The Old Man who Awakened the Skill [Domination of All Things] has decided to make a living by Conquering Dungeons

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!