How many movies have Houko Kuwashima and Tadahisa Saizen acted in together?

They have worked on 2 movies together! Their first movie together was Zone of the Enders: Idolo (2001) while their highest rated movie together was Inuyasha the Movie 4: Fire on the Mystic Island (2004). They have not worked together since Inuyasha the Movie 4: Fire on the Mystic Island (2004).