The Countess of Bartfort, a strong-willed woman who governs the domain in place of her often-absent husband. She has six children and has lived a largely smooth life, but worries about managing the estate as her time apart from her husband increases. Since youth, she has been conscious of the fact that her weight and body fat have increased.

The head of the Bartfort Earl family, known as the "Villainous Knight," experienced in various duties. Assigned many tasks due to the intentions of the Holfort royal family and Duke Redgrave, he finds them tiresome internally. He worries about being away from his family more often due to his absences from the estate.

The eldest son of the Bartfort Earl family, with blond hair and red eyes. Intelligent and enrolled in the advanced classes at the Royal Academy. Prudent and careful by nature, but indecisive and timid at times. Feels insecure about his abilities compared to his parents, his younger brothers, and potential fiancées.

The eldest daughter of the Bartfort Count family, blond hair and red eyes. Beautiful, enrolled in the standard classes at the Royal Academy. Resembles her mother in youth, but has a short temper and average academic performance. Courted by many male students but refuses them harshly, earning their fear.

The second son of the Bartfort Earl family, black hair and black eyes. Still under the age for enrollment in the Royal Academy, so he stays at the Bartfort domain. The child who resembles Leon most in appearance, but is cheerful and outgoing. Well-liked by the domain's people, and reportedly has a girl he is fond of.

The elder of the twin daughters of the Bartfort Earl family, blond hair and red eyes. Most skilled in arithmetic among Leon and Angelica's children. Inherited her mother's talent for estate management and dreams of starting her own business. Although she differs completely in appearance and tastes from her twin sister, they are on good terms.

The younger twin daughter of the Bartfort Count family, black hair and black eyes. Somewhat unfriendly and reckless, she is harsh toward things she has no interest in but demonstrates intense focus on what she likes. Reads extensively on adventures and ruins, often escaping from Angelica's lessons on proper lady behavior.

The third son of the Bartfort Earl family, slightly dark blond hair and black eyes. The youngest child of the family at present. Obedient and well-behaved, but still young and wants to be spoiled by his parents. Often helps with farming work, a hobby of Leon's.

Head of the Bartfort Viscount family, Leon's older brother. Inherited the barony from their father, and with support from his younger brother and wife, was elevated to viscount. Often away from the estate, he works tirelessly to lead the troops and solve issues in the domain. Has four children with Dorothea and is recognized by the people as a harmonious family. Feels complex emotions regarding his daughter marrying his nephew, though he accepts it.

Viscountess of Bartfort. Married Nicks after a passionate first love. Though in her late thirties, she looks remarkably youthful. Blessed with children, she supports her husband both personally and publicly. Actively expresses her love for her family and freely shows affection in public, as always.

The eldest daughter of the Bartfort Viscount family, black hair and blue eyes. Combines her mother Dorothea's appearance and father Nick's hair color. Betrothed to the Count family by agreement between her father and uncle even before birth. Gentle in nature, she reveres the four-years-older Lionel as an "older brother" and considers him her fiancé.

The eldest son of the Bartfort Viscount family, black hair and blue eyes. Resembles his father Nick's in honesty and integrity, and dreams of adventure influenced by his mother Dorothea's family, the Roseblade Counts. Often finds himself overwhelmed by the unique daughters of his uncles' household.