How many movies have Shinji Matsuda and Tomokazu Seki collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: Nobita's Secret Gadget Museum (2013) while their highest rated movie together was Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They have not worked together since Doraemon the Movie: Nobita's Little Star Wars 2021 (2022). They are most known for their family films together.