Kuchisake-Onna (The Slit Mouthed Woman) - Japanese folklore: She was once the very beautiful wife or concubine of a samurai. In a jealous rage, he mutilated her face. Her ghost returned, covering part of her face with a kimono sleeve, asking wanderers "Do you think I'm beautiful?" She would reveal her face with a 'yes' and ask "Do you think I'm Beautiful now?" Various bad things happen with just about any answer. Her modern form seems to wear a 'cold mask'; modern sightings have caused…
Yūrei (Japanese folklore): Used as a general term; there are also more specific types of ghosts, like the Onryō (vengeful spirits who return from purgatory), Goryō (aristocratic ghosts, often vengeful martyrs), or Zashiki-warashi (mischievous ghost children).
In Japanese folklore a Mu-onna, "nothing woman", is a type of yōkai, a supernatural monster. She is a vengeful spirit of a mother who lost her child to famine or war. She protects children in danger, but may also try to merge or absorb them. Since the Mu-onna is made from a mother's tender feelings, she may be willing to allow herself to be destroyed for the sake of the child.
The Kaibutsu Ehon ("Illustrated Book of Monsters") is an 1881 book featuring woodblock prints of yōkai, or creatures from Japanese folklore. Illustrated by painter Nabeta Gyokuei, the book is modeled after the influential works of Toriyama Sekien, an 18th-century scholar and ukiyo-e artist known for his attempt to catalog the many species of yōkai in Japan. Here are 25 monsters from the book.