How many movies have Hoshihara Misao and Shuichiro Koike collaborated on?

They have worked on 2 movies together! Their first movie together was Excalibur ~Beautiful Knights~ / Citrus Breeze (1998) and was their highest rated movie together. They have not worked together since The Seal of Roses: A Vampire's Requiem (Moon Troupe, 2003-2004) (2004).