How many movies have Daiki Wakabayashi and Junji Yoshikata collaborated on?

They have worked on 4 movies together! Their first movie together was Boku no oppai ga hatsujô shita riyû (2014) and was their highest rated movie together. They have not worked together since Onna sagi-shi to bijin singer: O-atsui no wa dotchi? (2015).