Tales of the Kingdom, Vol. 3 (Hardcover) (manga)

Having left his tribe and taken his brother's name, Dao serves as the king's aide, burdened all the while by orders to deceive him. However, the king has secrets of his own. In his childhood days as the crown prince, he led a lonely life as his father suffered from illness.

Then, with the arrival of his half-brother, Magrev, a tale of love, hate, and the whims of fate began to unfold...