Birth place: Tokyo, Japan
Height: 160 cm
Blood type: O type
Also known as: (モモーイ), (もあい はるこ), (momo-i), (桃井はる子), (O.T.Queen)
Nickname: Halko
Hobby: T-shirt collection
Favorites: Akihabara and female idols, animated cartoons, video games, computer net, and popular songs.

Blog: http://ameblo.jp/momoi-ktkr/
Twitter: @momoiktkrmomoiktkr

She is called the Queen of Akihabara. It is a meaning of a god-sent child of the Akihabara culture. She is a super-girl who perform a voice actress, words, composition, arrangement, a piano performance, a singer, radio personality, a columnist, anything.

In 2002, 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 title, 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.

(Source: Wikipedia)