Terran

One day, a huge tree suddenly appeared in the world. When people were curious, mutations suddenly occurred. People discovered that there were unknown races in this world, or perhaps humanoid creatures that existed in ancient times. When the mutations began, they slowly returned and wanted to monopolize this new world. Faced with these unknown and powerful creatures, how can humans defend their homeland? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.