How many movies have Itaru Yamamoto and Saori Hayami acted in together?

They have worked on 2 movies together! Their first movie together was Code Geass: Akito the Exiled 1: The Wyvern Arrives (2012) while their highest rated movie together was The Irregular at Magic High School: The Girl Who Summons the Stars (2017). They have not worked together since The Irregular at Magic High School: The Girl Who Summons the Stars (2017).