In a fake world full of lights and advertisements, humanity has become completely numb from consumerism.

In the shadows of this world, an epic war is taking place between the Yatagarasu and the Phantom Society, Demon Summoners who invoke demons to control their otherworldly powers. Within the ocean of humanity's collective data, a new consciousness has been created.

Aion, who observes humanity from afar and calculates that the end of the world is coming, creates two Agents to defend it. Ringo and Figue. It's time to discover with their help, the butterfly effect that will lead to the end of the world.