Sacrificial Princess and the King of Beasts Vol. 5 (manga)

Having successfully entertained the true Duke Galoa, Sariphi has triumphed in the trials concocted to test her capacity to be Queen. However, her success has infuriated Chancellor Anubis. As Sariphi searches for a book alone in the library, Anubis approaches her...but what is the history between the King and his Chancellor, whose family has served the royal line for generations?