How to Build a Dungeon: Book of the Demon King, Vol. 01

After dedicating his life to arcane research, Aur A has finally unlocked the secrets to becoming

a Demon King. Using his newfound power to summon the enchanting succubus, Lilu, Aur begins to build a dizzying array of maze-like halls that will become his fortress Thus begins a dark fantasy INN adventure of a Demon King bent on conquering the fame amout the an human world that he never trusted!