How many movies have Hiroshi Sugawara and Yukimi Koyanagi collaborated on?

They have worked on 5 movies together! Their first movie together was The Second Is a Christian (1985) while their highest rated movie together was Shashin Koshien Summer in 0.5 Seconds (2017). They have not worked together since Shashin Koshien Summer in 0.5 Seconds (2017).

Crew
Director
Role
Teacher Koyanagi
Crew
Writer