How many movies have Masahiro Yoshimoto and Ren Osugi collaborated on?

They have worked on 5 movies together! Their first movie together was Semi-dokyumento: Tokkun Meiki Dukuri (1981) while their highest rated movie together was Porno document: Toruko tokkyû bin (1982). They have not worked together since Kahanshin Shôkôgun (1984).