How many movies have Sachi Kokuryu and Tamako Horiuchi collaborated on?

They have worked on 3 movies together! Their first movie together was Mr. Osomatsu the Movie (2019) while their highest rated movie together was My Hero Academia: Heroes Rising (2019). They have not worked together since Mr. Osomatsu: The Soulful Takoyaki Party and the Legendary Sleepover (2023). They are most known for their animation films together.