Nanael is a guardian angel sent to Earth to supervise and participate in the Queen's Blade tournament. In her own words, "A messenger from Heaven who came to bring true order to the world." When in actuality, she is an angel dropout in Heaven. After frequent misconduct, the head archangel ordered Nanael to enter Queen's Blade as a "trial." Nanael is generally friendly and cheery, although she will take advantage of other people's kindness, such as Melpha. Nanael has ear length light blue hair