How many movies have Makoto Kamiya and Rie Ôta collaborated on?

They have worked on 1 movie together! Their first movie together was Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack (2001) and was their highest rated movie together. They have not worked together since Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack (2001).