6.6 Senritsu Kaiki File Kowasugi! The Most Terrifying Movie in History May. 03, 2014 Senritsu Kaiki File Kowasugi! The Most Terrifying Movie in History IMDb: 6.6 2014 80 min 100 views Sixth file installment in the Kôji Shiraishi mockumentary franchise, “Senritsu Kaiki File Kowasugi!”. Horror