Folklore, retold
The story as it is told
A retelling, not a citation. What follows is the story as the most widely circulated popular accounts tell it — folklore encyclopedias, translations, and the versions that have travelled furthest. It is synthesized rather than keyed line by line to the dated primary texts, and popular versions drift from what those texts actually say. The cited, source-by-source record begins further down this page, and where the two disagree, the record wins.
At night the house shakes.
Beams tick. Walls knock. Furniture trembles.
And nobody is doing it.
Sekien's answer is the most charming plate in the catalogues
A crew of tiny oni, bracing themselves against the walls and rattling the building.
Like stagehands.
They're small, they're working hard, they have their shoulders into it, and they are clearly having a good time. There is nothing frightening about the picture at all, and I suspect that was deliberate.
The word — yanari, literally "house creak" — names both the noise and the imps.
Which is the event-yokai signature one last time: no gap between the phenomenon and the being.
The case files
Tajima, in the Edo period: house-shaking traced to a vengeful bear spirit, exorcised by a monk stabbing a tatami mat.
(Which I would like to know a great deal more about, and don't.)
Tokyo, 1900: a tenement where deaths in a grieving household preceded unexplained yanari — read at the time as vengeful spirits.
The noise as sequel to sorrow, in a city apartment block, in the twentieth century.
And the material truth is genuinely satisfying
Wood answers temperature and humidity.
It expands, contracts, and moves — and in a timber-framed building the movement runs through joints under load, which release in small sharp increments. At night, as the temperature drops, this happens more, and there is nothing else to listen to.
New construction especially. A new house settles for years, and it does most of its talking in the first ones.
Which explains why this belief attaches so consistently to buildings, and to seasons, and to the cold hours.
And here is the arc, finished
Modern Japanese builders deploy detection devices to locate and reduce yanari in new homes.
That's a real thing. It's a construction-quality issue with instrumentation and a remediation process.
Sekien's stagehands, surveyed by sensor.
The little oni in the walls have become a construction-industry QA metric — which is, I think, the single most complete arc anywhere in this collection.
A noise. Then imps. Then a plate. Then a technician with a meter.
It has a partner
The sakabashira — the pillar installed upside-down, against the tree's growth direction — was the classic cause.
Yanari is the symptom.
Together they make the house-lore complete: a carpentry error, and the sound it makes at three in the morning, with a crew of small demons in between to explain the mechanism.
Field guide
At a glance
- Behavior
- Rattles the house at night — beams, walls, furniture — with no visible cause; Sekien drew tiny oni bracing against the walls like stagehands.
- Powers
- The noise itself; in the darker cases it follows grief into a household.
- Weaknesses
- A well-built house; one Edo exorcism worked by stabbing a tatami mat.
- Oddities
- The word names both noise and imps — phenomenon and personification in one term.
- Modern builders use acoustic sensors to locate and reduce yanari — Sekien's stagehands as a construction QA metric.
Overview
At night the house shakes — beams tick, walls knock, furniture trembles — and no one is doing it. Sekien's answer (1776) is the tradition's most charming plate: a crew of tiny oni bracing against the walls and rattling the building like stagehands [wikipedia-yanari]; [sekien-1776]. The word — literally "house creak" — names both the noise and the imps: the event-yokai signature, one last time.
The record
- The case file: an Edo Tajima account of house-shaking traced to a vengeful bear spirit, exorcised by a monk "stabbing a tatami mat"; a 1900 Tokyo tenement where deaths in a grieving household preceded unexplained yanari, read as vengeful spirits [wikipedia-yanari] — the noise as sequel to sorrow.
- The material truth, held honestly: wood answering temperature and humidity — new construction especially, settling; modern builders even deploy detection devices to locate and reduce yanari in new homes [wikipedia-yanari]. The tradition's arc in one detail: the imps' racket is now a construction-industry QA metric — Sekien's stagehands surveyed by sensor.
- Sakabashira's inverted pillar was the classic cause; yanari the symptom — the house-lore file is complete as a pair.
Two-track labeling
The image
Citations
The record
- [wikipedia-yanari]"Yanari," Wikipedia (retrieved 2026-07-25), Tier C.modern reference English Wikipedia's article on this subject, as retrieved in 2026 — an aggregate starting point, not a primary source.All-source record
- [sekien-1776]per 02-HISTORICAL-CATALOGS.md.Edo, 1776 Toriyama Sekien's Gazu Hyakki Yagyō — the first of his four illustrated yokai catalogs, the books that made the night parade a printed genre.All-source record
Where the evidence thins
Open questions
- The Tajima bear-spirit account's source.
- The 1900 Tokyo case's documentation.
- The house-lore pair page (sakabashira + yanari + the domestic suite).