How many movies have Tengo Yamada and Umeko Numazaki collaborated on?

They have worked on 4 movies together! Their first movie together was Hanzaki Daimyojin, Gorosuke no uta (1972) while their highest rated movie together was Barefoot Gen (1976). They have not worked together since Yukko no Okurimono: Cosmos no Yō ni (1982). They are most known for their drama films together.