The novel was turned into a 2008 live action movie, directed by Masato Harada and starring Shinichi Tsutsumi, Hiroshi Abe, Kippei Shiina, Hiroyuki Miyasako, and Rena Tanaka.
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The manga adaptation features art by Aki Shimizu and a script by Natsuhiko Kyogoku himself, and began serialization in 2007.