How many movies have Emi Ikebuchi and Kazuhiko Inoue collaborated on?

They have worked on 4 movies together! Their first movie together was The Last: Naruto the Movie (2014) while their highest rated movie together was Boruto: Naruto the Movie (2015). They have not worked together since Natsume's Book of Friends: The Waking Rock and the Strange Visitor (2021). They are most known for their animation films together.