There Is a Courtyard in the Fairy Mountain

As a fox demon, Nan Yuan Yuankong has demon power but no demon form. Even if she later grows fox ears and a fox tail, she is still a fox-eared girl and still cannot become a fox. What can be done? We can only start from Xianshanyuan and search up and down. —————————— Not counting rebirth, the girl has been pursuing the mystery of her life experience No Xipi, but ambiguity (probably)