How many movies have Michiko Notsu and Nishiki Itaoka collaborated on?

They have worked on 4 movies together! Their first movie together was One Piece: Giant Mecha Soldier of Karakuri Castle (2006) while their highest rated movie together was Pretty Cure All Stars F (2023). They have not worked together since Pretty Cure All Stars F (2023). They are most known for their fantasy films together.