The chaos of heaven and earth was just beginning, and everything was in a chaotic world. In order to calm the world, a man named Yi Shi separated the pure and turbid world. He descended into the world and experienced all kinds of life. Later, he was moved by people's joys, sorrows, joys and sorrows. He thought that although evil was difficult to distinguish, it was also alive and fragrant. He began to be attached to this world, forgetting what he should do, and unwilling to do it. Yi Shi returned to heaven and looked at the world. After an unknown amount of time, Yi Shi fell asleep. When he woke up, everything had changed. The world is a purgatory, a huge furnace, everyone is suffering, and the bright smiling faces turn into distorted faces, with fear, hatred, and hesitation... At the beginning, he loved the world and did not want to see all this. He descended to earth again and used With all his strength, he solved the sufferings in the world and separated the pure and dirty in the world. Although it was not completely separated, at least such a thing would not happen again. After a long time, this huge world was divided into: ghosts, demons, demons, humans, and gods. (Probably so...)