How many movies have Ken Iwate and Seiji Nakamitsu collaborated on?

They have worked on 5 movies together! Their first movie together was Groper Train: Mature Woman's Thighs (1992) while their highest rated movie together was Sticky Wife, Begging Wife (1997). They have not worked together since Sticky Wife, Begging Wife (1997).

Sticky Wife, Begging Wife (1997)

Crew
Lighting Camera
Role

Groper Train: The Touch of a Married Woman (1995)

Crew
Lighting Director
Role
Ryosuke

Groper Train Office Lady: Love in the Train (1994)

Crew
Lighting Director
Role
Headhunter

Groper Train: Commuting Lower Body (1992)

Crew
Lighting Director
Role
Imagawa

Groper Train: Mature Woman's Thighs (1992)

Crew
Lighting Director
Role
Natsuko's friend