Phantom Office - an agency that assists the police in dealing with paranormal incidents
Su has lived in seclusion in Biluo Town with his master, Master Qiguan, the most knowledgeable elder of the elves since childhood. One day, the demons invaded in large numbers, and Biluo Town was reduced to a scorched earth. Master Qiguan died in the battle with the demons. Su was entrusted to Shangguan Xi, the prince of the elves, and settled down in the Huansheng Office.
In Huansheng, she met the evil and handsome vampire Qingyuan, the lively and innocent Changeling girl Xiaoyu, and the humorous Aquatic boy Youyou, and lived a peaceful and happy life.
People kept dying mysteriously in human cities. During the investigation, Su came into contact with various demons. She gradually discovered that she had strange powers and doubted her identity...
The shadow of death falls on all races, and Su's identity gradually emerges...