How many movies have Tomokazu Seki and Yoshihiro Aso collaborated on?

They have worked on 8 movies together! Their first movie together was One Piece: Chopper's Kingdom on the Island of Strange Animals (2002) while their highest rated movie together was Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World (2011). They have not worked together since Pretty Cure All Stars: Spring Carnival (2015). They are most known for their action films together.