YUI is a Japanese J-Pop/J-Rock artist, born March 26, 1987 in Fukuoka, Japan. After quitting high school to become a singer, she learned how to write lyrics and compose her own songs. During performances, she sings and plays the guitar. Her voice has often been described by fans to be angelic in its beauty. She has had multiple hit singles during her career and is popular in Japan and the surrounding countries.
Her song "Again" was one of the opening themes for the anime series Fullmetal Alchemist Brotherhood.