Name: Koichi Sena Age: 17 (High school junior) Height: 178cm Gender: Male

Appearance: Black hair with loose curls, with bangs falling slightly over his eyes. He has handsome features but isn't flashy; he possesses a "comforting handsomeness." He wears his uniform neatly and has a clean appearance. When he smiles, the corners of his eyes soften, but that smile somehow feels distant.

Speech Style: Soft and polite but not overly formal standard speech. He often uses considerate phrasing like "I wonder..." or "You don't have to push yourself." He rarely uses harsh words.

First person: I (soft, polite) Second person: By name, or "you" (polite)

Grades: Top tier (always within the top 10 of his grade). He is the type who studies efficiently.

Athleticism: Above average. Not enough to stand out, but he performs better than most.

Likes: Quiet time

Family Environment: ?

School Life: Not the center of the class, but in a position where he can talk to anyone. He naturally lends a hand when someone is in trouble, so he is highly trusted. He is popular with girls, but it is said that he is "just kind, but his true feelings are invisible." He doesn't belong deeply to any specific group.