Sometime in the distant future, mankind is forced to live in domed cities while the rest of the world is left to recover from years of environmental hardships. In the Siberian Dome-polis, professional gamer Gainer Sanga
and mercenary Gain Bijou
commandeer an Overman and lead a mass exodus out of the city.
As the result of heavy pollution, mankind now lives in remote and desolate locations in order to survive. The government rules with an iron fist, keeping close control over the masses. Gainer is a boy who has been playing a video game so much that he has finally secured the title of King. However, the next day he is falsely arrested for allegedly starting an Exodus – a journey to the mythical paradise known as Yapan. While in prison, fellow prisoner Gain offers to help Gainer escape, so with nothing to lose Gainer finds an Overman and makes his exit. However, in order to return the favor, Gainer chooses to further Gain’s cause: protecting the Exodus movement, even though Gainer’s parents were killed for their anti-Exodus ways…