Amazon Riders

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 research facility and four thousand test subjects with a preference for human-derived protein were released into the city.

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 be hunted down. This is also meant as a warning to Haruka, who, himself, is an Amazon. Haruka's inner beast awakens.

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 meantime, the extermination squad rushes to the apartment building where the signal from the test subject is originating from.

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 Haruka fights, the more the Amazon within him awakens, to the point where it seems that no one will be able to stop him.

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 return, Mizuki decides to go to the Nozama Pharmaceutical Research Institute by herself. She gets into a taxi, however...

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. He heads to Nozama Pharma tries to get the answers he needs from Jin, an Amazon just like him who is being held captive....