How many movies have Kyoko Kotani and Tomomi Shimazaki collaborated on?

They have worked on 3 movies together! Their first movie together was Naruto Shippuden the Movie: The Lost Tower (2010) while their highest rated movie together was Saint☆Young Men (2013). They have not worked together since Eureka: Eureka Seven Hi-Evolution (2021). They are most known for their animation films together.