How many movies have Chieko Miyagawa and Marie Ino collaborated on?

They have worked on 4 movies together! Their first movie together was Yes! Precure 5 Go Go! Movie: Happy Birthday in the Land of Sweets (2008) while their highest rated movie together was One Piece Film: Strong World (2009). They have not worked together since One Piece Film: Z (2012). They are most known for their animation films together.