How many movies have Mariko Oka and Naotaka Hayashi collaborated on?

They have worked on 2 movies together! Their first movie together was Blood-C: The Last Dark (2012) while their highest rated movie together was The Anthem of the Heart (2015). They have not worked together since The Anthem of the Heart (2015).

The Anthem of the Heart (2015)

Crew
Key Animation
Crew
Second Unit Director
Crew
Prop Designer

Blood-C: The Last Dark (2012)

Crew
Key Animation
Crew
Key Animation