is a 2016 Japanese tokusatsu web series based on the 1974-75 series Kamen Rider Amazon.

Main characters Haruka Mizusawa is the third-type Amazon created by Reika Mizusawa, a hybrid created from Reika fusing a sample of her DNA into Amazon Cells. Haruka is kept in seclusion for two years while under deluded into thinking he is human before failing to administer the serum designed to keep his Amazon Cells under control. This resulted in him transforming into his monitor lizard-like berserk form before receiving the belt from Nanaha to gain some self-control while transforming into . Eventually learning the truth, Haruka vows to use his power to protect those who deserve it regardless if they are human or Amazon. Five years later, he uses the belt that Reika sent to him to enhance himself into .

During the events of Last Judgement, two years after the events of the second season, Haruka is hunted by 4C as he and Jin are the last surviving Amazons. He ends up stumbling on a scheme by Tachibana and Einosuke Mido to use Amazons as livestock. Mortally wounded from his final battle with Jin, Haruka is forced to eat a dying Muku to save him and attempted suicide before an illusion of Mizuki convinces him to keep living as a protector.

Haruka Mizusawa is portrayed by .

Jin Takayama is a former cell biologist at the Nozama Pharmacy who felt that Amazons are his responsibility following the Experiments' escape due to his role in their creation. This motivated him to inject himself with Amazon Cells to become the Amazon Origin form known as the , using the Amazons Driver belt to stabilize himself and proceed with his cause to exterminate all Amazons as . This ultimately placed him at odds with Haruka as he took the full dosage of the anti-Amazon Cell gas during the Tlaloc Incident, causing his cellular makeup to mutate as he continued hunting down the Amazons. Upon learning Nanaha was pregnant with their son Chihiro, Jin resolved to kill him and was partially blinded by Haruka between the events of the first and second seasons. While Jin assumed Nanaha was killed by their son, he learns she evolved into an Amazon and killed her before helping Haruka finish Chihiro off.

During the events of Last Judgement, Jin was captured by 4C and hand over to Einosuke Mido who used his blood to create the Domesticated Amazons while modeling himself into Amazon Neo Alpha. Jin later escapes with Haichi's help, getting his revenge on Mido before he being fatally wounded by Haruka when he attempted to kill the Domesticated Amazons.

Jin Takayama is portrayed by .

Mizuki Mizusawa is Reika's daughter and Haruka's half-sister, Mizuki attempting to reason with Haruka to return home with her before accepting that he cannot even if he wanted. Five years later, having joined to fight Haruka should he turn on humanity, she serves as a member of Aoyama team at 4C before transferring to Kurosaki team after her teammates were slaughtered by the Sea Urchin Amazon.

Mizuki Mizusawa is portrayed by .

Nanaha Izumi is Jin's partner and lover, leaving him upon learning she is pregnant with their son Chihiro out of fear of Jin killing them. She ends up being slaughtered by Chihiro when he first entered his Origin form, only to resurrect into the angelic as a result of her pregnancy. Mamoru intended to use her create more New-Type Amazons, only for her to end up being killed for good by Jin and the Exterminators.

Nanaha Izumi is portrayed by .

Chihiro is the first of the New-Type Amazons, the son of Jin and Nanaha who is a hybrid like Haruka. He would ultimately be revealed to be the carrier of the that mutated from Jin's DNA, giving him regenerative abilities while his Amazon Origin form is an all-consuming monster with multiple arms with one such limb initially used by Mamoru to create the New-Type Amazons. He uses the Neo Amazons Driver belt to transform into . Chihiro joins C4's Kurosaki squad after falling in love with Iyu Hoshino, seeing her as a means to restore her humanity. But Chihiro's Amazon instincts overwhelm him upon Iyu's death, leading to him being killed by Haruka and Jin with his body completely destroyed to prevent further outbreak.

Chihiro is portrayed by . As a child, he is portrayed by and .

Iyu Hoshino is a daughter of Hajime Hoshino who was revived as the , a Sigma-Type Amazon, by 4C after being killed by her father when he mutated into the Vulture Amazon who took out her left eye. As a Sigma-type Amazon, outfitted with a bionic eye, Iyu is essentially an emotionless killing machine unable to register pain and needed to survive on protein while assigned work with Team Kurosaki to detect and exterminate Amazons. When Chihiro joined Team Kurosaki, he gradually humanized Iyu which convinced Tachibana to deem her a failure and has her killed off.

Iyu Hoshino is portrayed by . As a child, she is portrayed by and .

Hiroki Nagase is the leader of , a group of teens who became Amazon hunters with Chihiro and set up base in a club owned by Shido. After 4C recaptures Chihiro, Hiroki joins the Nozama Peston Service after one friend became a New-type Amazon that crippled the other while gradually learning the various complications relating to the Amazon. Sometime after Chihiro's death, Hiroki returns to high school

Hiroki Nagase is portrayed by .

Recurring characters

Nozama Peston Service The is a group created by Nozama Pharmacy to hunt down and kill the Experiment Amazons. To cover their modus operandi, they disguise themselves as a pest extermination group to the public. Following the Tlaloc Incident, Nozama Peston Service reforms after a three-week long disbandment and becomes independent as Nozama Pharmacy suffers severe financial problems.

Makoto Shido is the leader of the Exterminators who is a former Special Forces member of the Tokyo Metropolitan Police Department, joining the group to pay for his son's treatment.

Makoto Shido is portrayed by .

