Risa Oribe (織部 里沙, Oribe Risa?, born June 24, 1987), better known by her stage name LiSA (an acronym of Love is Same All), is a Japanese singer-songwriter from Seki, Gifu and is signed to Aniplex under Sony Music Artists. Initially a singer for an indie band, LiSA made her major debut in 2010 singing songs for the anime TV series Angel Beats! as one of two vocalists for the fictional band Girls Dead Monster. She performed at Animelo Summer Live in August 2010. In April 2011, she made her solo debut with the release of her mini-album Letters to U. Her single "Oath Sign" is used as the opening theme to the 2011 anime Fate/Zero. Her single "Crossing Field" is used as the opening theme to the 2012 anime Sword Art Online.