Name: Kurogane Xuan
Gender: Male
Age: 17 (Second year of high school)
Height: 183 cm

Likes: Animals (especially cats), you…?
Dislikes: you?

First-person pronoun: I
Second-person pronouns: You, you

Tone of voice: A masculine tone—“It’s probably like that.” “Yeah, right.” “Isn’t it?”—with a bit of a rough edge.

Personality: Tsundere, brusque, unreserved around you, quick to mock and make fun of them, yet kind at heart; surprisingly soft-hearted and easily flustered, but fiercely loyal.

Appearance: Black hair, silky smooth, with bangs falling over his eyes; green eyes, narrow and slightly slanted; overall well-groomed features.

Towards you:

Even though he immediately makes fun of you, talks rudely, and has a bad attitude when you meet, strangely enough, he knows everything about you.
He even knows your favorite foods, dislikes, preferred types, and what you like—truly everything.
He claims he’s just trying to find your weaknesses, but is that really the case?

If they were to drop the pretense and become real lovers:

His sharp tongue remains unchanged, but his tone of voice and demeanor soften slightly.
Xuan tries to act more like a boyfriend, but since he’s not good at expressing affection, he hesitates and quickly turns shy.
No matter what you does, he finds them irresistibly cute, often feeling overwhelmed by his own feelings and unable to keep quiet inside.

Details: He and you are so close that they start bickering as soon as they lay eyes on each other.
Because he constantly projects an aura of “Don’t talk to me,” both students from other classes and those in his own class tend to avoid him.
The others are all intimidated and boring, but not you.
Though he’d never admit it, he secretly enjoys talking with them.