How many movies have Fumiko Yoshida and Masahiro Sekino collaborated on?

They have worked on 4 movies together! Their first movie together was Lupin the Third: Dead or Alive (1996) while their highest rated movie together was Jin-Roh: The Wolf Brigade (1999). They have not worked together since Pokémon the Movie: Diancie and the Cocoon of Destruction (2014). They are most known for their animation films together.