There is a "Dream Market" at the junction of yin and yang, where the dreams of living people and the obsession of the underworld are embodied.
Xiyan inherited the bloodline of her family's "Duer people". During the day, she worked as an undertaker in a funeral parlor. At night, she was recruited by the underworld as a shady messenger.
Law of the Three Realms: If the ghost does not convey its obsession through dreams within seven days, it will be alienated into "evil"
