How many movies have Hirokazu Hiramatsu and Hochu Otsuka acted in together?

They have worked on 2 movies together! Their first movie together was Heavy Metal L-Gaim II: Farewell My Lovely + Pentagona Dolls (1987) and was their highest rated movie together. They have not worked together since Heavy Metal L-Gaim III - Full Metal Soldier (1987).