How many movies have Hiroaki Hirata and Hiroshi Iwasaki acted in together?

They have worked on 3 movies together! Their first movie together was TIGER & BUNNY: The Beginning (2012) while their highest rated movie together was Maquia: When the Promised Flower Blooms (2018). They have not worked together since Maquia: When the Promised Flower Blooms (2018). They are most known for their animation films together.