The middle realm is the human world, where the upper realm (deities and Buddhas) and the lower realm (demons and demons) intersect.
Because of a call from his aunt, Karma rushed back to his ancestral home, only to encounter a person who hung upside down when he was a child. Two people and a cat appeared after being frightened into a coma, as well as a strange message from his aunt, some of his awakened memories and his younger brother's abilities. The path of pursuit after inheriting the incense shop seemed to be related to the missing aunt. There seems to be a bigger secret surrounding the cause and effect in Zhongjie Mountain where he has been living since childhood.
The copywriter is still incompetent, I will change it after I think about it better