How many movies have Akio Otsuka and Junko Sakai collaborated on?

They have worked on 2 movies together! Their first movie together was My Hero Academia: Two Heroes (2018) while their highest rated movie together was Evangelion: 3.0+1.0 Thrice Upon a Time (2021). They have not worked together since Evangelion: 3.0+1.0 Thrice Upon a Time (2021).