Spin-off film in Kōji Shiraishi's "Senritsu Kaiki File Kowasugi" series. Made in 2014 and broadcast on NicoNico in 2015.
- PUAN VER
Künye
Koji ShiraishiYönetmen, Senaryo
Elly NanamiSadako (archive footage)
Runa EndoKayako (archive footage)
Rintaro ShibamotoToshio (archive footage)
Chika KuboyamaMiho Ichikawa
Hatsune MatsushimaHatsune Matsushima
Shigeo ÔsakoJin Kudo