How many movies have Kyouhei Tezuka and Tetsuya Ishikawa collaborated on?

They have worked on 3 movies together! Their first movie together was Eden of the East Movie I: The King of Eden (2009) while their highest rated movie together was Blood-C: The Last Dark (2012). They have not worked together since Blood-C: The Last Dark (2012). They are most known for their animation films together.