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A public archive for documenting encounters with the unexplained. Every report is preserved as submitted; classification and corroboration notes are added by archive staff. We do not ask you to be believed — only to be precise.

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Archive est. 2026 · Reports are witness testimony, not verified fact · Stay curious. Stay skeptical. Stay alive.

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Bestiary / SPK-017

Artist's impression

Case file SPK-017Sporadic Reports

Kuchisake-onna

Also known as The Slit-Mouthed Woman

ApparitionSevereArchive threat assessment: 4/5 · Severe

DossierDossier ReportsEncounter reports(1)DiscussionDiscussion(0)

1 report name this entity.

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Field ReportDocumentedEditorial reconstructionRPT-2026-0009She asked if she was pretty — Sangenjaya, Tokyo, 11:52 p.m.I grew up on this story. Everyone my age in Japan did — our parents lived through the 1979 panic, when schools actually organized group walks home. So…Sangenjaya, Setagaya, Tokyo, Japan2 min2 notesFeb 20, 2026