How many movies have Keiko Toda and Mitsuru Sōma collaborated on?

They have worked on 3 movies together! Their first movie together was Go! Anpanman: When the Flower of Courage opens (1999) and was their highest rated movie together. They have not worked together since Go! Anpanman: The Secret of Roll and Lola's Floating Castle (2002). They are most known for their family films together.