How many movies have Kazuo Yagyu and Koshiro Asami collaborated on?

They have worked on 7 movies together! Their first movie together was Extracurricular Activities: Almost Ripe (1978) while their highest rated movie together was Uno Koichiro no Hiraite Utsushite (1981). They have not worked together since Uno Koichiro no Hiraite Utsushite (1981).