How many movies have Takayuki Yamaguchi and Tomokazu Seki collaborated on?

They have worked on 5 movies together! Their first movie together was Psycho-Pass: Sinners of the System - Case.1 Crime and Punishment (2019) 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 science fiction films together.