How many movies have Hidetoshi Omori and Tsutomu Ohshiro collaborated on?

They have worked on 3 movies together! Their first movie together was The Guyver: Bio-Booster Armor (1989) while their highest rated movie together was Road to Ninja: Naruto the Movie (2012). They have not worked together since Road to Ninja: Naruto the Movie (2012). They are most known for their animation films together.