How many movies have Yoshihiro Kawasaki and Yu Mitsui collaborated on?

They have worked on 3 movies together! Their first movie together was Joshidaisei: The anaba (1981) while their highest rated movie together was Uno Koichiro no Hiraite Utsushite (1981). They have not worked together since Debauchery: Salome's Lips (1984).