Shinya Tsukamoto
is a 2005 Japanese mystery horror film written and directed by Shinya Tsukamoto who also stars in the movie. After appearances at several international festivals in 2005, the film debuted theatrically in Japan on March 4, 2006. Two versions of the film exist: the original release, a short 25 minute version; and what Director Tsukamoto entitled the "Long Version", which runs 49 minutes.