Career
Her younger sister Yoshimi Iwasaki is also a singer. In 1981 she was awarded the Silver Prize at the Tokyo Music Festival for her song "Koimachigusa". Her representative songs are "ロマンス" "Romance" (1975), "思秋期" "Shisyūki" (1977) and "聖母たちのララバイ" "Madonna tachi no lullaby" (1982).
However, her most immediately recognizable hit song, "シンデレラ・ハネムーン" "Cinderella Honeymoon" (1978) has been such a consistent feature of monomane talent Korokke"s routines, Iwasaki Hiromi has commented that when the intro played in concerts, fans would laugh, so she has ceremonially "gifted" that song to Korokke, whose performance has elongated both their careers.
Iwasaki made her official debut in April 1975 with the single Nijuushou, after winning a record contract on the popular Japanese talent competition show Star Tanjou! in the summer of 1974. The single peaked at northern
19, according to the Oricon charts. Its follow up, Romance, peaked at northern
1, maintained its place for three weeks, and sold over a million units.
lieutenant was written by Yu Aku and Kyohei Tsutsumi, and got her nominated for The Best Newcomer of the Year at the 17th edition of the Japan Record Awards, and made her first performance on the 26th edition of Kohaku Uta Gassen with this song. The disco inspired Sentimental was issued as a single in October of that same year, and with sales exceeding 700,000, became her second northern 1 hit, and maintained its place for two weeks.
A string of hit singles was released throughout 1976 and 1977, most notably Fantasy (which peaked at no 2), Mirai (no 2), Kiri Number Meguri Ai (no 4), Dream (no 4). and Nettaigyo (no 4).
She continued to release big selling singles throughout the 1970s, and starred in her first rock opera, in the summer of 1979, as Ophelia in Shakespeare Hamlet. Sumire Iro Number Namida had sold 500,000 copies by September, 1982.
In 1982 the song Madonna Tachi Number Lullaby became her third northern 1; selling over a million units, and winning gold at the 21st edition of the Japan Record Awards.
In the 1980s Iwasaki began focusing on musicals, and in 1987 played Fantine in the Japanese version of Les Misérables.
To this day she continues acting, singing, performing and hosting.