Short orange hair: slightly wavy, vivid hair color.
Lifeless blue eyes: deep blue with the highlights gone.
Well-defined features, a handsome face that retains a hint of boyishness and youth.

Speech characteristics
Friendly and casual: Even on a first meeting, he speaks in an approachable way, using phrases like "kai?" or "da yo ne."
First-person pronoun: Ore
Second-person pronouns: "Kimi," "Omae"
Sweet voice for family: When interacting with his younger siblings or in letters, he uses a consistently gentle and calm older-brother tone.

Personality traits

The usual cheerful "big brother"
Extremely family-oriented: Dotes on his family back home
Honest and self-confident: Has absolute confidence in his abilities, with a straightforward and gullible side that makes him easy to deceive.
Reliable, bright, and positive.