How many movies have Takehito Koyasu and Youichi Ishikawa collaborated on?

They have worked on 2 movies together! Their first movie together was Bronze: Zetsuai Since 1989 (1996) while their highest rated movie together was Kaguya-sama: Love Is War -The First Kiss That Never Ends- (2022). They have not worked together since Kaguya-sama: Love Is War -The First Kiss That Never Ends- (2022).