How many movies have Kaori Higuchi and Ryusei Nakao collaborated on?

They have worked on 4 movies together! Their first movie together was Plastic Little: The Adventures of Captain Tita (1994) while their highest rated movie together was Bleach the Movie: Fade to Black (2008). They have not worked together since Bleach the Movie: Fade to Black (2008). They are most known for their animation films together.