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.
The Mujina of the Akasaka Road
The most famous story recollection of the Noppera-bō comes from Lafcadio Hearn's book Kwaidan: Stories and Studies of Strange Things. The story of a man who travelled along the Akasaka road to Edo, he came across a young woman in a remote location near Kunizaka hill, crying and forlorn. After attempting to console the young woman and
There are other tales about noppera-bō, from a young woman rescued from bandits by a samurai on horseback whose face disappears; to stories of nobles heading out for a tryst with another, only to discover the courtesan is being impersonated by a noppera-bō.