Shocked, Nantianmen Actually Appeared on Earth

In 2021, a portal as white as jade suddenly appeared in the sky above the earth, with the words "Nantian Gate" written on it! Since then, people and animals on the earth have mutated... In order to expand their territory, some powerful mutant creatures began to invade human cities. A war between humans and mutant animals is coming... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.