Fox Shadow: a novel. Julie Kagawa

Az, at a thousand years, the Great Dragon is a mortal to fulfill his most cherished desire. Once every thousand years, the world awaits the change - to good or to thin, to solve one who has a scroll of thousands of prayers in their hands.
brought up by monks in the distant temple of quiet winds, Yumeko learned to hide her essence of Yooka all her life. Half Kitsune, half a person, she uses her talent for the creation of illusions only for small drawings. But when hordes of demons attack the temple, YuMeko is forced to go on a dangerous journey to protect a fragment of an ancient scroll. Only she is not the only one who needs this precious relic. Kage Tatsumi, the mysterious samurai of the shadow clan, also hunts for a sweat. And he will go to everything, just to find him