How many movies have Kenji Kawai and Kohsuke Toriumi collaborated on?

They have worked on 8 movies together! Their first movie together was Towa no Quon 1: The Ephemeral Petals (2011) while their highest rated movie together was Hakuouki: Warrior Spirit of the Blue Sky (2014). They have not worked together since Hakuouki: Warrior Spirit of the Blue Sky (2014). They are most known for their animation films together.