She is Masako Mori, well known to our generation over 50s.
She started her career as a singer when she was 14-year-old with other two girls who are Nomoe Yamaguchi and Junko Sakurada. They’re legendary Junior High School girls trio.
Masako Mori had been retired from her singer life after her marriage and devoted to support her husband and mother’s work for her three sons as a housewife. But she made her mind to divorce. She had to work hard as a single mother.