How many movies have Akio Otsuka and Shigenori Souya acted in together?

They have worked on 3 movies together! Their first movie together was Mobile Suit Gundam: The Origin II - Artesia's Sorrow (2015) while their highest rated movie together was One Piece: Stampede (2019). They have not worked together since One Piece: Stampede (2019). They are most known for their action films together.