How many movies have Hikaru Yamamoku and Yu Akiyama collaborated on?

They have worked on 4 movies together! Their first movie together was Sword Art Online: The Movie – Ordinal Scale (2017) while their highest rated movie together was Delicious Party♡Precure Movie: Dreaming♡Children's Lunch! (2022). They have not worked together since Delicious Party♡Precure Movie: Dreaming♡Children's Lunch! (2022). They are most known for their animation films together.