How many movies have Maaya Sakamoto and Shingo Nakamura collaborated on?

They have worked on 4 movies together! Their first movie together was Code Geass: Akito the Exiled 1: The Wyvern Arrives (2012) while their highest rated movie together was Words Bubble Up Like Soda Pop (2021). They have not worked together since Words Bubble Up Like Soda Pop (2021). They are most known for their animation films together.