How many movies have Kōichi Saitō and Narutoshi Ishikawa collaborated on?

They have worked on 3 movies together! Their first movie together was Sex Virgin Unit: Party of Beasts (1985) while their highest rated movie together was Hitozuma korekutā (1985). They have not worked together since Office Lady Rape: Disgrace! (1986). They are most known for their drama films together.