NOTE: RealityDesu aka Game4Fans Has Moved to ChenCubed

The story initially takes place in a futuristic dome city called Romdo, built to protect its citizens after a global environmental apocalypse. In this utopia, humans and androids (AutoReivs) coexist with each other peacefully under a total management system. Immigrants from outside of the dome are treated in harsh conditions and also by the citizens of Romdo. Lastly, there is a rule, if you ever leave Romdo, you can never go back alive.
 
A series of murders committed by berserk robots infected with the Cogito virus are starting to jeopardize the delicate balance of the social order. Behind the scenes, the government is conducting secret experiments on a mysterious humanoid lifeform called Proxy, which is believed to hold the key to the survival of mankind.
 
However the truth of the Proxies and their discover of it will change Romdo forever. And the key to the survival of mankind might just be the key to destroy mankind.