Spin-off film in Kōji Shiraishi's "Senritsu Kaiki File Kowasugi" series. Made in 2014 and broadcast on NicoNico in 2015.
as Sadako (archive footage)
as Kayako (archive footage)
as Toshio (archive footage)
as Miho Ichikawa
as Hatsune Matsushima
as Masatsugu Tashiro
as Jin Kudo