Riyu Kosaka
Riyu Kosaka (小坂りゆ [Kosaka Riyu], born January 17 in Yokohama, Kanagawa Prefecture, Japan) is a Japanese pop singer. She is known as the lead vocalist of Konami's J-pop group, BeForU, and is produced by Naoki Maeda. In addition to songs for the Bemani series of games, Riyu Kosaka has performed songs for anime, including the ending for Claymore and the opening to Konami's own Sky Girls.
She started her solo career almost as the same time BeForU debuted