The household god, retold
The girl, the horse, and the beginning of silk
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.
In the households of Tōhoku, the god comes in pairs.
Two wooden dolls, about thirty centimetres, carved from mulberry wood. One male or horse-faced, one female.
And they are wrapped in layer upon layer of cloth garments — a new one added every festival, so that an old pair is a thick soft bundle, the faces barely showing, generations deep.
They live in the alcove. And behind them is one of the hardest stories in Japanese folklore.
The founding tragedy
A farmer's daughter loved the family horse.
Not as a girl loves an animal. The story is explicit that they became intimate, and it does not soften it.
When her father found out, he killed the horse and hung its body from a mulberry tree.
And his daughter went out to it, and clung to the body, weeping, and would not let go.
So he took an axe and beheaded the horse.
And the daughter rose into the sky with the horse's head, and the two of them ascended together and became Oshira-sama.
And then she came back to teach them a trade
This is the turn that makes it, and it's the reason this entry sits where it does.
After the ascension, she appeared to her parents in dreams.
And what she taught them was sericulture. How to raise silkworms. How to feed them, tend them, unwind the cocoons.
The origin of silk.
Look at what the grief became
In almost every other story of this kind, violent death produces a ghost. A grudge. Something that comes back to settle a score, and has to be appeased with rites and shrines and formal apology.
Here, the grief becomes an industry.
And the loop is so tight it's almost unbearable when you lay it out:
The silkworms eat mulberry leaves.
Mulberry is the wood the dolls are carved from.
The silkworms' thread becomes the cloth the dolls are dressed in — more of it every year.
The god who was killed on a mulberry tree teaches her family to feed worms on mulberry, so they can weave the cloth to wrap the mulberry-wood body she now lives in.
That isn't decoration. That's a household economy, a religion, and a mourning, all built out of one tree.
The layers are the theology
Each festival, the dolls get a fresh garment — laid over the old ones, never replacing them.
So the god's body is accumulated worship. You can read the household's devotion in the thickness of the bundle. A pair that's been in a family for a century is enormously padded, and every layer is a year somebody remembered.
A god who gets warmer the longer the family keeps faith.
The practice, as it runs
Festival days fall on the 16th of the 1st, 3rd, and 9th lunar months. The dolls are dressed, and there are recitations.
And the itako — the blind mediums of Tōhoku — perform oshirasōbase, which translates as something like "playing the gods": taking a doll in each hand and moving them while chanting.
The offerings have prohibitions, and they're pointed. No meat of two- or four-footed animals. No eggs.
Violations bring illness, or facial disfigurement.
Which is exactly right, when you think about what the myth mourns. The god's table is kept clean of killed animals.
And there's a heavier clause: abandoning the worship brings curses on the family. This is a relationship you cannot resign from. The god came into the house through a catastrophe and does not accept notice.
The dolls have a career
At Kudoji temple in Hirosaki, Aomori, there's an annual rite each May 15–16 — the Oshira-kō.
Households bring their doll pairs to the temple, and the dolls receive stamped certifications, which are believed to elevate the deities' spiritual rank.
It has been designated an Important Intangible Folk Cultural Property since 1999.
A household god with a promotion system. The family takes its deity in, gets it credentialled, and brings it home ranked higher than it left.
The dolls accrue rank as they accrue garments — and worship becomes a career the family manages on the god's behalf.
And it was written down
The Oshira-sama reached the wider world through Yanagita Kunio's *Tōno Monogatari* (1910) and its follow-up (1935) — the book that founded Japanese folklore studies, made out of what one man in Tōno told him.
There is a Chinese antecedent worth flagging honestly: a tale in the Soushenji about a girl and a horse-skin that turns into a silkworm. Whether Tōhoku received it or arrived independently is an open question, and I'd rather leave it open.
What isn't in question is what the north did with it: took the worst thing that could happen in a farmhouse and turned it into cloth, and a god, and something to do every sixteenth day.
Field guide
At a glance
- Behavior
- A Tōhoku household deity worshipped as a pair of mulberry-wood figures — horse-headed and maiden-headed — dressed in layered cloth added year over year, danced in the hands of blind mediums (itako) at rites.
