Spirit and Si: First Volume

After a princess is kidnapped, she is rescued by a mysterious old man. Suddenly, a silver arrow appears before him. He gazes at the child, lost in thought... Many years later, cheerful songs ring out in a remote village. A little girl, smaller than the other children her age, hides a mysterious past. No one knows where she came from or how she ended up here... A heaven-blessed prodigy sets out to gain experience, only to be hunted by evil forces...