Demon gate - 鬼門 (kimon)

Critique:

In all probability, kimon is not taken seriously "in real life" by most Japanese people today.

Where direction has clear scriptural grounding in Abrahamic traditions, kimon derives from a mix of imported cosmology, and later Japanese religious practice, formalised through court specialists and ritual systems associated with Onmyōdō.

The kimon direction is tied to cosmic balance, not moral good or evil. Shinto absorbed directional taboos into shrine placement and purification practices; for example; Enryaku-ji lies to the northeast of Kyoto as a protective site. Esoteric forms of Buddhism also incorporated protective rituals and guardian deities associated with directions.

So kimon has been institutionalised for over a millennium. However, unlike the Abrahamic Scripture, there's no single authoritative text stating “the northeast is the demon gate”. This is because kimon arises from cosmology and divination systems rather than divine revelation. Its authority is traditional and practical, not canonical.

Toilets?

Why should kimon have any interest for lavatorial enthusiasts?

Whether a toilet is placed northeast or anywhere else, it's smelly, dirty, associated with disease, and sometimes even spirits.

In Japanese folklore there's a toilet-related spirit called Akaname (垢嘗め, literally “filth-licker”). It’s a small goblin-like yōkai said to creep into dirty bathrooms at night. True to its name, it licks grime, mould and waste from neglected toilets and bath areas. It’s not usually portrayed as dangerous; rather it serves as a grotesque warning to keep things clean, otherwise something unpleasant may appear.

Hence the perceived alignment with kimon as a point of inflow risk. There is also reinforcement from Feng Shui: toilets are seen as places where qi (energy) drains away and the northeast is treated as a sensitive transitional sector. Therefore, where feasible, toilets in Japanese homes and buildings have traditionally been avoided in that direction.

That said, in practice, these days toilets are usually located according to convenience and the practicalities of plumbing and cost.

Real-world evidence

There's a thing called "post-hoc rationalisation". People remember something bad happened after we moved into a kimon house, and they forget all the times nothing happened. This is classic confirmation bias.

Japanese houses and apartments with toilets or front doors facing northeast function perfectly normally. There's no measurable difference in health, resale value or occupant outcomes.

If kimon were real, we should observe statistically higher illness or misfortune in NE-facing toilets or front doors, but no such evidence exists. Therefore it behaves like a cultural belief, not a measurable phenomenon.