Worldbuilding and timeline: The story takes place in the near future, in 2028. Technology is comparable to that of the real world, but secret organizations with supernatural abilities exist. Blockchain technology is highly advanced, setting the stage for later financial chapters. Setting: The story begins in the fictional coastal city of Linhai, in the “Xinghai Bay CBD,” with distinctive areas including a smart technology park, an old-town redevelopment district, and an underground black market. Background: Beneath the calm surface of modern society lurk supernatural elements. A secret organization of “inheritors of ancient professions” exists, and the origins of the System are connected to the seals on the ancient Nine Tripods.