How many movies have Kenichi Ishimaru and Mina Tominaga collaborated on?

They have worked on 1 movie together! Their first movie together was Rurouni Kenshin: New Kyoto Arc: The Chirps of Light (2012) and was their highest rated movie together. They have not worked together since Rurouni Kenshin: New Kyoto Arc: The Chirps of Light (2012).