Glittering City 13th

All of this is thanks to the new materials brought by the planetary impact. Humanity survived once again, and afterward, they divided themselves into cities, each within a vast isolation wall, gradually restoring their ecosystems to allow for human survival and reproduction.,“What exactly is the 13th Department, and we citizens have the right to know the truth......”,Light and shadow materialize. This new material, extracted from a planet that collided with Earth, has become humanity's greatest invention of the century through research. It successfully uses special materials as a medium to aggregate light and shadow, resulting in the super-science of turning them into physical objects.。