How many movies have Takuya Iida and Yuko Nishiyama collaborated on?

They have worked on 4 movies together! Their first movie together was Lupin the Third vs. Detective Conan: The Movie (2013) while their highest rated movie together was Go! Anpanman: Dororin and the Transformation Carnival (2022). They have not worked together since Go! Anpanman: Dororin and the Transformation Carnival (2022). They are most known for their animation films together.