Senritsu Kaiki File Kowasugi File 01: Operation Capture the Slit-Mouthed Woman (2012) New mocumentary series from auteur Koji Shiraishi. POV style depiction of a TV crew as they cover the urban legend of "Kuchisake-Onna" or "Slit-Mouthed Woman". Director Kudo (Osako Shigeo), assistant director Ichikawa (Kuboyama Chika) and cameraman Tashiro (Shiraishi) work at a video production company, and are sent amateur footage of a supposed sighting. This leads them down a path of treacherous investigation and inventive experiments.