How many movies have Hiroki Matsukawa and Miyu Irino acted in together?

They have worked on 2 movies together! Their first movie together was Haikyuu!! Movie 2: Winners and Losers (2015) 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).