How many movies have Mariya Ise and Satoshi Sakai collaborated on?

They have worked on 5 movies together! Their first movie together was Girls und Panzer: The Movie (2015) while their highest rated movie together was Kabaneri of the Iron Fortress Recap 2: Burning Life (2017). They have not worked together since Made in Abyss: Dawn of the Deep Soul (2020). They are most known for their animation films together.