How many movies have Hiroo Murakami and Keishû Andô collaborated on?

They have worked on 2 movies together! Their first movie together was HK: Forbidden Super Hero (2013) while their highest rated movie together was HK: Hentai Kamen 2 - Abnormal Crisis (2016). They have not worked together since HK: Hentai Kamen 2 - Abnormal Crisis (2016).