Humans are clever in tens of thousands of ways, Gu are the true refined essences of Heaven and Earth. The Three Temples are unrighteous, the demon is reborn. Former days are but an old dream, an identical name is made anew. A story of a time traveler who keeps on being reborn. A unique world that grows, cultivates, and uses Gu. And a great demon of the world that does exactly as his heart pleases!