Rina Aiuchi

Rina Aiuchi (愛内 里菜, Aiuchi Rina, born July 31, 1980 in Sakai, Osaka, Japan) is a female Japanese popular music singer. She writes her own lyrics to her songs and now self-produces. She is currently affiliated with the Giza Studio recording label.

Yui Horie

Yui Horie (堀江由衣, Horie Yui, born on September 20, 1976) is a popular Japanese singer and voice actress. Horie's real name is Yoshiko Horie and she is sometimes affectionately nicknamed "Hocchan" (ほっちゃん, "Hocchan") by her Japanese fans. She is not to be confused with YUI, another J-Pop singer.
She hosts a radio show called "Horie Yui no Tenshi no Tamago" (堀江由衣の天使のたまご, "Yui Horie's Angel Eggs") and is the founding member of the singing group, Aice5. She is also a member of the band Kurobara Hozonkai, with the name YUIEL. Her blood type is B [1], and her hobbies include shoulder massage, reading and food.

Hitomi Shimatani

Hitomi Shimatani (島谷ひとみ, Shimatani Hitomi, born September 4, 1980 in Kure, Hiroshima Prefecture, Japan), is a female J-pop singer signed to the Avex Trax label.

Shimatani started her career as an Enka singer with the release of her debut single "Ōsaka no Onna" (大阪の女, Ōsakan Woman) in 1999, but later decided to get into the dance/pop style for her music. Shimatani's music has also appeared in video games and also anime series.

Ayumi Hamasaki

Ayumi Hamasaki (浜崎 あゆみ, Hamasaki Ayumi), born October 2, 1978 is a Japanese singer-songwriter and former actress. Also known as "Ayu" to her fans, Hamasaki has been dubbed "the Empress of J-pop" due to her popularity and widespread influence in Japan.

Iida Kaori

Mitsuho Ootani

Koda Kumi

Koda Kumi made her debut in late 2000, but it wasn't until 2002 that her debut album, affection, made its way onto the scene. She has only recently started to gain some more wide-spread popularity, thanks to reasons such as her appearing on the Japanese soundtrack of Final Fantasy X-2, her fresh Urban music style, her revealing photo-shoots as well as her "12 Days of Christmas" wide-scale releases of one single every week starting in December 2005.

She is misono's older sister.

YUI

Yui (official: YUI) is a Japanese J-pop/J-rock artist, born March 26, 1987 in Fukuoka, Japan. She is signed to Sony Music Records Japan.