How many movies have Seiko Matsuda and Tonkô Horikawa collaborated on?

They have worked on 2 movies together! Their first movie together was 松田聖子のスイート・メモリーズ (1987) while their highest rated movie together was Love of a Thousand Years - Story of Genji (2001). They have not worked together since Love of a Thousand Years - Story of Genji (2001).