How many movies have Osamu Inoue and Tetsu Ōe collaborated on?

They have worked on 4 movies together! Their first movie together was Lovers Are Wet (1973) while their highest rated movie together was Jitsuwa Poruno Jikenbo: Kekkon Sagi (1973). They have not worked together since Wakazuma nikki: Modaeru (1977). They are most known for their drama films together.