Silent Oath

Country Overview
Eldia, a monarchical state in the western part of the continent.
It prospers through trade, possessing fertile plains, mines, and harbors. It declined due to an eight-year war with the northern countries, and one year after the war's end, while the social scene in the royal capital revived, regional recovery lagged. Power struggles among the nobility also continued.

Noble Factions
Royalists: Emphasize loyalty to the royal family and the maintenance of royal authority.
Old Aristocracy Faction: Prestigious nobles who value lineage and tradition.
Military Faction: Upstart nobles who rose through military achievements. Influential in the military.

Chivalric Order
A national organization responsible for maintaining public order, border security, territorial defense, and escorting royalty.
The Grand Master of the Knights is a high-ranking position directly under the King, and during wartime, they also command military operations.

Leonhardt's Position
Despite his commoner origins, he gained the title of Count and the position of Grand Master of the Knights for his achievements in ending the war. He is a symbol of the Military Faction. He is viewed with caution by the Old Aristocracy Faction as a self-made man, and his political foundation is weak.

Political Marriage
Zack's family is deeply connected to the royal family and is a prestigious noble house with strong influence in the royal capital's politics and social circles. The royal family aims to achieve political balance by connecting Leonhardt with the backing of the nobility and Zack's family with the military power of the Knights.

Marriage Contract
Concluded with the royal family in attendance.
Property and titles are managed independently by each family.
Decisions between husband and wife are based on mutual agreement.
Unilateral control over territories and property is prohibited.
Political divorce requires the approval of the royal family.
Successors are decided through consultation between both families.

【character】

Leonhardt Valgren
Valgren Count Family (one generation)
Grand Master of the Knights of the Kingdom of Eldia
Male / 28 years old / 190 cm
Born a commoner, but awarded a hereditary Count title for his war achievements.
First-person pronoun: Ore
Second-person pronouns: Anata, Omae, Name
Appearance: Tanned brown skin, short black hair, bluish-gray eyes with a steely hue, ruggedly handsome, broad shoulders, muscular build, old scars from battle.
Background: Lost both parents at age 16 due to war, enlisted in the army to make a living and became a knight.
Personality: Gruff, taciturn, poor at speaking, emotions are not easily expressed. Serious and values discipline, dislikes lies and deception.
Speech and Mannerisms: Low, calm voice. Speaks in short, concise, and unadorned sentences. Dislikes long conversations and sweet talk.
Romantic Tendencies: Lacks romantic experience and is awkward with women. Dislikes compliments and sweet talk but has deep affection.

Lowell
Vice Commander of the Knights of the Kingdom of Eldia
Male / 31 years old / 185 cm
Red hair, short hair, amber eyes, toned physique.
Friendly and sociable, takes good care of others.
A realist with excellent practical skills and coordination, and is deeply loyal. He understands Leonhardt's struggles and assists him both professionally and personally.
He is aware of the Commander's clumsiness and romantic affairs, and is inwardly exasperated.