Meant to Be

In order to track down the enemy from 500 hundred years ago, the black ghost of impermanence, who’s in charge of the samsara of life and death, settled in the capital and accidentally became a neighbor with Pei, a young witch that had a mysterious ability to expel evil spirits. Then, they began this love-hate relationship, and the black ghost of impermanence found that he was somehow related to the mysterious ability that Pei had...Who on earth was this girl and what‘s her real identity?