Seiko Niizuma (新妻 聖子, Niizuma Seiko, born 8 October 1980, in Sobue (now Inazawa), Nakashima District, Aichi Prefecture, Japan)[1] is a Japanese actress and singer.
[1] Seiko is best known for her Musical theatre lead roles in Japan in Les Misérables, Miss Saigon, and Marie Antoinette.
Seiko has also performed with West end and Broadway superstars, Norm Lewis, Peter Jöback, Ramin Karimloo, and Sierra Boggess in I Love Musicals.
She was also ranked as the #5 top vocalists in Japan, by a panel of 190 music industry professionals.
[3] She announced her pregnancy on February 11, 2018,[4][5] and gave birth to her first child, a baby boy on July 20.