How many movies have Ikue Otani and Takahiro Fujii collaborated on?

They have worked on 3 movies together! Their first movie together was Zatch Bell! Attack of Mechavulcan (2005) while their highest rated movie together was Heartcatch Precure! Movie: Fashion Show in the City of Flowers!? (2010). They have not worked together since Smile Precure! The Movie: Big Mismatch in a Picture Book! (2012). They are most known for their adventure films together.