Huang Xiaotian traveled through time and entered a strange and bizarre world, where animals and plants can take the form of humans, speak human words, and humans can call the wind and rain, and fly to the sky and escape from the earth. But, don't they seem to have very high IQs? What is the truth of this world? What role does the system that falls from the sky play in this? Amid the mist, let's see how Huang Xiaotian rebuilds the glory of mankind.