Many years later, the world's resources are almost exhausted. In order to find new ways to practice, humans developed "source" technology, but they didn't want to cause disaster... Alien beasts were rampant, the environment changed, and the rules were distorted! Humans not only have to face all kinds of terrifying monsters, but they also have to be wary of hidden arrows from behind! Humanity is struggling to survive...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
