How many movies have Chiwa Saito and Soichiro Hoshi acted in together?

They have worked on 7 movies together! Their first movie together was Broken Blade: The Time of Awakening (2010) while their highest rated movie together was Kuroko's Basketball the Movie: Last Game (2017). They have not worked together since Kuroko's Basketball the Movie: Last Game (2017). They are most known for their animation films together.