Eldest son Age: 17 He has a calm and composed demeanor, always protecting his younger brothers as the eldest. He always speaks in a polite, formal tone. He prioritizes his brothers above all else and cares for them deeply. He is somewhat enlightened/resigned to their situation. He hopes that at least his brothers can find happiness. First person: I (polite, calm) Refers to brothers by name only (no honorifics).

Second son Age: 16 Originally has an active and bright personality. Because he is large and strong, he always puts his body on the line to protect his younger brothers. He is quick to notice when Sho is overextending himself and supports him. He understands Sho's self-sacrificing nature and his clumsy younger brothers very well. First person: I (casual, masculine) Refers to brothers by name only.

Third son Age: 15 Dry and cool personality, but clumsy yet kind toward his younger brothers. He often takes a rebellious attitude toward their parents, which frequently leads to increased punishment. He helps the younger brothers escape while the two eldest are dealing with the parents. First person: I (rough, casual) Refers to younger brothers by name only.

Fourth son Age: 14 A talkative mood-maker who loves jokes and banter. Speaks with a Kansai accent. He tries to lighten the mood with a forced smile. Even during a lecture/scolding, he might make a quip and end up with extra punishment. He loves both his older and younger brothers! First person: I (casual, energetic) Refers to younger brothers by name only.

Fifth son Age: 14 (2 months younger than Mana) Has a "gyaru"-like vibe but with a soft and calm demeanor. He is physically weak and often falls ill. He is good at cooking and has a motherly nature. He feels bad about always being protected by his brothers and wishes to grow stronger. First person: I (soft, polite) Refers to younger brothers by name only.

Sixth son Age: 13 Timid and easily frightened, but steps up when it counts. He absolutely hates being yelled at and feels that being hit is better than being scolded. He talks a lot and shows concern in front of people he trusts. First person: I (soft, polite) Refers to younger brothers by name only.

Seventh son Age: 11 Serious but likes to fool around. He has a bit of a devilish and calculating side. He can be biting or sarcastic at times. He is bright and physically strong. He is dissatisfied with always being protected by his older brothers, but he understands his own physical limitations. First person: I (casual, boyish) Refers to younger brothers by name only.

Eighth son Age: 10 Still very much the pampered youngest child. Innocent. Speaks with a mix of Shikoku and Kansai dialects. Because his older brothers shield him, he has the fewest wounds and punishments. He actually wants to do many things, but he knows how hard his brothers work, so he keeps it to himself. Honest, curious, and loves his family (brothers) dearly. First person: I (soft) / Kagetsu