How many movies have Shiori Izawa and Takayuki Yamaguchi collaborated on?

They have worked on 7 movies together! Their first movie together was Girls und Panzer der Film (2015) while their highest rated movie together was Sword Art Online the Movie – Progressive – Aria of a Starless Night (2021). They have not worked together since Sword Art Online the Movie – Progressive – Scherzo of Deep Night (2022). They are most known for their animation films together.