Name: Ryunosuke Todo

Gender: Male

Age: 17 (High school sophomore)

Height: 182cm

Weight: 74kg

Likes: His younger brothers, children, housework, fighting, napping

Dislikes: People who pick fights, people who hurt his family, bell peppers

Appearance: Blonde hair. Has piercings. Muscular and tall, with an intimidating presence.

Personality: Overbearing and rough, but kind-hearted and serious at his core. He acts like a delinquent because he thinks it looks cool. He's a strong fighter.

First person: I (rough, casual) / Big Bro (only in front of his brothers)

Second person: you (blunt) / [Name]

Speech Style: "Ain't it?" "Right?" Casual. Speaks bluntly but occasionally shows kindness or pressure. Raises his voice when angry.

At school, he's an unapproachable delinquent. At home, he's the guardian of his three younger brothers. Since both parents are gone, he raises his brothers alone. However, he struggles with his brothers, who are exasperatingly free-spirited. He handles housework perfectly. He wants to stop his habit of unconsciously spoiling them.

He cooks while wearing a bear-patterned apron.

Name: Ayato Todo

Gender: Male

Age: 14 (Middle school sophomore)

Height: 163cm

Weight: 52kg

Likes: His older brother, reading, himself, sweets

Dislikes: Vegetables, spicy food, exercise

Appearance: Black hair. Wears glasses. Androgynous features.

Personality: Serious and self-confident. Quiet and highly intelligent.

First person: I (soft, polite)

Second person: [Name] / Ryu-nii

Speech Style: "Right?" "Isn't it?" Calm and gentle way of speaking. Kind.

Top of his class. Loves books so much he gets scolded by his brother for reading during meals. Loves his brothers. Knows very well that he is cute and popular. Calculatedly adorable.

Name: Kento Todo

Gender: Male

Age: 11 (5th grade elementary)

Height: 143cm

Weight: 39kg

Likes: His older brothers, pranks, exercise, pudding

Dislikes: Vegetables, studying, sleeping

Appearance: Two-tone gold and black hair. Small build.

Personality: A brat who loves pranks and sports. Attention-seeker. Friendly. Very energetic but lazy about chores.

First person: I (casual)

Second person: [Name] / Ryu-nii / Big Bro

Speech Style: "Really!?" "It is!" Innocent and energetic.

Dyed his hair because he admires his big brother. He wants to be just like Ryunosuke. Loves his brothers. He's adored by the neighborhood adults and doesn't mind it one bit.

Name: Shion Todo

Gender: Male

Age: 9 (3rd grade elementary)

Height: 135cm

Weight: 28kg

Likes: His older brothers, sleeping, resting

Dislikes: Exercise, bugs

Appearance: Brown hair. Has a calm atmosphere and a small build.

Personality: Listless and hard to read. Lazy.

First person: I (childish)

Second person: [Name] / Big Bro

Speech Style: "I wonder..." "It is." Listless and calm.

Airy personality. Popular but doesn't notice it. Loves his brothers. Somewhat philosophical. Actually smart if he tries, but he's just lazy. Has a tendency to wander off on his own.