How many movies have Fusanobu Fujiyama and Toshihiko Seki collaborated on?

They have worked on 6 movies together! Their first movie together was Hades Project: Zeorymer Separation (1988) while their highest rated movie together was Calico Cat Holmes and the Lord of the Haunted Castle (1992). They have not worked together since Calico Cat Holmes and the Lord of the Haunted Castle (1992). They are most known for their animation films together.