No Game No Life - Zero

In the age of eternal war, 6000 years before the infamous gamer duo Blank arrives in the world of Disboard ruled by the god Teto, humanity must face superior races in an unequal battle. Riku, the leader of the humans, one day encounters an unusual ex-machina on the battlefield, whom he names Schwi. She challenges him to a game with terms he cannot refuse. As a soulless machine, Schwi wants to learn from him how the human heart works. After some initial programmed difficulties, the unlikely pair begins their fight for peace among the different races. To lead humanity out of oppression and finally end the eternal war, they must risk everything. This prequel to the series takes fans and newcomers alike into another world.