How many movies have Keiko Kaga and Noriyoshi Ikeya collaborated on?

They have worked on 3 movies together! Their first movie together was Akio Jissoji's Wonder Museum 1 (1992) while their highest rated movie together was Akio Jissoji's Museum of Wonders - Volume of Discourse (1992). They have not worked together since A Watcher in the Attic (1994). They are most known for their horror films together.