How many movies have Hitomi Kakubari and Riki Matsuura collaborated on?

They have worked on 2 movies together! Their first movie together was Welcome to the Space Show (2010) while their highest rated movie together was Doraemon: Nobita and the New Steel Troops: Winged Angels (2011). They have not worked together since Doraemon: Nobita and the New Steel Troops: Winged Angels (2011).