Isekai Tensei Dungeon Master: Onsen Dungeon o Tsukuru

'You have been reincarnated as our Dungeon Master. Lure in as many adventurers as you can with their own greed. Through exploration and combat, create a dungeon that drains them of their blood, mana, and life itself.'

After passing away from a terminal illness on Earth, the protagonist awakens before a young demon—the Dungeon Core—who tasks him with this mission. However, instead of creating a lethal labyrinth filled with deadly monsters and traps, he decides to use his knowledge of Japanes...