How many movies have Osamu Sakaguchi and Ryo Iwamatsu collaborated on?

They have worked on 2 movies together! Their first movie together was Adrift in Tokyo (2007) and was their highest rated movie together. They have not worked together since Instant Swamp (2009).

Crew
Original Music Composer
Role
Kamesaka
Crew
Original Music Composer
Role
Kunimatsu