Marchio di Sangue, Falsa Imperatrice

Wolf King Alexander finds a tortured white wolf on his border. Wiping her face, he sees the golden totem—passed only through his bloodline. His only child is Princess Vivian, married to human Emperor Arthur three years ago. But the human court just announced the Empress safely gave birth. If this tortured wolf is the real princess, who is on the throne sending letters in her name?