "perfect system," but Makoto's brute force approach clashes against the AI's precise calculations, causing G3-X to operate erratically and injure Makoto until Ozawa installs a dampener chip. As G3-X, Makoto wields the Gatling gun and the electromagnetic dagger in addition to his previous equipment. The GX-05 Kerberos can be used in either its standard or combined with the GM-01 Scorpion and a to form the rocket launcher.
Makoto Hikawa is portrayed by .
is a former star swimmer and university student who, after a near-fatal motorcycle accident, develops the ability to become , a flawed and unstable form of Agito with a wild and aggressive fighting style. As Kamen Rider Gills, he rides the motorcycle and can perform the and finishers. He is able to grow and tentacles from his forearms. His father was a passenger on the Akatsuki and committed suicide after the incident. Ryà  discovers the passenger manifest in his father's personal effects and begins tracking down the survivors seeking the truth behind his father's death. After dropping out of university and being abandoned by his swimming coach and girlfriend out of fear of his transformation into Gills, Ryà  becomes a brooding wanderer. He eventually develops feelings for Aki Sakaki and, when she is killed by Pantheris Magistra, Ryà  believes Agito to be her killer. The misunderstanding causes Agito and Gills to fight several times before they discover each other's identities. Because of Gills' flawed nature, Ryà  initially experiences increasing cellular breakdown every time he transforms, but after he is killed by Katsuhiko Sagara and later resurrected by Mana's regenerative power, transforming no longer harms him. He later receives Koji Majima's seed of Agito, which grants him the ability to become the evolved , which can perform the finisher and can extend the tentacles from his back. After the Overlord's defeat, he encounters a young puppy and continues to wander the world.
Ryà  Ashihara is portrayed by .
is the daughter of Nobuyuki Kazaya and Yoshihiko Misugi's step-niece. She possesses a seed of Agito, which initially grants her clairvoyance. Once her powers are fully awakened by "Tetsuya Sawaki," she gains a regenerative power that she uses to resurrect Ryà Â, though the strain of doing so causes her to lose this power. Years after the Overlord's defeat and during the events of Kamen Rider Zi-O, Mana is working as a server at the original Restaurant Agito location.
Mana Kazaya is portrayed by . As a child, Mana is portrayed by .
is a psychology professor and lives with his son, Mana, and Shouichi. He is also Sumiko Ozawa's former professor.
Yoshihiko Misugi is portrayed by .
is Yoshihiko's son.
Taichi Misugi is portrayed by .
A division of the Tokyo Metropolitan Police Department, the , abbreviated as is tasked with researching, developing, and deploying countermeasures for unknown or supernatural threats. SAUL's G3 Unit maintains and monitors the G3 and G3-X powered exoskeletons and related equipment from the G-Trailer mobile command base.
is the genius behind the G3 System. Her position within SAUL's G3 unit is the system's monitor engineer, overseeing the operator and G3 suit during combat from the G-Trailer. She later develops the G3-X system and designs the G4 system, but shelves the latter when it proves too dangerous for humans to use. Because of her blunt and unfeminine personality, Sumiko frequently comes into conflict with her colleagues in the MPD, especially Tà Âru Hà Âjà Â, and has great faith in Makoto's abilities as G3's operator. After the Overlord's defeat, she leaves the police force and becomes a professor at the University of West London.
Sumiko Ozawa is portrayed by .
is Sumiko's assistant at the G-Trailer mobile command base. He frequently serves as comic relief, being more laid-back and carefree than his colleagues. After the Overlord's defeat, he becomes the squad leader of the G5 Unit. By the time of Kamen Rider Zi-O, Omuro has become commander of the , which utilizes mass-produced G3 suits.
During the events of the special Kamen Rider Agito Special: A New Transformation, Takahiro becomes the test operator of , a prototype for a mass-production version of Kamen Rider G3. Late in the series, when the G3 Unit is restructured to hunt Agitos instead of the Unknown, Takahiro is briefly assigned as Kamen Rider G3's operator.
