How many movies have Mitsuru Fukudawara and Rinako Hirasawa collaborated on?

They have worked on 2 movies together! Their first movie together was The Strange Saga of Hiroshi the Freeloading Sex Machine (2005) while their highest rated movie together was New Tokyo Decadence: The Slave (2007). They have not worked together since New Tokyo Decadence: The Slave (2007).