In the cold Northern Kingdom, the fifteen-year-old Wei Yang is the last king of the Northern Kingdom. Since he was born, he has had a fire in his body, and he is also the only prince who can leave the Northern Kingdom. His older brother is not the same, is weak, and will never be able to leave the Northern Kingdom in his life.
Far, far away from the Northern Kingdom, there is a blazing land called the Mygu Continent. It is yearned for by the people of the Northern Kingdom, who yearn for the warmth and warmth there; but it is also hated by the kings of the Northern Kingdom, who hate the disaster caused by the war between the two kingdoms fifteen years ago...