Ishikawa Hitoshi

a.k.a. Ishikawa Kin
His work "Wakaokusama no nama shitagi" (trans. Lingerie of a Young Madam) (1987) is very very fine, though it's X-rated.

(director)
2003. Shuudan satsujin club
2003. Shuudan satsujin club: Returns
2004. Shuudan satsujin club: Saigo no satsuriku
2005. Chou kowai hanashi: the Movie
2007. Shokushu acme (DVD)
2008. Shokushu acme 2: Kyonyuu OL ryoujoku-hen (DVD)
2008. Shokushu acme 3: Kyonyuu joshikousei shuudan ryoujoku-hen (DVD)
2008. Shokushu acme 4: Kyonyuu nurse ryoujoku-hen (DVD)
2008. Shokujuu marunomi acme (DVD)
2009. Shokushu acme 5: Lolita kyonyuu joshikousei ryoujoku-hen (DVD)
2009. Shokujuu marunomi acme: Ozawa Maria (DVD)

(writer)
2005. Chou kowai hanashi: the Movie