How many movies have Naohiro Hirakawa and Takayuki Sugimura collaborated on?

They have worked on 2 movies together! Their first movie together was Married Women Who Want to Do It (2003) while their highest rated movie together was Married Women Who Want to Do It 2: Ascension Technique (2003). They have not worked together since Married Women Who Want to Do It 2: Ascension Technique (2003).