How many movies have Takashi Hashimoto and Yuka Koichi collaborated on?

They have worked on 3 movies together! Their first movie together was Naruto Shippuden the Movie: Blood Prison (2011) while their highest rated movie together was One Piece Film: Z (2012). They have not worked together since Space Battleship Yamato 2199: Odyssey of the Celestial Ark (2014). They are most known for their action films together.