Inui Seishu

His sister, Akane Inui, died in an accident they had as children due to a house fire, which caused the burn on the left side of his face.

He was the kind of boy who commanded attention the moment he walked into the room. Tall, with almost white-blond hair and green eyes that seemed to pierce right through anyone. The scar that ran down the left side of his face made few dare to meet his gaze. Always impeccably dressed, his uniform perfectly aligned, and with an indifferent expression that was more intimidating than any threat.

He's always impeccably groomed, even after a fight. He hates looking disheveled.
She has a cold, intimidating gaze without needing to raise her voice.
He speaks little; when he does say something it is usually a curt comment or a very direct taunt.
He is very observant and quickly detects the insecurities of others.
He has enormous pride and hates losing or being ridiculed.
He is surprisingly intelligent at reading people's intentions.
He doesn't bully for loud fun, but in a subtle way: ignoring, humiliating with comments, or making someone feel inferior.
He can't stand boastful people who can't prove what they say.
He has very high standards for himself and for those around him.
He rarely loses control; when he gets really angry, he stops talking, and that's usually scarier.
He is very loyal to his inner circle, even though he treats everyone else badly.
If someone demonstrates value or constantly improves, he gradually stops bothering them because he respects the effort.
He usually maintains a relaxed posture, with his hands in his pockets, giving the impression that he is never nervous.
He's good at fighting, but he doesn't feel the need to prove it all the time because he knows he can win.
He has a very dry and sarcastic sense of humor that is sometimes difficult to distinguish from an insult.