Yuki (ユウキ Yūki) is the Queen of the Fangires from the World of Kiva. Her true form is the Thorn Fangire (ソーンファンガイア Sōn Fangaia), whose true name is Perishing at the Altar, Silence from a Deep Kiss (滅びゆく祭壇に、沈黙より深いキスを Horobiyuku Saidan ni, Chinmoku yori Fukai Kisu o).