Mamoru is one of the Experiment Amazon who can transform into the . He is the most naive member of the group and joined it because he liked hamburgers and the other members, only to leave the group with Haruka after he accidentally gained a taste for human flesh and attacked Misaki. Five years later, he became the rogue Amazons' leader and sought to increase his race's numbers by creating the New-Type Amazons by first using a surviving arm of Chihiro's Amazon Origin form and then Nanaha as her blood was directly infected by her son. He ultimately dies in an attempt to protect Nanaha from his former teammates.

Mamoru is portrayed by .

Ryusuke Otaki is in charge of analysis and tactics, later revealed to be an Experiment Amazon known as the . While Ryusuke attempted to conceal his identity, he ran out of the serum that kept his Amazon instincts in check and killed Jun before being bifurcated by Amazon Omega.

Ryusuke Otaki is portrayed by .

Nozomi Takai is the only female member in the Exterminators who mastered martial arts, joining the group to earn money for the children's home she grew up in.

Nozomi Takai is portrayed by .

Kazuya Misaki is a former con man who joined the Exterminators to pay his debts, especially to a scary syndicate. He is in charge of distracting the general public during the group's Amazon exterminations. His left forearm was later eaten by Mamoru, replacing it with an artificial arm.

Kazuya Misaki is portrayed by .

Kota Fukuda , nicknamed "Fuku" by the group, is responsible for logistical support. He once worked under Shido at the Special Forces of the police, following him into Exterminators to pay the care cost for his mother who has dementia. This played in Fukuda joining 4C's Kurosaki squad, putting him at odds with his former allies until he was forced to kill his mother when she ended up becoming a New-Type Amazon.

Kota Fukuda is portrayed by .

Jun Maehara is an expert hacker of the NPS who was killed by the Dragonfly Amazon, only to be revived by Yugo Tachibana as the first Sigma-Type Amazon and uses the Amazons Driver belt to transform into . But process altered Jun's mind and turned him into an evil sociopath, later killed by Mamoru after receiving major damage from fighting both Haruka and Jin at once.

Jun Maehara is portrayed by .

Nozama Pharmacy is a pharmaceutical company that has been conducting extensive research to develop a microscopic artificial life form called , implied by Jin to be for military applications. When the Experimental Amazons they created escaped two years prior due to Tenjou orchestrating an explosion in the testing facility, the company quietly attempts to resolve the matter by enlisting the Peston Service to track down any active Amazon and exterminate. Following the Tlaloc Incident, Nozama Pharmacy suffered a massive layoffs from financing 4C along with reparations for victims or surviving families of Amazon attacks. Notably, Nozama written in the Latin alphabet is "Amazon" backwards.

Takaaki Tenjo is the corrupt chairman of Nozama Pharmacy whose obsession with Amazon Cells renders him apathic to the lives of others or even his own, revealed to have masterminded the Experimental Amazons' release into the city to observe the lifeforms' full potential regardless of who they kill. He later appears during the events of season two observe Chihiro's battle against 4C.

Takaaki Tenjo is portrayed by .

Reika Mizusawa is the chief officer of the Nozama Pharmacy's Special R/D department and overseer of the Amazon Project. She is mother to both Mizuki and Haruka, the latter by Reika synthesizing her own DNA into Amazon Cells. She later developed Operation Tlaloc as a means to eliminate two thirds of the Amazon population. During the events of season two, sending Kanou to keep tabs on Tachibana and secretly funding the Nozama Peston Service, Reika intended to harvest Chihiro's genetic sample before realizing he is too great a risk to be kept alive.

Reika Mizusawa is portrayed by .

Shogo Kanou is Reika's secretary who Tachibana manipulated into giving him an Amazons Driver. Five years later, serving the man's right hand, Kanou is sent by Reika to spy on Tachibana as a Nozama Pharmacy representative before he was later killed by Chihiro in his Origin Form.

Shogo Kanou is portrayed by .

Sawaguchi is a researcher of the Special Research and Development Headquarters who engages in Operation Tlaloc at Reika's behest.

Sawaguchi is portrayed by .

4C , often abbreviated to 4C, is the organization formed as a collaboration between the Nozama Pharmacy and the government after the downfall of the company due to the Amazon scandal.

Yugo Tachibana is the Chief of 4C, previously chief officer of the Nozama Pharmacy's international marketing branch, who is adamant of destroying what he cannot control. He facilitated the creation of the Sigma-Type Amazons, using the corpse of Jun Maehara and the Amazons Driver to perfect his process. After the Nozama Pharmacy collapsed, Tachibana joined 4C and rose up the ranks while converting Iyu Hoshino into a Sigma Amazon. He later be heavily crippled by Chihiro when he goes berserk while in his Amazon Origin form, ordering Iyu's death for regaining her humanity and deciding to commence the Amazon Livestock Project to rectify Japan's food crisis with the Domesticated Amazons.

Yugo Tachibana is portrayed by .

Takeshi Kurosaki is an Amazon extermination squad leader, a cynical man who has a justified yet immense hatred towards Amazons with trust issues towards like Fukuda as he believes that any sympathy towards Amazons is a weakness yet ironically showed little concern for Iyu. In the movie epilogue Last Judgement, Kurosaki sides with Nozama to remove Tachibana from command upon learning of the man growing new Amazons for his own agenda.

Takeshi Kurosaki is portrayed by .

Ichiro Fudamori is a government official who serves as Team Kurosaki's analyser.

Ichiro Fudamori is portrayed by .

Hajime Hoshino