The Fourth Era, the Cambrian Period

This is the world of prehistoric humans. There is no magic or magical power here. The only thing that exists is the power of unity, the spirit of Foolish Old Man who moved mountains. Here, we will see the importance of maintaining the diversity of life on earth. Here, we will describe to you the advanced civilization state of a civilization that continues. Nothing is immortal, and disasters are continuous. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.