Reo Kanzaki, a pro-gamer and master strategist, wakes up in a mystical labyrinth after being betrayed and killed by his own teammates in a VR game. In this world, he is chosen as a Dungeon Master, governing an endless dungeon filled with monsters, artifacts, and lost civilizations.
As he builds his dungeon, he must defend it against invading heroes, armies, and gods. But he soon realizes his dungeon isn’t just a battleground—it’s a prison holding a cosmic threat that could devour reality itself.