How many movies have Etsuko Kozakura and Kumiko Watanabe acted in together?

They have worked on 6 movies together! Their first movie together was Crayon Shin-chan: Action Mask vs. Leotard Devil (1993) and was their highest rated movie together. They have not worked together since Sergeant Keroro The Super Duper Movie 5: Creation! Ultimate Keroro, Wonder Space-Time Island (2010). They are most known for their animation films together.