Spin-off film in Kōji Shiraishi's "Senritsu Kaiki File Kowasugi" series. Made in 2014 and broadcast on NicoNico in 2015.
1957
2023
2024
2019
2016
1982
2006
1990
1979
1989
1980
2005
1981
2010
1976
1998
2007