Fox spirit
(重定向自Werefox)

The fox spirit (狐狸精) or nine-tailed fox (九尾狐), having been originated from Chinese mythology, is a common motif in the mythology of East Asian countries.
In East Asian folklore, foxes are depicted as a familiar spirit possessed of magic powers. These foxes are depicted as mischievous, usually tricking other people, with the ability to disguise as an attractive female human: