How many movies have Showtaro Morikubo and Takuya Mitsuda collaborated on?

They have worked on 2 movies together! Their first movie together was Major: The Ball of Friendship (2008) while their highest rated movie together was メジャー ワールドシリーズ編 (2011). They have not worked together since メジャー ワールドシリーズ編 (2011).