How many movies have Hiroyuki Horiuchi and Shunichiro Yoshihara collaborated on?

They have worked on 4 movies together! Their first movie together was Ah! My Goddess: The Movie (2000) while their highest rated movie together was Yowamushi Pedal: The Movie (2015). They have not worked together since Detective Conan: Episode One - The Great Detective Turned Small (2017). They are most known for their animation films together.