Takahiro Omuro is portrayed by
is an assistant inspector and Makato's rival, having been the original candidate for G3. Hà Âjà  is frequently shown to be a capable and dedicated police officer. However, his resentment from believing Makoto was selected to be G3 solely due to being the hero of the Akatsuki incident drives him to carry out several schemes to either replace Makoto as G3 or get the G3 Unit shut down by proving its ineffectiveness. His schemes succeed at times, once being briefly assigned as G3's operator before abandoning the suit and fleeing in cowardice during a battle with an Unknown. Hà Âjà  also creates and executes a plan to capture Agito, which instead leads to the squad encountering Ryà  as Gills. He later creates the Victory-1 (V-1) System in a bid to surpass G3-X, but his suit is quickly damaged beyond repair when G3-X's support AI goes haywire. Hà Âjà  eventually shifts his focus to discovering why the Unknown are killing people, in the process discovering Shouichi's identity and the truth behind Nobuyuki Kazaya's death. Late in the series, after a month with no Unknown attacks, Hà Âjà  develops a fear of the Agito, believing they will eventually outnumber humans and take over the world. Under his recommendation, the G3 Unit is restructured to hunt the Agito, assigning Hà Âjà  as G3-X's operator. However, Sumiko and Makoto soon forcefully take the equipment from him to confront the Overlord.
Tà Âru Hà Âjà  is portrayed by .
is Tà Âru Hà Âjà Â's boss. He investigates the Nobuyuki Kazaya murder case and frequently invites his colleagues out for ramen.
KÃ Âji KÃ Âno is portrayed by .
is a researcher in charge of the OOPArts Research Department established within SAUL who solves the puzzle artifact containing the Overlord's DNA. She is killed by Anguis Femineus.
Sakiko Mikumo is portrayed by .
The , labeled as by the police, are a group of powerful disciples serving under the Overlord. They attack humans with the potential to evolve into an Agito, seeing them as a threat to the Overlord, particularly the survivors of the Akatsuki incident and their family members. They perform a distinctive ritual hand gesture before attacking.
The , also known as the and the , is the master of the Lords and the creator of the human race and all life on Earth. Early in humanity's history, the Overlord and his twin brother, the , battled. Defeated, the Overlord's brother used his remaining life force to bestow his power to select humans, allowing them to one day evolve into Agito. The Overlord directs the Lords to kill any humans who possess this potential to evolve into Agito, fearing that they will one day evolve beyond his control. Constant defeats and the increasing power of Kamen Rider Agito convince the Overlord that humanity as a whole should be eiliminated. He is eventually defeated by the combined efforts of Kamen Riders Agito, G3-X, and Gills. Having a final conversation with "Tetsuya Sawaki," the Overlord ultimately implies that he will postpone his plans and observe how humans use their own gifts to determine whether or not they are worthy of existence.
The Overlord is portrayed by . As a baby and child, he is portrayed by , , and . Rei Haneo and Ryunosuke Kamiki also portray the Overlord's brother as an adult and youth, respectively.
was Mana's father and Yoshihiko Misugi's step-brother. He was also an acquaintance of the original Shouichi Tsugami and Yukina Sawaki's college professor. Obsessed with Yukina's supernatural powers, he conducted a series of experiments on her with Tsugami's help. This eventually led to his accidental death at Yukina's hands.
Nobuyuki Kazaya is portrayed by .
The is a ferry where the Power of Light's spirit mysteriously appeared and gave the seed of Agito to the passengers and the captain before Hikawa saved them.
is an unlicensed surgeon and a leader figure to the Akatsuki survivors who is able to transform into a twisted form of Agito known as . His brother died in a mountain-climbing accident during a snowstorm, with Kino losing an arm to severe frostbite in the same event. His brother's arm was grafted on to replace the one he lost, which caused his medical license to be revoked. The arm causes him frequent pain he believes to be Masato's spirit trying to influence him. Despite now being unlicensed, Kino is frequently hired by local hospitals because of his skills, once successfully performing two difficult surgeries simultaneously. Already traumatized by his brother's death, Kino's awakened Agito powers further worsen his mental state, causing him to develop a Messiah complex where he believes himself to be the only Agito the world needs. This delusion brings him into conflict with the other Riders several times until he is defeated by the newly evolved Exceed Gills and humbled. From then on, he becomes an ally to the other Riders, even once performing surgery on Shouichi to remove Ericius Liquor's venomous quill. He is severely injured in a battle with Volucris Falco and eventually dies from his injuries, with his last thought being a fantasy where he successfully saves his brother. As Another Agito, Kino rides the motorcycle. When his power reaches its peak, the jaw opens, allowing him to perform the finisher.
Another Agito is sometimes referred to as to differentiate from the Another Agito that appears in Kamen Rider Zi-O.
During the events of the web-exclusive crossover series Kamen Sentai Gorider, Kino becomes , the green-colored member of .
Kaoru Kino is portrayed by .
