How many movies have Hiroki Takahashi and Yuki Kaida acted in together?

They have worked on 4 movies together! Their first movie together was Hetalia: Axis Powers: Paint It, White! (2010) and was their highest rated movie together. 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.