How many movies have Mutsuo Yoshioka and Shōji Sakai collaborated on?

They have worked on 8 movies together! Their first movie together was Dating site for married women (2002) while their highest rated movie together was The Strange Saga of Hiroshi the Freeloading Sex Machine (2005). They have not worked together since Aiyoku: Love Desire (2006). They are most known for their drama films together.