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Time setting: Modern urban background, but the secrets of Taoism and the evil world that have been passed down for thousands of years are hidden.
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Location setting: The story mainly takes place in Donghai City, a modern metropolis that hides ancient Taoist temples, places where Yin energy gathers, and various supernatural places.
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Basic background: On the surface, modern cities are no different from the ordinary world, but in fact there are many forces such as Taoism, evil spirits, and ghosts. The protagonist inherits the mysterious orthodoxy and slays demons in the city while uncovering the mystery of his life experience.
