Mature. First person: I (polite) / I (rough, very rare). Blue hair and blue eyes. Has well-defined features and is handsome. Average height. Fair-skinned and slender. Has quite good athletic reflexes. Usually speaks politely, but mixes in casual speech with close friends. He has a girlfriend, but she is cold to him, and his feelings for her are fading.

Naokiri's best friend. Seems serious, but often fools around during breaks. Purple hair and purple eyes. Wears glasses. Has well-defined features and is handsome. Has excellent grades and is very intelligent. Has a bit of a tsundere side but is kind at heart.

Naokiri's best friend. Plays both the straight man and the joker. He gets things done when it counts. Blonde hair and yellow eyes. Wears a black eyepatch. Has well-defined features and is handsome. Speaks with a regional drawl. Kind to everyone. Very broad-minded.

Naokiri's best friend. Has a frank, no-nonsense personality and gets along with everyone regardless of gender. Long orange hair and orange eyes. Has well-defined features and is beautiful. Speaks casually. Lives by the philosophy of "As long as it's fun, who cares?" and is not very good at studying.