By Jérémy, Dai Yokai founder · @dai.yokai | Updated: May 2026
Some masks are made to look scary. Kuchisake-Onna is different. The fear comes from one small, polite question: Am I beautiful?
When I built my articulated version, I kept that in mind. Closed, it reads like a quiet face. Open the jaw, and the whole story appears at once.
Who is Kuchisake-Onna?
Kuchisake-onna (口裂け女, literally "slit-mouthed woman") is a yōkai and onryō (vengeful spirit) from Japanese folklore. She is the ghost of a woman mutilated by her samurai husband: he slit her mouth from ear to ear after suspecting her of infidelity. Transformed into a malevolent spirit, she roams the night wearing a surgical mask and poses a trick question to passersby: "Am I beautiful?" Any wrong answer is fatal.
Get your kuchisake mask here Etymology: The Name That Says It All Kanji
The name is clinical. No metaphor, no poetry. Three kanji, three facts: a mouth, split open, on a woman. It is this linguistic brutality that makes the name impossible to forget.
The Original History: The Heian Era (794-1185)
The original legend dates back to the Heian period (794-1185), one of the most refined but also the most cruel eras in Japanese history.
The tragedy
A woman of exceptional beauty, the most beautiful in her village, was the wife (or concubine) of an extremely jealous samurai. She used to ask the men of the village if they found her beautiful. One day, the samurai caught her in the company of another man.
Enraged and consumed by dishonor, he drew his weapon and slashed her mouth from the corners to her ears. As he mutilated her, he uttered the phrase that would haunt Japan for centuries:
The woman died soon after. But instead of disappearing, she transformed into an onryō (怨霊, vengeful spirit), the most dangerous type of ghost in Japanese folklore. The same spirits that inspired Sadako ( Ring ) and Kayako ( The Grudge ).
Her goal for eternity: to reproduce on others the mutilation she suffered.
What you need to understand
The Kuchisake-onna is not a monster who kills for pleasure. She is a victim turned predator. Her story is that of a woman destroyed by a patriarchal system where feminine beauty was both worshipped and punished. This theme, beauty as a trap and a condemnation, runs throughout Japanese folklore. It is found in the Hannya mask (a woman transformed into a demon by jealousy) and in the legend of the Jorōgumo (a spider that takes the form of a woman to devour men).
How the legend traps you
This is THE question everyone is asking. The scene is always the same: you are alone, at night, in a foggy alley. A woman in a surgical mask approaches and asks:
Phase 1: “ Watashi, kirei?” », “Am I beautiful? »
She kills you instantly with her scissors.
She removes her mask, revealing her split mouth, and asks.
Phase 2: " Kore demo? ", "Even like this?"
She kills you instantly
She follows you home and kills you at your doorstep (or disfigures you so that you become a Kuchisake-onna yourself)
The 5 known survival methods
The neutral response
Saying " Maa maa desu " ("You're average / so-so")
This plunges her into confusion, she doesn't know if it's positive or negative
Ask him/her, "And you, do you find me handsome/beautiful?"
Disturbed, she no longer knows what to do and leaves
Throwing bekko-ame (amber hard candies) on the ground
She loves candy and stops to pick it up
Yell “ POMADE!” » (ポマード) three times
A possible reference to the smell of the surgeon who operated on her (modern version), she recoils in terror
Run as far as possible without looking back
Some versions say that she gets tired over long distances (but according to others, she runs at 100 km/h )
My advice: If you're at a cosplay convention and someone is wearing an articulated Kuchisake-onna mask, the best survival strategy is a compliment. And a piece of candy.
The Panic of 1979: When the Legend Became Real
This is what makes Kuchisake-onna unique among all the world's urban legends: it caused a documented mass panic.
Timeline of events
The first rumor in Yaotsu (Gifu Prefecture). An old peasant woman with a weathered face stands in her garden at night. The children mistake her for Kuchisake-onna.
First mention in the press: the Gifu Nichi Nichi Shimbun newspaper publishes an article
The rumor spread throughout Japan. The magazine Shukan Asahi (March 23) and then Shukan Shincho (April 5) published articles
Mass hysteria: children refuse to go out alone. Schools are organizing group returns. Parents are forming escort patrols (PTAs).
Police are increasing patrols in the prefectures of Fukushima, Kanagawa and Hokkaido
A 25-year-old woman was arrested in Himeji for wandering around with a knife and a surgical mask, disguised as Kuchisake-onna.
The school holidays calm the panic. The rumor gradually dies down.
The legend resurfaced via early internet forums.
A new wave of popularity. The legend is exported to South Korea and China.
Why 1979?
Professor Iikura Yoshiyuki (Kokugakuin University), a specialist in oral literature, has a theory: in 1979, more and more relatively well-off families were sending their children to juku (preparatory evening schools). Less affluent families supposedly used Kuchisake-onna as a scarecrow: "If you go out at night, she'll catch you." The children took the threat seriously, and then passed it on to their classmates.
The legend spread exactly like a virus: by word of mouth, in school playgrounds, and then amplified by the local press. It is the first purely Japanese urban legend to have had a measurable impact on public life.
Does Kuchisake Really Exist?
No, not in the supernatural sense. No vengeful spirit has ever been scientifically documented.
