異世界転生ダンジョンマスター　温泉ダンジョンを作る (Associated Names)

“You have been reincarnated as the master of my dungeon. Lure countless adventurers with desire, and create a dungeon that can drain their blood, mana, and life through exploration and battle, Master.” One day, a man on the verge of death in a hospital in the modern world hears a strange, hallucinatory voice. It tells…