How many movies have Akiko Ishida and Tomohiro Nishiyama collaborated on?

They have worked on 3 movies together! Their first movie together was Crayon Shin-chan: Invoke a Super Storm! The Hero of Kinpoko (2008) while their highest rated movie together was Crayon Shin-chan: Roar! Kasukabe Animal Kingdom (2009). They have not worked together since Crayon Shin-chan: Roar! Kasukabe Animal Kingdom (2009). They are most known for their animation films together.