How many movies have Tsutomu Shibayama and Yoshiaki Yanagida collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: Nobita's Little Star Wars (1985) while their highest rated movie together was Zorori the Naughty Hero: Super Adventure! (2012). They have not worked together since Zorori the Naughty Hero: Super Adventure! (2012). They are most known for their adventure films together.