“Today, I belong to the enemy” — so begins Dawn of the Arcana, a medieval fantasy in which a feisty princess marries into a neighboring country’s royal family. Nakaba characterizes herself as “a lamb,” sacrificed by her people to help two warring kingdoms maintain a fragile peace. Her husband, the handsome but insolent Prince Caesar, initially snubs his new wife; not only does she have red hair — a commoner’s color — but she also flouts palace conventions, wearing the traditional dress of her homeland, employing a male Ajin (humanoid) as her valet, and excoriating Caesar in front of his servants.
Adding fuel to this combustible situation are Caesar’s mother, a Lady Macbeth figure who urges her son to seek the throne; King Guran, her husband; Cain, Caesar’s half-brother; and Louise, Cain’s flirty fiancee. Nakaba is keenly aware of their contempt for her, and struggles to maintain her composure as they openly mock her and threaten her faithful servant Loki. Though Loki is devoted to his mistress, he, too, poses a danger to Nakaba, as he quickly antagonizes Caesar and Guran with his impulsive behavior….