Dormant, experimental cells begin to awaken inside their human hosts, turning them into creatures called 'Amazons'. Two Amazons- Jin Takayama and Haruka Mizusawa- transform into Kamen Riders Amazon Alpha and Amazon Omega, aiming to exterminate the growing threat.
Everything started with the experimental so-called "Amazon Project" which aimed to grow artificial life forms into humanoids. Two years ago, an accident occurred inside the resear…
The extermination squad is overwhelmed by the number Amazons that turn up one after another. Jin reveals the truth about himself to Haruka and declares that all the Amazons must b…
Haruka, beginning to fear his inner beast, goes to his mother, Mizusawa Reika, to find out more about his true identity. He learns an unexpected truth about himself. In the meanti…
In order to hold back the horde of test subjects, Haruka and the extermination squad are forced to barricade themselves in. Jin is led astray with false information The more Haruk…
Haruka is ordered by Reika to return home. However, he is hesitant to return.Shido turns up together with the rest of the extermination squad... Fed up with waiting for Haruka to …
Haruka rushes to Mizuki's aid and starts fighting with the test subjects. However, he goes berzerk during the battle and loses all sense of reason. He fears he is losing control. …
A body is found near the scrapyard. Since there appear to be similarities between it and a previously exterminated test subject, Haruka and the extermination squad head to the sce…
Haruka hesitates to exterminate the Shrike Amazon because it is a test subject. Haruka must overcome his half-hearted resolve in order to rise up to Jin and Shido's expectations. …
A few Amazons were living quietly in a secluded restaurant. Haruka is amazed to discover the reason for which the Amazons gathered together... Jin is called in by Yugo Tachibana. …
Nothing can withstand the overwhelming power of Amazon Sigma. Meanwhile, Reika Mizusawa is putting operation "TLALOC" into motion. The aim of this is to annihilate all Amazons. Di…
Haruka is suffering from the mortal blow he received from Amazon Sigma. Tachibana, who is against wiping out all the Amazons with operation "TLALOC", springs into action. In the e…
Operation TLALOC has been initiated. Jin Takayama hunts the Amazons with the fierceness of one possessed. Mizuki heads towards Haruka's location. Haruka is unable to muster the sa…
A great many Amazons have been wiped out from the city. However, reports come in that some areas still harbour survivors. Although the extermination squad had disbanded, they will…