Lia (born December 20) is a female Japanese singer-songwriter. Lia has performed various video game and anime theme songs, such as for Key's visual novels: Air and Tomoyo After: It's a Wonderful Life, the opening theme for Angel Beats!, as well as theme songs for RF Online and Initial D Fourth Stage under Avex Trax. The IA: Aria on the Planetes Vocaloid was recorded with Lia's voice, and was released on January 27, 2012.
Lia was a member of Japanese techno/trance music production group I've Sound from 2001-2003, where she performed Disintegration in the disintegration compilation album. She signed with Key Sounds Label in 2001, and Pony Canyon in 2004. Lia produced four albums in the happy hardcore genre; these albums have her name in all capital letters.
Lia performed the opening and ending themes of two of Key's visual novels: Air and Tomoyo After: It's a Wonderful Life, as well as the opening theme "My Soul, Your Beats!" / "Brave Song" for another Key work, the anime series Angel Beats!. She performed the theme song for the MMORPG RF Online entitled "The Force of Love". Lia has also performed some Eurobeat songs for the anime series Initial D Fourth Stage entitled "All Around" and "Sky High" under the Avex Trax label.
Lia is fluent in English. On July 1, 2009, Lia announced on her blog that she was married and pregnant. She gave birth to a daughter on January 31, 2010.