How many movies have Masanori Kudo and Seiji Nakamitsu collaborated on?

They have worked on 4 movies together! Their first movie together was 寝乱れ義母 夫の帰る前に (2003) while their highest rated movie together was Frustrated Relationships Catwoman Crotch (2020). They have not worked together since Monmon hôjin: Barikyari otoko kui (2022).