Yes, in a social sense: the 1979 Himeji incident (woman arrested with a knife) is a real event. And in 2004, several South Korean press reports indicated sightings of a "masked woman" asking questions of children, reigniting panic.
What makes Kuchisake-onna believable is the surgical mask. In a country where wearing a mask is perfectly normal (long before Covid), any masked woman in a dark alley can become suspicious. That's the genius of this legend: it transforms an everyday gesture into a source of terror.
Kuchisake-onna vs The Other Yokai Women
Japanese mythology is full of dangerous, supernatural women. Here's how Kuchisake-onna compares:
Kuchisake-onna (口裂け女)
Onryō (vengeful spirit) / urban legend
Noh mask / transformation
Elemental Yōkai (snow)
Yōkai shapeshifter (spider)
Heian (origin) → 1979 (resurgence)
Muromachi (15th century)
Edo → 1904 (Lafcadio Hearn)
Edo → 1776 (Toriyama Sekien)
Trick question + scissors
Rage / transformation
Seduction + silk fabric
Scissors, knife or sickle
Silk threads + fire spiders
Children, students, single men
The man who betrayed her
Mountain travelers
Yes (bekko-ame, "Pomade", neutral response)
No (if complete transformation)
Yes (if we keep our promise)
No (except with the intervention of a monk)
What it symbolizes
Pressure on beauty / patriarchal violence
Destructive jealousy
Forbidden love / betrayal
The Dangers of Seduction
articulated Kuchisake
Traditional Hannya
To learn more about these dangerous women of folklore, read my full article: Geisha and Yōkai: When Beauty Hides the Monster.
The 5 Scariest Japanese Urban Legends
Kuchisake-onna didn't come from nowhere. She's part of a uniquely Japanese ecosystem of terror. Here are the legends surrounding her:
Link with Kuchisake-onna
Streets, alleyways
Trick question + mutilation
Knock three times on the third door to summon a ghost girl
Targeting children, school environment
Stations, corridors
A ghost cut in two, crawling at high speed
Mutilation + superhuman speed
A voice asks, "Red paper or blue paper?", both answers are deadly.
Binary trick question (same pattern)
Hitori Kakurenbo (ひとりかくれんぼ)
Hide-and-seek with a possessed doll
What makes Kuchisake-onna #1 is that she's the only one to have caused a real and documented panic in 1979. The others remain in playground stories. She, on the other hand, mobilized the police.
Kuchisake-onna in Pop Culture
Pom Poko (Studio Ghibli)
Brief appearance in a yōkai parade
Kuchisake-onna (Teruyoshi Ishii)
First live-action adaptation
Carved: The Slit-Mouthed Woman (Kōji Shiraishi)
The most faithful full-length film to the legend
Carved 2 + Carved 0
Sequel and prequel
Jujutsu Kaisen (Gege Akutami)
A reference in the world of plagues
Stylistic influence (surgical mask + blade)
The Dark Knight (Nolan)
Possible influence on the Joker (Glasgow scars, the question "Wanna know how I got these scars?"), unconfirmed
My Opinion as a Craftsman: The Articulated Kuchisake-onna Mask
The Kuchisake-onna legend is what inspired me to create my first articulated mask. Why? Because her story hinges on a single gesture: removing the mask. The transition from beautiful to terrifying, in an instant.
My articulated Kuchisake-onna mask replicates this mechanism exactly. At rest, it resembles a classic half-mask. As soon as you speak or open your mouth, the jaw opens to reveal gaunt teeth and hand-painted raw flesh.
For those who want to take the concept even further, I've also created a version with hair: the articulated Kuchisake-onna + hair. The long, flowing black hair replicates the classic look of the Japanese onryō. And there's the Kuchisake x Tentacles collaboration version, a unique crossover with the artist Melissa from Adopte ton Poulpe.
All made from PETG (high-strength polymer) in my workshop in Plélan-le-Grand, Brittany. PETG is lightweight (suitable for all-day wear at conventions), strong (the hinged jaw withstands hundreds of openings and closings without breaking), and durable (resistant to heat and humidity). Wood is a noble material, but a wooden hinged mechanism would break after a week of heavy use. PETG won't.
Use in Decoration or Cosplay
Recommended products
Horror cosplay (convention)
Articulated kuchisake + beige trench coat + toy scissors
You ask passersby, "Am I beautiful?" Their jaws drop. Guaranteed effect.
"Demonic Women" Wall
Kuchisake + Geisha Horror + Traditional Hannya
Matte black background, side lighting. Three stages: beauty → decay → demon
Halloween / Horror Night
The most effective way to scare people. The hair adds striking realism.
Cabinet of curiosities
Kuchisake on Hōju Pedestal
Next to a Yūrei, the ghost duo of Japan
Numbers and Superstitions of Japan (Culture Bonus)
Since many people interested in Kuchisake-onna also seek to understand Japanese superstitions, here is a bonus table:
The cursed number: 4 (四, shi )
It is pronounced like "death" (死, shi ). Japanese hospitals often do not have a room 4 or a 4th floor.
The cursed number: 9 (九, ku )
Pronounced like "suffering" (苦, ku )
Worn daily in Japan for hygiene reasons. This is what makes Kuchisake-onna so terrifying: it blends into normality.
In Japanese folklore, sharp objects can become tsukumogami (animated objects) after 100 years.
- Slit-Mouthed Woman