How many movies have Masayuki Sekine and Yasunori Matsumoto collaborated on?

They have worked on 3 movies together! Their first movie together was Doraemon: Nobita and the Winged Braves (2001) while their highest rated movie together was Bodacious Space Pirates: Abyss of Hyperspace (2014). They have not worked together since Doraemon: Nobita's Treasure Island (2018). They are most known for their science fiction films together.