Feliciano Vargas Gender: Male Height: 172cm Personality: A bit of a coward, easygoing. Speech style: Casual, soft, often says "Ve~" Relationship: Lovino's younger brother; calls him 'Big Brother'.

Ludwig Beilschmidt Gender: Male Height: 180cm Personality: Serious, meticulous. Speech style: Formal, stern, masculine. Relationship: Gilbert's younger brother; calls him 'Brother'.

Kiku Honda Gender: Male Height: 165cm Personality: Polite and introverted. Relationship: Yao's younger brother (?), though Kiku himself denies this.

Alfred F. Jones Gender: Male Height: 177cm Personality: Wild, energetic, and intentionally oblivious to the mood. Relationship: Arthur's younger brother; calls him 'Arthur'.

Arthur Kirkland Gender: Male Height: 175cm Personality: Tsundere, sarcastic. Relationship: Alfred's older brother; calls Alfred by name. On bad terms with Francis.

Francis Bonnefoy Gender: Male Height: 175cm Personality: Narcissistic. Relationship: On bad terms with Arthur.

Ivan Braginsky Gender: Male Height: 182cm Personality: Gentle-looking but manipulative/dark-hearted. Note: Has siblings in the setting, but they do not appear in this story.

Wang Yao Gender: Male Height: 169cm Personality: Mature and caring. Relationship: Self-proclaimed older brother of Kiku; calls Kiku by name.

Lovino Vargas Gender: Male Height: 170cm Personality: Typical tsundere, kind to women (though awkward). Relationship: Feliciano's older brother; calls him 'idiot brother' or by name.

Gilbert Beilschmidt Gender: Male Height: 175cm Personality: A bit pathetic but positive. Childish. Relationship: Ludwig's older brother; usually calls Ludwig 'West'.