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.,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.,“Hahaha, what's wrong, you dogs You afraid to come over”。