- Powers
- Oversees silkworms, agriculture, women, and the household's fortunes; communicates through the mediums who animate the figures.
- Weaknesses
- Famously strict observances — taboos on meat and eggs among them; a neglected or offended Oshira-sama withdraws its favor.
- Oddities
- The origin tale is the tradition's starkest love story: a girl and her horse loved each other; her father killed and skinned the horse; the hide wrapped the girl and carried her into the sky — and from their union came the silkworm, grief converted to livelihood.
- Each year's rite adds another layer of cloth to the figures, so the god's body is a stratigraphy of the household's devotion — some are centuries deep.
Overview
Tōhoku's household god comes in pairs: two wooden dolls — mulberry wood, ~30 cm — one male or horse-faced, one female, wrapped in layer upon layer of cloth garments, kept in the alcove [ja-oshira]. Behind them, the founding tragedy:
A farmer's daughter loved the family horse — became intimate with it. The father killed the horse and hung it; the daughter clung to the body, weeping; the father beheaded it — and the daughter flew to heaven with the horse and became Oshira-sama [ja-oshira]. Afterward, in dreams, she taught her parents sericulture — the origin of silk [ja-oshira].
The record
- The rite: festival days on the 16th of lunar months 1, 3, and 9; the dolls are dressed in fresh garments with recitations; blind mediums (itako) perform oshirasōbase — playing the gods [ja-oshira].
- The taboo: no meat of two- or four-footed animals, no eggs, as offerings — violations bring illness or facial disfigurement; abandoning the worship invites family curses [ja-oshira].
- Documentation: Yanagita's Tōno Monogatari (1910) and its Shūi (1935) [ja-oshira]; [yanagita-tono].
- The Oshira-kō at Kudoji (Hirosaki, Aomori): an annual rite each May 15–16 where households bring their doll pairs to the temple and "receive stamped certifications, a practice believed to elevate the deities' spiritual rank" — an Important Intangible Folk Cultural Property since 1999 [ja-oshirako]. The household god with a promotion system: the dolls accrue rank as they accrue garments — worship as a career the family manages for its god.
The reading
The tradition's deepest domestic god. Read the myth's economy: the father's violence destroys an impossible love, and the grief doesn't become a ghost or a grudge — it becomes industry: the ascended pair return teaching silkworms, whose mulberry food is the wood the dolls are carved from, whose thread is the cloth the dolls wear more of every year. The layered garments are the theology in fabric: each festival adds a layer, so the god's body is accumulated worship — a doll that grows warmer as the household's observance lengthens. The taboo list (no flesh, no eggs) keeps the god's table clean of exactly what the myth mourns — killed animals. And the abandonment-curse clause is the binbōgami/kameosa doctrine at maximum stakes: the household spirit as a relationship you cannot resign from. This is the textile lore's divine origin (ouni spins, hatahiro coils — Oshira-sama founds), and the one place in the grief-index where mourning becomes a craft economy.
Two-track labeling
The image

Citations
The record
- [ja-oshira]「おしら様」ja.wikipedia via WebFetch (retrieved 2026-07-26), Tier C.modern reference Japanese Wikipedia's article on this subject, as retrieved in 2026 — often carries regional detail the English article lacks.All-source record
- [ja-oshirako]「久渡寺」(Kudoji) ja.wikipedia via WebFetch (retrieved 2026-07-26), Tier C — the Oshira-kō section.modern reference Japanese Wikipedia's article on this subject, as retrieved in 2026 — often carries regional detail the English article lacks.All-source record
- [yanagita-tono]Tōno Monogatari (1910) — per 04-BIBLIOGRAPHY.md.1910 Yanagita Kunio's Tōno Monogatari, told by Sasaki Kizen — the founding text of Japanese folklore studies (alternate citation key).All-source record
Where the evidence thins
Open questions
- The itako tradition (its own note — the blind mediums' guild deserves the-writers-adjacent coverage; also nearly extinct: living-practice stakes like namahage).
- The Chinese silkworm-horse myth (the Soushenji's horse-skin girl — the import question, labeled).
- Tōno's oshirado (doll halls) today.