How many movies have Eiji Abiko and Yuichi Nakamura collaborated on?

They have worked on 4 movies together! Their first movie together was The Garden of Sinners: Remaining Sense of Pain (2008) while their highest rated movie together was Fairy Tail: Phoenix Priestess (2012). 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.