Kitsunetsuki

What it is

Kitsunetsuki describes a state where a fox spirit takes control of a human body. This belief is deeply rooted in Japanese folk religion and dates back to at least the Heian period. The victim is typically described as a young woman. The fox is said to enter through the fingernails or breasts. Once inside, it may alter the victim's facial expressions to resemble those of an animal. The spirit acts with its own will, often driven by hunger or a desire for offerings from people.

Where it comes from

The earliest records of this belief appear in the Nihon ryōiki, a collection of miraculous stories from the ninth century. By the time of the Heian period, the idea that foxes could cause illness through possession was well established. Esoteric Buddhist rituals were developed to counter these influences. These early liturgies involved creating dough figures of three types of foxes and consuming their ashes. The practice shows how Buddhist ideas merged with older local superstitions about animal spirits.

How it is done

Exorcism was the primary method for dealing with possession. A miko, a female shrine attendant or shaman, would perform the ritual. She might transfer the spirit into her own body to speak for it or force it out. In some cases, a yamabushi mountain priest would intervene. If religious help failed, victims faced severe physical abuse. They were beaten or burned to drive the spirit away. Families of the possessed were often ostracized by their communities due to fear and stigma.

Tools and materials

Rituals used specific materials to combat the spirit. Dough effigies representing different fox types were central to early Buddhist rites. These figures were burned, and the resulting ash was swallowed by the patient. Exorcists relied on their spiritual authority and knowledge of sutras. In some regions, families known as kitsune-mochi were believed to keep fox spirits as familiars. These families used the spirits for power but were socially avoided by others.

What it is for

The possession served various purposes for the fox spirit. It sought food, particularly rice or sweet beans. It also desired worship and recognition from humans. For the community, the exorcism aimed to restore health and social order. Protecting the community meant stopping the spread of rumors about fox-owning families. The rituals addressed both the physical symptoms and the spiritual cause.

Who does it

Mikos and yamabushi were the main specialists in handling these cases. Mikos acted as mediums, sometimes allowing the spirit to possess them temporarily. Yamabushi were trained mountain ascetics with esoteric knowledge. Clinical doctors later viewed the condition as a mental disorder. In the nineteenth century, physicians began publishing rational explanations. They linked the symptoms to fever and other physical diseases rather than magic.

Peoples and places

The belief is widespread across Japan but has regional variations. In the Izumo area, the spirit was called ninko. These spirits were smaller and invisible until they attacked. Local gossip targeted families rumored to control such spirits. Similar beliefs existed in neighboring provinces with dog or snake spirits. The term kitsunetsuki itself is a general Japanese concept. However, local dialects and specific folklore shaped how the possession was understood and feared.

What people believe

Foxes are powerful yōkai in Japanese mythology. They can form pacts with humans, offering wealth or protection. However, they do not follow human morality. A fox might steal from neighbors to give to its host. This duality makes them dangerous. The spirit possesses humans to satiate its own needs. It uses the human body as a vessel. The belief reflects a worldview where the natural and spiritual worlds overlap closely.

When it is done

Possession events did not follow a strict calendar. They occurred during times of crisis or unexplained illness. Rituals were performed when symptoms appeared. Some festivals might involve protective prayers against such spirits. The timing was reactive, based on the onset of the condition. There were no fixed annual dates for the possession itself, only for the exorcisms or protective rites.

How scholars and sceptics see it

Anthropologists and historians view kitsunetsuki as a cultural explanation for mental illness. In the Meiji era, psychiatrists studied the phenomenon extensively. They noted similarities to lycanthropy but distinct features like food cravings. German doctors coined terms like alopecanthropy to describe it. Modern scholars see it as a historical example of how societies pathologize abnormal behavior. The transition from spiritual to medical explanations marks a shift in Japanese society.

Compare and confuse

Kitsunetsuki is similar to other spirit possession beliefs worldwide. It shares traits with inugami, the dog spirit possession of neighboring regions. Both involve animal familiars controlling humans. The concept differs from Western werewolf legends, which focus on transformation rather than possession. Kitsunetsuki is specifically about control by an external entity. It is distinct from general ghost haunting, as the fox retains its animal nature.

Law and persecution

There are no specific laws against kitsunetsuki today. The belief is largely historical or part of folklore. Modern Japan treats such claims as superstition or mental health issues. Historical persecution occurred through social ostracization rather than legal statute. The government does not recognize the spiritual aspect legally. Current practices are confined to religious ceremonies or cultural studies.

Questions people ask about Kitsunetsuki

Good reading and sources

• Kitsunetsuki on WikipediaEncyclopedia
• More photos on Wikimedia CommonsPhotos and video
• Wikidata recordOpen data