Is Tuoba Yunxi, the whole army, a mistress?

Yes According to the information of Chinese website, The Whole Army Array is a novel with the theme of war. The novel mainly tells the story between Tuo Ba Yunxi and Tuo Ba Liede, who is Tuo Ba Yunxi's sister and the heroine in the novel. The novel Army Array shows the author's creative talent and clever use of historical and fantasy elements through wonderful plots and characterization.