How many movies have Hiromi Hata and Masami Otsuka 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 Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They are most known for their family films together.