How many movies have Shōji Sakai and Tetsuya Kobayashi collaborated on?

They have worked on 7 movies together! Their first movie together was End of the Journey (1998) while their highest rated movie together was Mofukuzuma: Shitchi no Kaori (2000). They have not worked together since Tôsatsu family: Oyako nama chûkei (2014).