How many movies have Hitoshi Nagasaki and Michiko Taniguchi collaborated on?

They have worked on 4 movies together! Their first movie together was Naruto the Movie: Guardians of the Crescent Moon Kingdom (2006) while their highest rated movie together was Teasing Master Takagi-san: The Movie (2022). They have not worked together since Teasing Master Takagi-san: The Movie (2022). They are most known for their animation films together.