Career Haruko took interest in
personal computers from a young age and studied
personal computer communications during high school. After she graduated from , her articles and writing on her online blog caught the attention of the chief editor of the
Weekly ASCII magazine. She was later offered a job as a writer for the magazine. During the late nineties, Haruko began singing and doing live performances on the streets of
Harajuku and
Akihabara. She then debuted her single "Mail Me," a cover version of which appears in the movie
Suicide Circle in 2001. Soon after, she debuted as a voice actress for her role as Komugi Nakahara in
Nurse Witch Komugi. In 2001, she paired with
Masaya Koike to form the duo
UNDER17 and together performed songs for adult and mainstream
video games and
anime. After their last album
Best Album 3 ~Soshite Densetsu e...~ and a live tour of the same name, UNDER17 separated in 2004 citing creative differences, and the two musicians have since gone their separate ways. She continued on with her solo singing career and in 2006, was signed under
avex mode as a music composer and singer. In 2007, Halko published an autobiography entitled
Akihaba-LOVE, in which she tells of the major experiences that shaped her life, mainly those that were important in constructing her career as a musician and voice actress, but it also includes anecdotes from her childhood and stories of friendship, as well as personal opinions on different aspects of anime fandom. ==Filmography==