The Old Man Who Awakened the Skill "Domination of All Things" has Decided to Make a Living by Conquering Dungeons

Story:

After his company suddenly disappeared overnight, a worn-out corporate slave found himself unemployed — but what he gained was the ultimate skill to dominate monsters, humans, and all things…! In modern-day Tokyo, a mysterious phenomenon known as 'Dungeonization' begins, turning buildings into monster-filled labyrinths. A serious dungeon fantasy set in a Tokyo transformed by chaos!