How many movies have Hiroshi Kamiya and Masashi Sogo collaborated on?

They have worked on 4 movies together! Their first movie together was Towa no Quon 3: The Complicity of Dreams (2011) and was their highest rated movie together. They have not worked together since Towa no Quon 6: Eternal Quon (2011). They are most known for their science fiction films together.