Emperor's Heart

A country that does not make its eldest son the emperor, but the youngest son. Is the evil and fickle eldest prince here for the throne, or does he want to destroy everything? The leader of the Dragon Emperor's organization, the king of the demon sect, robbed the fourth prince. What was his purpose? Hatred? Or... Love? That face behind the mask, why is it him, his dearest brother, why should it be him... He would rather be someone else than him...