Kotsutsubo
骨壺
Kotsutsubo Online is Free. Eri (Matsubara) is a high school student who is anonymous unlike her friend Mitsuko (Yokoyama) who is the target of amorous advances from their teacher, Ichida (Tsubouchi). Eri comes across a novel way to protect Mitsuko: find a cursed funerary urn that contains ashes reputed to cause death and give said ashes to teacher.
- Genre: Horror
- Country: Japan
- Director: Jirô Nagae
- Cast: Natsumi Matsubara, Ai Shinozaki, Rurika Yokoyama, Kenta Itogi, Kazuhiko Kanayama, Rina Miyazaki, Mamoru Tsubouchi,