Asada Miyoko is a Japanese actress, talent, and former idol singer born in Minato-ku, Tokyo. Her agency is Geiei Productions → Theater de Poche, and the record company at the time of her singing activity was CBS Sony. She dropped out of Tokyo Jogakkan High School.
In the summer of 1972, while attending Tokyo Jogakkan High School as a second-year student, she was scouted on the street.
She debuted on February 14, 1973, as a helper for "Jikan Desu yo" 3rd series.