, in truth, the real Shouichi Tsugami, is a man resurrected by the Overlord due to his passive involvement in the death of the first Agito, Yukina Sawaki. He was romantically involved with Yukina and tried to stop her from committing suicide, but ultimately allowed her to plummet to her death. The guilt drove him to commit suicide afterwards. After the Overlord resurrects him, he adopts the name of Yukina's younger brother and requests power from the Overlord. The Overlord complies by granting him a portion of his power, which manifests as telepathy and the ability to accelerate the evolution of Agito seed bearers. He soon turns against the Overlord when he realizes what the Overlord's ultimate plan is, using his abilities to help the Agito seed bearers nurture and evolve their powers. He eventually manages to redeem himself by saving Kana before the Overlord grants him his rest to view mankind's future alongside him.
"Tetsuya Sawaki" is portrayed by .
was Shouichi's older sister, who committed suicide out of fear after discovering she was becoming the very first Agito. She was involved in the paranormal research conducted by Professor Kazaya at Jyohoku University; this resulted in severe trauma and led her to unconsciously kill Nobuyuki Kazaya.
Yukina Sawaki is portrayed by .
is a part-time chef whom Shouichi meets when he gets a job at his old professor's restaurant after the Unknown attacks stop. Though she dreams of being a chef like her father, she is shown to be clumsy and a poor cook, which causes her to get fired frequently. Her father was murdered by an Unknown, meaning Kana herself is an Agito close to awakening. Fear of her transformation causes her to attempt suicide, but Shouichi and "Sawaki" manage to save her in time, encouraging her to keep living.
Kana Okamura is portrayed by .
is a delinquent motorcyclist who was once a star runner in high school before an injury ostracized her from her former teammates. She turned to reckless street racing in order to run away from her past, which gained her a reputation as the outlaw biker "Scorpion." Ryà  meets her while he is working part-time at a motorcycle shop after the Unknown attacks stop. He eventually befriends her and helps her make peace with her past. However, she becomes one of the victims of the Overlord's culling of humans born under the Scorpio sign, dying in front of Ryà  just as they meet to celebrate his birthday.
Risa Mizuhara is portrayed by .
is a psychologist and friend of Yoshihiko Misugi who appears exclusively in the television special Kamen Rider Agito Special: A New Transformation. He nursed Shouichi back to health after he washed ashore and would later place him in the care of Yoshihiko Misugi. A year later, he visits the Misugi household to catch up with Shouichi, who has to quickly leave when he senses an Unknown, with Kunieda following to watch the battle. Shouichi soon attacks Kunieda when he loses control in Burning Form, causing Shouichi to flee in fear of his powers. Catching up to Shouichi, Kunieda reveals that his son also began evolving into an Agito and committed suicide because of it. Kunieda restores Shouichi's confidence by telling him not to lose hope and reminding him of the clear skies he saw while in the hospital, which allows Shouichi to fully master Burning Form's power and evolve into Shining Form.
Azuma Kunieda is portrayed by .
is a girl with the psychic ability of clairvoyance who appears exclusively in the film Kamen Rider Agito the Movie: Project G4. She came from a wealthy family and lived relatively well until she was orphaned during a car crash, which killed the rest of her family. She entered the research study at the Japan Ground Self-Defense Force's psychic educational facility as a candidate psychic for the G4 project.
Sayaka Kahara is portrayed by .
is a boy gifted with psychic abilities who appears exclusively in the film Kamen Rider Agito the Movie: Project G4. He, like most children in the Japan Ground Self-Defense Force's psychic educational facility, was orphaned at a young age.
Rei Motoki is portrayed by .
is a captain of the Japan Ground Self-Defense Force who appears exclusively in the film Kamen Rider Agito the Movie: Project G4. Assigned to the G3 Unit, she steals the data of the G4 System from Ozawa's computer to create the G4 suit, intending to continue the JSDF's experiments and mass-produce the G4 System. She is mauled to death by the Ant Lords.
Risa Fukami is portrayed by .
is a second lieutenant of the Japan Ground Self-Defense Force who appears exclusively in the film Kamen Rider Agito the Movie: Project G4. A jaded man obsessed with the concept of embracing death, he becomes , wielding the handgun and the large missile launcher. Ozawa originally shelved the G4 system after deeming it too dangerous for normal humans, as it uses the mind of a person with psychic abilities as the basis for its onboard predictive AI, making it more powerful than the one installed on G3-X. This system places intense strain on the suit's operator with extended use, which killed several prior test subjects and ultimately leads to Mizuki's own death as he battles Makoto in G3-X. The suit's AI takes over soon afterward, attempting to rise and continue the battle, but Makoto destroys it for good.
Shiro Mizuki is portrayed by .