How many movies have Asuka Kojima and Mayumi Miyaoka collaborated on?

They have worked on 2 movies together! Their first movie together was Professor Layton and the Eternal Diva (2009) and was their highest rated movie together. They have not worked together since SHIROBAKO The Movie (2020).

SHIROBAKO The Movie (2020)

Crew
Animation Director
Crew
Prop Designer
Crew
Art Designer

Professor Layton and the Eternal Diva (2009)

Crew
Key Animation
Crew
Key Animation