A freelance mercenary who sold information concerning Noritaka and his research on vampires. She rescues a young Kiritsugu and takes him as her apprentice. During her last mission, she is able to successfully kill a Dead Apostle,
but dies when Kiritsugu shoots down the plane she is on to prevent the infected passengers from infecting others when the plane landed. Kiritsugu's last words to her reveal that he viewed her as his mother.