How many movies have Junko Minagawa and Mitsutaka Hirota collaborated on?

They have worked on 4 movies together! Their first movie together was The Prince of Tennis: Showdown in England's Tennis Fortress (2011) while their highest rated movie together was Avengers Confidential: Black Widow & Punisher (2014). They have not worked together since Tennis no Ouji-sama Best Games!! Tezuka vs Atobe (2018). They are most known for their animation films together.