How many movies have Koji Okumura and Yukijiro Hotaru collaborated on?

They have worked on 6 movies together! Their first movie together was Sex Document: Nakase Jôzu (1985) while their highest rated movie together was Chikatetsu renzoku reipu: Aijin-gari (1988). They have not worked together since Chikatetsu renzoku reipu: Aijin-gari (1988). They are most known for their comedy films together.