How many movies have Masaki Sakamoto and Mayumi Tanaka collaborated on?

They have worked on 3 movies together! Their first movie together was Fire Tripper (1985) while their highest rated movie together was Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! (2011). They have not worked together since Nintama Rantaro the Movie: The Dokutake Ninja Team's Strongest Strategist (2024). They are most known for their animation films together.