Sato Shiki, a college student from modern-day Japan, is suddenly attacked by a pervert one day and wakes up in the labyrinth city of another world. There, he awakens to the power of healing magic. He heals injuries with his magic in exchange for some inappropriate behavior, buys slaves to explore the labyrinth, and harasses his fellow adventurers. This is the story of his life in this new world. This novel has been published by Monster Bunko in five volumes. A manga adaptation is also serialized in Monster Comics. The main story has concluded.