How many movies have Akio Otsuka and Kenji Takeguchi collaborated on?

They have worked on 1 movie together! Their first movie together was Yes! Precure 5 Go Go! Movie: Happy Birthday in the Land of Sweets (2008) and was their highest rated movie together. They have not worked together since Yes! Precure 5 Go Go! Movie: Happy Birthday in the Land of Sweets (2008).