I Married Into an Enemy Country and Am Isolated and Without Support, but It Seems I'm the Strongest Type of Witch?

Princess Katia of the Kingdom is forced to marry the Emperor of the Beastmen Empire as compensation for her brother's misdeeds. Waiting for Katia in the Empire are the ruthless Emperor and his eight loyal dukes. Because of her brother's actions, members of her family were harmed, and believing the bad rumors about her, they mock Katia at every opportunity. "You're all right. I'm just a powerless, insignificant human. I'm completely unsuitable to be the consort of the great Emperor, aren't I?" Katia, finding conflict troublesome, simply goes along with the eight dukes. However, she is a member of an ancient species thought to be extinct, and a "witch," the highest-ranking species whose return everyone longs for…