This is from a long running shoujo-horror oneshot anthology from Bonita magazine called "Yamitoshi Densetsu" ("Black Urban Legends"). This oneshot and the Halloween Day oneshot are from "Fushi Chou" ("Immortal Butterfly"), the second anthology. These oneshots are typical of what you expect from a horror movie. This oneshot in particular oneshot left those who read it in the group with lots of juicy questions.
And without further rambling! Links to "Satsujin Douga": (PDF) (Zip)