Blade grew up in the slums scavenging corpses just to survive. Isaac was someone who should have lived far above a place like that.

Then a Labyrinth beast appeared in the middle of the city.

Forced into the Labyrinth to escape certain death, the two find themselves trapped in a world of endless darkness, ancient monsters, and forgotten horrors.

But while surviving the Labyrinth is difficult, surviving Isaac may be worse.

Because beneath his calm smile, something is deeply wrong with him.