Hanzo the Razor

From Eigapedia

Hanzo the Razor is the first part of a trilogy of chambara films starring Shintaro Katsu. It involves a police officer in Edo period Japan who uses his cunning and sexual prowess to solve cases when the corrupt officials turn a blind eye.

[edit] Trivia

A thinly disguised parody of Hanzo the Razor is featured several times in the samurai anime Samurai Champloo.