Spin-off film in Kōji Shiraishi's "Senritsu Kaiki File Kowasugi!" series. Broadcast on NicoNico.
| Actor | Role |
|---|---|
 Shigeo ÔsakoJin Kudo | Jin Kudo |
 Chika KuboyamaMiho Ichikawa | Miho Ichikawa |
 Koji ShiraishiMasatsugu Tashiro | Masatsugu Tashiro |
 Shunsuke TanakaNot listed | Not listed |