Different Levels of Administration

Different layer, another world mapped under the main world Everything produced in the alien layer is a potential threat to human beings Through the rift, human beings can reach that world. When people have a little understanding of the tip of the iceberg of another layer, if they are given a choice, they will never be willing to continue to set foot in it. Based on the threat to this abnormal world, at some point, an organization called the Alien Affairs Administration was established.