Anime Profile: Overman King Gainer

In the future, mankind is forced to live in domed cities, due to the destruction of the Earth's environment. While the human race waits for the Earth to recover itself, people start to question the authority of the government. Many question whether or not the Earth is really recovering itself and why the government is so intent on keeping the outside world a secret.

The main character is a young pro-gamer named Gainer Sanga who lives in the Siberian Domeopolis. After being accused of and arrested for planning an "Exodus" he meets a mercenary named Gain Bijou and together they plan to lead an mass Exodus to the outside world. Gainer eventually gains control of a powerful mecha called an Overman, which is capable of stopping and slowing time itself.

He names the Overman "King Gainer."