How many movies have Sadatoshi Matsuzaka and Shinichiro Minami collaborated on?

They have worked on 4 movies together! Their first movie together was Gensomaden Saiyuki Requiem: For the One Not Chosen (2001) while their highest rated movie together was Yowamushi Pedal: The Movie (2015). They have not worked together since Yowamushi Pedal: The Movie (2015). They are most known for their animation films together.