Graveyard Survival: Starting with the Mysterious Brother as a Gift

One day, all of humanity is dragged into a world of tombs. To survive, they must face all kinds of mechanisms and unknown beings within the tombs. At the same time, terrifying entities on the surface are beginning to awaken. Survival is humanity's only goal. Summon followers and arm yourself. The protagonist obtains a golden finger that lets him summon mutants, and begins his cheat-powered struggle to survive.

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.