Throughout Europe, there have been reports of a group of white-haired children for over five hundred years. Despite appearing like typical 11-year-olds, these enigmatic individuals display an unusual level of maturity and possess supernatural powers. Their mission is to find a girl, yet all they have to go on is a photo with a crescent moon. In the year 2012, an athletic young man named Tohma is fated to become involved in this ancient mystery.