How many movies have Keiko Takemitsu and Nobuhiro Mouri collaborated on?

They have worked on 1 movie together! Their first movie together was Kamen Rider Gaim: Gaiden - Zangetsu And Baron (2015) and was their highest rated movie together. They have not worked together since Kamen Rider Gaim: Gaiden - Zangetsu And Baron (2015).