How many movies have Shin Morikawa and Yoji Yamada collaborated on?

They have worked on 10 movies together! Their first movie together was It's Tough Being a Man (Television Drama DVD Edit Edition) (1968) while their highest rated movie together was It's Tough Being a Man (1969). They have not worked together since Tora-san's Love Call (1971). They are most known for their comedy films together.