Kotaro Kondo, who suddenly died, was transported to another world. The heroes and demon lords have long since disappeared, and humans and monsters have finally begun to build a town on the frontier in an effort to coexist, and Kotaro, a rare person from another world, is also thrown into the frontier town. The story is about him meeting a monster called Arachne at the adventurer’s guild and starting a business while living as a pimp.