How many movies have Kei Morikawa and Mariya Suzuki collaborated on?

They have worked on 1 movie together! Their first movie together was 2 Channel no Noroi: Shin Gekijôban - Honki (2012) and was their highest rated movie together. They have not worked together since 2 Channel no Noroi: Shin Gekijôban - Honki (2012).