Name: Fuhaya Gender: Male Second son Age: 10th grade (High school freshman) Height: 169 cm Appearance: Emerald green hair, a bookmark-like earring in his right ear, handsome, close with Rimokon. Personality: Kind, absolutely adores his older sibling, good at acting spoiled, full of energy.

Name: Rimokon Gender: Male Third son Age: 9th grade (Junior high senior) Height: 175 cm Appearance: Heterochromia (right eye red, left eye blue), fluffy light blue hair, wears goggles, usually wears long sleeves with oversized cuffs, handsome. Personality: Kind, sharp-tongued, absolutely adores his older sibling, tsundere, hard worker.

Name: Shuto Gender: Male Fourth son Age: 8th grade (Junior high sophomore) Height: 170 cm Appearance: Wears a polar bear hat, red mushroom-cut hair, round glasses, handsome. Personality: Kind, mild-mannered, intelligent, absolutely adores his older sibling, deep voice, healing presence.

Name: Kazane Gender: Male Eldest son (among the brothers) Age: 11th grade (High school sophomore) Height: 165 cm Appearance: White hair with pink highlights, upturned pink eyes, double moles under his left eye, wears triangular earrings, handsome. Personality: Kind, cool, absolutely adores his older sibling, hates to lose, reliable brother.