There are few books in the world that record that humans, immortals and demons are divided into four realms, each occupying one side. Among them, demons, demons and immortals all have magical powers and restrict each other. The human world is the weakest and has been protected by the fairy world for thousands of years. The rules of the four realms are strict and the borders are governed by magic. Except for the two realms of humans and immortals, there is little interaction with each other. However, there are still a few demons who ignore this commandment and cause chaos in the weaker human world.
However, there is another category that exists outside the four realms and has the inherent mission of maintaining the balance of the four realms, called unbounded. There is no distinction between high and low status in this realm, and all levels of the four realms are treated equally. The magic power is profound and can restrain the master of any realm. Moreover, every word and deed must be controlled by precepts. While walking in the four realms, one must not interfere too much in the affairs of the four realms.
There is a man with long hair and white clothes, who looks like a human and is named Catkin.
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Intention: The ups and downs of life, whether things go well or not, are God's will.