How many movies have An Koshi and Taira Takano collaborated on?

They have worked on 3 movies together! Their first movie together was Rape Zombie: Lust of the Dead 4 (2014) while their highest rated movie together was Rape Zombie: Lust of the Dead 5 (2014). They have not worked together since Love Zombie: Romance of the Dead (2015). They are most known for their horror films together.