How many movies have Jouji Yanase and Ryo Horikawa collaborated on?

They have worked on 4 movies together! Their first movie together was Lullaby for Wednesday's Cinderella (1987) while their highest rated movie together was Detective Conan: The Last Wizard of the Century (1999). They have not worked together since Detective Conan: The Last Wizard of the Century (1999). They are most known for their animation films together.