How many movies have Hitoshi Ishikawa and Natsumi Kôda collaborated on?

They have worked on 1 movie together! Their first movie together was (Marunama) Terekura: Nigiritagaru Hitozuma-tachi (1986) and was their highest rated movie together. They have not worked together since (Marunama) Terekura: Nigiritagaru Hitozuma-tachi (1986).