How many movies have Sawako Hata and Seira Sato acted in together?

They have worked on 5 movies together! Their first movie together was SKE48 Request Hour Setlist Best 30 2010 (2010) while their highest rated movie together was The SKE48 Request Hour Setlist Best 50 2011 (2011). They have not worked together since SKE48 Request Hour Setlist Best 50 2012 (2012). They are most known for their music films together.