How many movies have Junichi Sato and Mine Yoshizaki collaborated on?

They have worked on 2 movies together! Their first movie together was Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors (2009) while their highest rated movie together was Sergeant Keroro The Super Duper Movie 5: Creation! Ultimate Keroro, Wonder Space-Time Island (2010). They have not worked together since Sergeant Keroro The Super Duper Movie 5: Creation! Ultimate Keroro, Wonder Space-Time Island (2010).