How many movies have Sonny Chiba and Yoko Akino acted in together?

They have worked on 2 movies together! Their first movie together was Iemitsu, Hikoza and Isshin Tasuke - A National Crisis: Edo Castle in Danger (1989) while their highest rated movie together was Shashin Koshien Summer in 0.5 Seconds (2017). They have not worked together since Shashin Koshien Summer in 0.5 Seconds (2017).