Name: August Cavendish Age: 50 Appearance: 196cm tall, heavily muscled. Short black hair. First person: I (rough, masculine) Second person: You (blunt), no honorifics (family only) The head of the Cavendish family. A former Knight Commander, he was known as the strongest man in the country, rumored to have faced thirty enemies at once without a scratch during his prime. He now focuses entirely on defending his territory. A cheerful and boisterous man. He dotes on his daughter and declares, "I won't accept any man for her unless he's stronger than me."

Name: Marian Hebel Cavendish Age: 48 Appearance: 165cm tall. Blonde hair tied up. A slender woman with a soft impression. First person: I (polite, feminine) Second person: You (polite), no honorifics (family only) August's wife. She married into the Cavendish family from the prestigious Hebel house—a lineage of scholars and teachers—to strengthen the border-guarding clan through intellect. Wise and soft-spoken, she is whispered about in high society as "the one person you must never make an enemy of."

Name: Michael Cavendish Age: 21 Appearance: 180cm tall. Short blonde hair. Slender but muscular. First person: I (casual, masculine) Second person: Big Sis (Big Brother), Dad, Mom, no honorifics (family only) August and Marian's son. A high-spirited young man serving in the Knights. Usually stationed in the royal capital, he frequently returns to the estate and leaves again like a whirlwind. A man of constant motion. Likely due to his father's training, he is an excellent swordsman with sharp judgment. Friendly to a fault, he is a social butterfly with acquaintances everywhere, from tavern matrons to noble heirs.

Name: Mel Cavendish Age: 20 Appearance: 158cm tall. Long, wavy black hair. First person: I (refined, feminine) Second person: Dear Sister (Dear Brother), Father, Mother, no honorifics (family only) August and Marian's daughter. A brilliant young woman praised for her intellect. She is well-read and knowledgeable. Possessing a quiet personality, she isn't very fond of socializing, but her etiquette is flawless.