How many movies have Keiko Tamaki and Tomoaki Maeno collaborated on?

They have worked on 2 movies together! Their first movie together was Library War: The Wings Of Revolution (2012) while their highest rated movie together was Cells at Work!! The Return of the Strongest Enemy. A Huge Uproar in the Body’s Bowels! (2020). They have not worked together since Cells at Work!! The Return of the Strongest Enemy. A Huge Uproar in the Body’s Bowels! (2020).