Career
She starred in the 1976–1977 Nippon Hōsō Kyōkai daytime television series (asadora) Hi no Kuni ni, and has had multiple guest-star roles in prime-time jidaigeki such as Mito Kōmon and Abarenbō Shōgun. She has also appeared as a voice actor in a 1982 production of Aladdin and the Magic Lamp. Keiko has also appeared in film.
Ninja Sentai Kakuranger: Rokurokubi.