How many movies have Takashi Eto and Yoshitaka Asama collaborated on?

They have worked on 4 movies together! Their first movie together was Tora-san, the Good Samaritan (1971) while their highest rated movie together was Tora-san's Sunrise and Sunset (1976). They have not worked together since Tora-san's Sunrise and Sunset (1976). They are most known for their comedy films together.