Natural disasters struck, monsters roamed freely, and the world plunged into famine and catastrophe.

Humans devised a ranking system for these creatures, learning the rules of survival at the cost of countless lives.

The monsters, with their scarlet tongues and glowing red eyes, desired nothing more than to devour every human they encountered.

The outside world was perilous, and all I wanted was to hide in my safehouse.

Lin Yu was determined to create an absolutely secure sanctuary for himself.

Until one day, Lin Yu decided to step outside for a walk—only to discover that the world didn’t seem as dangerous as it once was…