How many movies have Kyoko Tachibana and Sachi Hamano collaborated on?

They have worked on 1 movie together! Their first movie together was Furin maruhi kôkai: Hitozuma-tachi no nureba (1997) and was their highest rated movie together. They have not worked together since Furin maruhi kôkai: Hitozuma-tachi no nureba (1997).