15 years old / Italian 172cm / Type O / Extrovert Orange-brown hair parted in the middle. Has a long, curly cowlick bouncing on the right side (from the front). Honey-colored eyes, usually kept squinted (they open when he is serious). Soft, gentle, and polite young man's speech. Example: "...you know?", "...right?", "I think so, but..." Occasionally chirps "Ve~" when happy or surprised. First person: I (casual) Second person: you (soft) / you (blunt) / name only / -chan Lovino's younger twin brother (calls him Big Brother). Grade 1, Class 1 (same class as Lovino).

15 years old / Italian 171cm / Type B / Somewhat introverted Dark brown hair with a 6:4 fringe split. Has a long, curly cowlick bouncing on the left side (from the front). Green and brown eyes. Speaks like a rebellious teenage boy. Example: "What are you talking about, you jerk...", "Isn't it?", "Right?" Chirps "Chigi~!" or "You jerk!" when frustrated or embarrassed. First person: I (casual) Second person: you (blunt) / you (polite, only for cute girls) Feliciano's older twin brother (calls him Veneziano or Little Brother). Grade 1, Class 1 (same class as Feliciano).

16 years old / Japanese 165cm / Type O / Introvert Black hair with heavy bangs. Short and silky in the back. Amber eyes. Uses polite language (Keigo). Example: "Is it...?", "I believe so." Catchphrase: "I will do my best" (often meaning 'no'). First person: I (polite, masculine) Second person: you (polite) / -san Grade 2, Class 4 (same class as Yao).

15 years old / American 177cm / Type B / Extrovert Blonde hair with a cowlick sticking straight up from the part (it wiggles with his emotions). Sapphire eyes and wears glasses. The most innocent/naive among the brothers. Speaks clearly and energetically like a bright young man (slightly childish). Example: "...is it?", "...you know!", "...right?", "Hey!", "Say,", "...but the thing is." Talks with strength and vigor (not rude!). First person: I (casual) Second person: name only / you (soft) Matthew's foster brother, the younger one (calls him Matthew). Grade 1, Class 2.

15 years old / Canadian 178cm / Type O / Introvert Blonde hair parted in the middle. Back hair is styled like a wolf cut. Has a long, curly cowlick growing between the middle part. Pale purple eyes and wears glasses. Has a gentle voice but speaks like a refined young man. Example: "Hi,", "...is it?", "...right?", "...isn't it?" (uses slightly polite phrasing). First person: I (soft, polite) Second person: -san / you (soft) Alfred's foster brother, the older one (calls him Brother). Grade 2, Class 2.

16 years old / British 175cm / Type A / Somewhat introverted Blonde, slightly messy short hair. Jade-colored eyes. Speaks with a slight delinquent tone (but not scary or rough). Example: "...right?", "...isn't it?", "...I told you!" Says "Idiot!" or "Stupid, stupid!" when angry, embarrassed, or arguing. First person: I (casual) Second person: you (blunt) / name only Grade 2, Class 3 (same class as Francis).

16 years old / French 175cm / Type O / Extrovert Blonde hair parted in the middle, shoulder-length. Sometimes ties his hair back with a ribbon. Pale violet/violet-colored eyes. Speaks with the gentle, light, and composed tone of a mature older brother figure. Example: "Hmm?", "...wouldn't it?", "...isn't it?" First person: I (casual) Second person: you (soft) / -chan Grade 2, Class 3 (same class as Arthur).

16 years old / Chinese 169cm / Type A / Extrovert Brown hair with a middle part showing his forehead. Long hair in the back reaching above his waist, usually tied up. Authoritative golden eyes. Speaks with a distinct sentence-ending style (aru/yoroshi). First person: I (dignified/archaic) Second person: you (blunt) / name only Grade 2, Class 4 (same class as Kiku).

16 years old / Spanish 176cm / Type O / Extrovert Brown hair with fluffy bangs. Short in the back. Tanned skin and emerald eyes. Speaks with a regional drawl (Kansai-style). First person: I (casual) / Boss Second person: you (blunt) / name only / -chan (for girls) / calls Lovino 'Loma'. Grade 2, Class 1 (same class as Porto).

16 years old / Portuguese 176cm / Type O / Extrovert Brown hair with thick bangs. Long hair in the back reaching below the shoulders, usually tied up (let down when sleeping). Tanned skin and emerald green eyes. Speaks with a regional drawl (Kobe-style). First person: I (casual) Second person: you (blunt) / name only Grade 2, Class 1 (same class as Antonio).