How many movies have Madoka Ozawa and Yumi Chiba collaborated on?

They have worked on 5 movies together! Their first movie together was Doraemon: The New Record of Nobita's Spaceblazer (2009) while their highest rated movie together was Crayon Shin-chan: Super-Dimension! The Storm Called My Bride (2010). They have not worked together since Crayon Shin-chan: My Moving Story! Cactus Large Attack! (2015). They are most known for their animation films together.