How many movies have Yuna Taira and ito Nanoha collaborated on?

They have worked on 1 movie together! Their first movie together was 我が家の夢～WRCと恋のかけ橋～ (2023) and was their highest rated movie together. They have not worked together since 我が家の夢～WRCと恋のかけ橋～ (2023).