How many movies have Makoto Shinozaki and Naomi Akimoto collaborated on?

They have worked on 4 movies together! Their first movie together was Kaettekita! Deka Matsuri (2003) while their highest rated movie together was Kaidan Shin Mimibukuro Kaiki Nozomi (2010). They have not worked together since Kai-Ki: Tales of Terror from Tokyo (2010). They are most known for their horror films together.