How many movies have Hitomi Kawarada and Yoshiyuki Okazaki collaborated on?

They have worked on 4 movies together! Their first movie together was Psychic Documentary: Unsealed Seal - Bizarre Cursed Grudge Spirit!! (2012) and was their highest rated movie together. They have not worked together since Psychic Documentary: Witnessing Terrifying Cursed Sensations (2012). They are most known for their horror films together.