The scene on Earth after a solar flare erupted in 2125. Cities were reduced to rust graveyards, and there were horrifying scenes of Eclipse tribesmen wandering through the ruins looking for food. Introducing the structure of Dome City, it is an ecological island maintained by the old-era quantum computer "Gaia". It has strict regional divisions, including civilian areas where ordinary survivors live, core areas where dignitaries and military are located, and scientific research areas.
