How many movies have Han Seung-ah and Hirofumi Masuda collaborated on?

They have worked on 3 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 Doraemon the Movie: Nobita's Sky Utopia (2023). They are most known for their animation films together.