How many movies have Gannosuke Ashiya and 西山浩司 acted in together?

They have worked on 2 movies together! Their first movie together was Kyoto Yokai Map 5: A 900-Year-Old Beautiful Noh Mask Maker Who Lived in Sagano (1993) and was their highest rated movie together. They have not worked together since Kyoto Yokai Map 6: A legend of love that transcends time and space and is revived at the Jidai Matsuri! A 1200-year-old beauty vs. a psychic detective (1994).