How many movies have Keisuke Morishita and Noriko Ohara collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: Nobita's Dinosaur (1980) while their highest rated movie together was Doraemon: Nobita and the Castle of the Undersea Devil (1983). They have not worked together since Doraemon: Nobita and the Castle of the Undersea Devil (1983). They are most known for their fantasy films together.