The Reformation of the World as Overseen by a Realist Demon King, Vol. 1 (light novel) — Ryosuke Hata

By the will of a whimsical goddess, the 72nd Demon King has been reincarnated to rule alongside a chaotic mixture of humans and heroes in another world.  The newly minted Demon King Astaroth has been tasked with overseeing the reconstruction of this strange, new land, and as a realist, he will use rarely seen resourcefulness and tactics to reshape the fate of all who live under his reign!