How many movies have Shizuka Itoh and Toshinori Watanabe collaborated on?

They have worked on 3 movies together! Their first movie together was Detective Conan: The Lost Ship in the Sky (2010) while their highest rated movie together was Pretty Guardian Sailor Moon Cosmos the Movie Part 2 (2023). They have not worked together since Pretty Guardian Sailor Moon Cosmos the Movie Part 2 (2023). They are most known for their animation films together.