Part ofThe Senritsu Kaiki! Files

Includes Senritsu Kaiki File Kowasugi! File 01: Operation Capture the Slit-Mouthed Woman (2012), Senritsu Kaiki File Kowasugi! File 02: Shivering Ghost (2012), Senritsu Kaiki File Kowasugi! Final Chapter (2015), Senritsu Kaiki File Super Kowa Too! Fear Adventure: Kokkuri-san (2015), Senritsu Kaiki File Kowasugi! The Most Terrifying Movie in History (2014), Senritsu Kaiki File Kowasugi! File 04: The Truth! Hanako-san in the Toilet (2013), Senritsu Kaiki File Super Kowa Too! Dark Mystery: Snake Woman (2015), Senritsu Kaiki File Kowasugi! Preface: True Story of the Ghost of Yotsuya (2014), Senritsu Kaiki File Kowasugi! File 03: Legend of a Human-Eating Kappa (2013), and Senritsu Kaiki World Kowasugi! (2023).