On that winter day ~ Prologue

Born with a peculiar white hair and golden eyes, a little girl was abandoned by her parents in the middle of the forest in winter hopping that she will die by the cold but a Youkai found her and decided to raise her. Years after, when she and that Youkai where trying to escape from an exorcist that wants the Youkai power, she used the little magic she managed to obtain to help him escape even if that means let the exorcist capture her.
Without being able to do something to save her, the Youkai tried to find someone who can help him and meeting with Takashi Natsume...