How many movies have Masaru Mori and Yoshihiro Kawasaki collaborated on?

They have worked on 7 movies together! Their first movie together was Secret Honeymoon: Assault Train (1977) while their highest rated movie together was Uno Koichiro no Hiraite Utsushite (1981). They have not worked together since Fallen Angel Gang (1981). They are most known for their drama films together.