How many movies have Kensaku Watanabe and Tatsushi Ōmori collaborated on?

They have worked on 3 movies together! Their first movie together was The Story of PuPu (1998) while their highest rated movie together was The Chrysanthemum and the Guillotine (2018). They have not worked together since The Chrysanthemum and the Guillotine (2018). They are most known for their drama films together.