Haruna Tsunematsu (Yuri Tsunematsu) is studying folklore at university and she decides the subject of her graduation thesis will be the “Kisaragi Station” urban legend which has been a hot topic on the Internet since 2004.

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.