Uwasa no Shinsô! Kuchisake-onna(2007)

Uwasa no Shinsô! Kuchisake-onna is a horror documentary that investigates the origins of Japan's most notorious urban legend. In the late 1970s, the Slit-Mouthed Woman emerged as a widespread phenomenon, terrifying the public with tales of a disfigured woman stalking the streets. The film traces the legend's roots, examining who she might have been, her alleged appearance, and the folklore surrounding her. Through interviews and historical accounts, it separates fact from fiction, revealing how a single rumor spiraled into a cultural panic that defined an era of Japanese horror mythology. The documentary combines archival material with expert analysis to understand how this urban legend took hold and why it continues to captivate audiences decades later.