How many movies have Kōji Hio and Toshiyuki Tsuchiyama acted in together?

They have worked on 10 movies together! Their first movie together was Parole (1967) while their highest rated movie together was Yakuza Wolf: I Perform Murder (1972). They have not worked together since Sister Street Fighter: Hanging by a Thread (1974). They are most known for their crime films together.