The modern version of The Slit-Mouthed Woman came from the seventies, but it’s also believed that an older version of her legend existed back in the Edo period. The original story spoke of a woman who was as beautiful as she was vain, which caused her jealous husband to think she was cheating. One day, when she asked him for the millionth time if she was beautiful, he slit her mouth in a fit of rage. After that, it was rumored that she would appear at night and ask strangers if they thought she was beautiful while hiding her face behind a mask. If they said yes, she would remove her mask and cut their mouths to match hers; if they said no, she would cut them for being assholes. In fact, the only real answer is to say “you’re okay” and run like hell while she ponders what that means or, if you don’t have an answer, you can tell her you have a previous engagement and she’ll excuse herself. She’s nothing if not polite.
Kuchisake Onna may not have ever existed, but like her spooky contemporaries all over the world, she has made herself a staple in horror in and out of Japan. She has dozens of her own domestic movies, with the most popular being the 2007 movie Carved: The Slit-Mouthed Woman, about the Kuchisake resurfacing after an earthquake and possessing women around to town to go around and do her dirty deeds. This reviewer has personally seen the movie and gives it a solid 3 out of 4 stars for its creepy tone and well-placed brutality. She has started to make appearances on US soil as well, with her most recent appearance on the show Constantine, where she hangs out in the New Orleans bayou giving people the willies.
Manga-wise, she has appeared in every horror collection and Halloween special that’ll take her. Among various works, she appears in her own manga, most notably Kuchisake Onna Denetsu, written and illustrated by Kanako Inuki, whose translated works include the three-part Presents and the horror collection School Zone about children trapped in a school overrun with Japanese urban legends and ghosts. If you are a French reader, there is a translated version of the Slit-Mouthed work titled La Femme Defiguree. For English translations, she is mostly included in supernatural-inspired works as a side character in such titles as Mob Psycho 100, Franken Fran, and Hanako and the Terror of Allegory (most likely a play on Hanako-Chan of the Toilet, another popular Japanese urban legend).
So, while perhaps Kuchisake Onna is still finding her footing abroad, she has helped change the landscape of Japanese horror. She has paved the way for modern yurei (Japanese ghosts) and has even inspired her own real-life panic. That’s like if the Lovers Lane hook killer actually got teens to stop necking in the woods!
Hopefully, as time marches on, so does progression and there will be a time when The Slit-Mouthed Woman will not be needed anymore. Until then, watch your back; you never know what’s watching you from around the corner.