Onuma Yuuichi

He is also a depeloper of a famous computer shareware "O's Editor 2" which is very useful text editor and used by many japanese people, including many proffessional writers.

(director)
2003. Jisatsu manual 2, chuukyuu-hen (DVD)
2004. Kill oni-gokko (DVD)
2008. Bodyjack ... assistant
2010. Toshi rei densetsu: Shinrei koujou
2011. Toshi rei densetsu: Yuuko
2012. Toshi rei densetsu: Kuroi onna

(writer)
2008. Makiguri no ana

(producer)
2005. Saigo no bansan

(photo)
2010. Toshi rei densetsu: Shinrei koujou
2011. Toshi rei densetsu: Yuuko

(other)
2003. Jisatsu manual ... assitant director