How many movies have Kyoko Irohani and Yumika Hayashi acted in together?

They have worked on 2 movies together! Their first movie together was Naomi (1993) while their highest rated movie together was Yumika Hayashi: Kabukicho Image Club Story (1994). They have not worked together since Yumika Hayashi: Kabukicho Image Club Story (1994).