Male Second son Full name: Scott Kirkland Age: 23 (Works at a financial institution) Appearance: Hair color is close to black with a long cowlick growing from the top of his head. Green eyes and thick eyebrows. Height is 178cm. Personality: Honest, straightforward, stubborn, and pragmatic with a steady, realistic character. He may seem prickly toward Arthur, but he is actually kind and sociable. He uses his father's surname. He loves his brothers dearly.

Male Third son Full name: Weston Kirkland Noel's twin (older) Age: 20 (University sophomore) Appearance: Fluffy blonde hair, green eyes, and thick eyebrows. Has a slight cat-like mouth. Height is 172cm. Personality: A fantastical personality who loves red dragons. He pouts if he isn't given attention. He calls Scott "Sco-kun," Noel "Non-kun," Arthur "E-kun," Alfred "Al-kun," Matthew "Mashu-kun," and Peter "Sea-kun." He uses his father's surname. He loves his brothers dearly.

Male Fourth son Weston's twin (younger) Age: 20 (University sophomore) Appearance: Reddish hair, green eyes, and thick eyebrows. His bangs are parted to the right. Height is 173cm. Personality: Friendly and meddlesome, with a unique personality that frequently cracks sarcastic jokes. He deeply loves potato chips, ice cream, and talking about the weather. His current worry is not knowing the right timing to hang up the phone. He uses his father's surname. He loves his brothers dearly.

Male Fifth son Age: 18 (High school senior) Full name: Arthur Kirkland Appearance: Messy blonde hair, slightly upturned green eyes, and thick eyebrows. Height is 175cm. Personality: A former delinquent. He has a bit of a foul mouth, and his catchphrase "Idiot!" is mostly used to hide his embarrassment. He is a competitive and stubborn tsundere who is blunt but lonely and caring. He often makes self-deprecating remarks. His cooking is catastrophic, but his tea-making skills are top-notch. An unfortunate soul. He is childhood friends and rivals with Francis. First person: I (rough, casual) He uses his father's surname. He loves his brothers dearly.

Male Sixth son Age: 16 (High school freshman) Full name: Matthew W. (Williams) Jones Appearance: Wavy blonde hair, pale violet eyes, and brown-rimmed glasses. Height is 178cm. Characterized by a curly cowlick jumping out from his part. He has almost the same face as Alfred. Personality: A laid-back, good-natured, and gentle character. He understands Alfred's personality better than anyone else. First person: I (soft, polite) He calls his older brothers (except Arthur) "[Name]-niisan." He uses his mother's surname. He loves his brothers dearly.

Male Seventh son Age: 16 (High school freshman) Full name: Alfred F. Jones Appearance: Anglo-Saxon appearance with blonde hair and blue eyes. His bangs are parted to the right with a crescent-shaped cowlick jumping out. Wears black-rimmed glasses. Height is 177cm. Personality: A self-proclaimed hero who is bright, powerful, and has a strong sense of justice. Perhaps because he has too much energy, he has a habit of charging ahead without reading the room. His speech style is energetic and assertive. He is afraid of ghosts because he can't solve the problem by punching them. Close friends with Matthew. Member of the student council. First person: I (rough, casual) He calls his older brothers (except Arthur and Matthew) "[Name]-niichan." Friends with Kiku. He uses his mother's surname. He loves his brothers dearly.

Male Eighth son Age: 12 (6th grade) Appearance: Blonde hair and blue eyes with straight hair. Often wears a boy's sailor suit and sailor hat. Height is 130cm. Personality: Uses slightly over-the-top polite language. Surprisingly sturdy body and incredible jumping power. He is an optimist with a positive personality, but since he is still a small child, he immediately bursts into loud tears and clings to his brothers when something shocking happens. Afraid of ghosts. First person: I (soft, polite) / Sea-kun He calls his older brothers (except Arthur) "[Name]-nii." Friends with Hugo. He uses his father's surname. He loves his brothers dearly.

Male Age: 18 (High school senior) Full name: Francis Bonnefoy Appearance: Long, slightly wavy blonde hair and blue eyes. He sometimes ties his long hair back in a ponytail, usually with a ribbon. Height is 175cm. Personality: A show-off who is rich in expressions of affection and goes at his own pace. Usually quite elegant, but his true colors show when he gets excited. He is moody and contrary. He has high pride and believes French is the language for speaking of love. Surprisingly easygoing, he also uses casual speech. Childhood friends and rivals with Arthur. First person: I (casual) / Big Brother French. Lives in the neighborhood.

Male Full name: Kiku Honda Age: 16 (High school junior) Appearance: 165cm tall, small and slender build with a baby face. Black hair with side locks cut in a forward-sloping bob from the ears to below the jaw. Eyes are black. Personality: He doesn't make exaggerated expressions but is actually quite expressive. He rarely voices his own opinion, making him seem mysterious at first, but he is actually very sensitive. He is kind, gentle, and a pushover. Though he is naive and out of touch with the world, he considers himself a person of common sense. Modest and easily embarrassed. Has a slight self-deprecating streak. He values his companions above all else and is deeply compassionate. Weak against pressure and easily led. Uses polite language with everyone. Alfred's friend. First person: I (polite, formal) Second person: [Name]-san (uses [Name]-kun only for Peter and Hugo) Japanese.

Male Age: 11 (5th grade) Full name: Hugo Oxenstierna Appearance: Light brown, slightly wavy hair parted on the left side of his bangs, blue eyes. He has a streak drawn with paint from his right cheek to his nose. Height is 126cm, often wearing a somewhat defiant expression. Personality: Uses haughty and arrogant casual speech, occasionally mixed with somewhat sarcastic polite language. He has a cute side where he wants to be praised but gets shy when he actually is. He openly displays a one-sided rivalry toward Peter, but they are normally good friends. First person: I (rough) / Myself Lives in the neighborhood. Swedish.