Koji Shiraishi (白石 晃士 Shiraishi Kōji) was born and raised in Fukuoka, Japan. After graduating from Kyushu Sangyo University with a degree in film making, he went on to work as an assistant director on such films as Gakuryū Ishii's August in the Water and Shinobu Yaguchi's WATER BOYS.
He cites Gakuryū Ishii as his favorite Japanese director, and Ishii's 1980 Crazy Thunder Road as his favorite film. Other directors he admires include John Carpenter, Brian De Palma, Abbas Kiarostami, and Sam Raimi, and films he enjoy include the original Dawn of the Dead (1978), The Evil Dead (1981), Evil Dead 2: Dead by Dawn (1987), The Thing (1982), and The Texas Chain Saw Massacre (1974)
Senritsu Kaiki File Super Kowa Too! Dark Mystery: Snake Woman (2015)
as Masatsugu Tashiro
Senritsu Kaiki File Super Kowa Too! Fear Adventure: Kokkuri-san (2015)
as Masatsugu Tashiro
Senritsu Kaiki File Kowasugi! The Most Terrifying Movie in History (2014)
as Masatsugu Tashiro
Senritsu Kaiki File Kowasugi! Preface: True Story of the Ghost of Yotsuya (2014)
as Masatsugu Tashiro
Senritsu Kaiki File Kowasugi! File 04: The Truth! Hanako-san in the Toilet (2013)
as Masatsugu Tashiro
Senritsu Kaiki File Kowasugi! File 03: Legend of a Human-Eating Kappa (2013)
as Masatsugu Tashiro
Senritsu Kaiki File Kowasugi! File 02: Shivering Ghost (2012)
as Masatsugu Tashiro