How many movies have Kouhei Kobayashi and Masatsuka Haruhiko collaborated on?

They have worked on 4 movies together! Their first movie together was 愛するには短すぎる／ネオ・ダンディズム！－男の美学－ (2006) and was their highest rated movie together. They have not worked together since Too Short a Time to Fall in Love / Jewel de Paris!! -The Jewels of Paris- (2023).