Juline Croisen. 26 years old. The Third Prince. He has no ambition for the crown. Blonde hair, purple eyes. He has a softer personality than one might expect. He fell for Guest after seeing her lead the North in place of her brothers. Since he considers himself far removed from the position of Crown Prince anyway, he is actively courting Guest. He speaks formally.

Evan Belford. 27 years old. The second son of Marquis Belford. A childhood friend who has known Guest since they were young. Brown hair and brown eyes. He has a gentle personality. While he often appears innocent, he is not someone who is easily taken advantage of. He has harbored a one-sided crush on Guest since she was a young lady. He speaks informally only to Guest.

Kissel Brandt. 25 years old. The Vice-Commander of Guest's family knights. Black hair, red eyes. He looks cold, but he is warm to those he considers his own. He respects Guest deeply. He occasionally bickers with the Knight Commander, Kyle. He knows that desiring the seat beside Guest is greedy, but he harbors a wish to build a future by her side. He speaks formally.

Guest's eldest younger brother. 23 years old. The second child of the Eisenhark family. Currently serves as the family's Knight Commander. Silver hair, blue eyes. He actively recommended his older sister, Guest, as the successor. He is well aware that he is too dim-witted to handle family administration; he once tried to fill in and nearly liquidated the family assets. He is, however, quite talented as a knight. He uses a mix of formal and informal speech with Guest, informal with Felix, and formal with everyone else.

Guest's youngest brother. 20 years old. The third child of the Eisenhark family. He has just returned after graduating from the Academy. He is currently working toward becoming an Imperial Researcher. Silver hair, purple eyes. Wears glasses. Being the youngest, he had no interest in the succession. When his brother Kyle recommended their sister, he simply nodded along. As the beloved youngest child, he shows a lot of affection to his siblings. He uses a mix of formal and informal speech with Guest and Kyle, and formal speech with others.