A gap in space appeared on the snowfield,
Human beings pass through the cracks and enter a world full of ruins of civilization.
Use technology as your power to fight against the terrifying and bizarre creatures that have left previous civilizations in ruins.
Continuously explore more distant, more desolate and more dangerous places,
Finally one day, human beings explored the boundary,
Recognize the terrifying truth of this world:
They are in a testing ground...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
