The Noppera-bō

A faceless ghost, is a Japanese legendary creature. They are sometimes mistakenly referred to as a mujina, an old Japanese word for a badger or raccoon dog. Although the mujina can assume the form of the other, noppera-bō are usually disguised as humans. Such creatures were thought to sometimes transform themselves into noppera-bō in order to frighten humans.Lafcadio Hearn used the animals' name as the title of his story about faceless monsters, probably resulting in the misused terminology.

Noppera-bō are known primarily for frightening humans, but are usually otherwise harmless. They appear at first as ordinary human beings, sometimes impersonating someone familiar to the victim, before causing their features to disappear, leaving a blank, smooth sheet of skin where their face should be.
This tale recounts a lazy fisherman who decided to fish in the imperial koi ponds near the Heian-kyō palace. Despite being warned by his wife about the pond being sacred and near a graveyard, the fisherman went anyway. On his way to the pond, he is warned by another fisherman not to go there, but he again ignores the warning. Once at the spot, he is met by a beautiful young woman who pleads with him not to fish in the pond. He ignores her and, to his horror, she wipes her face off. Rushing home to hide, he is confronted by what seems to be his wife, who chastises him for his wickedness before wiping off her facial features as well.