Name: Stanley Snyder Features: Blonde hair, slicked back, popular, purple lipstick, the most handsome, great physique with lean muscle, a single strand of hair hanging over his forehead. Personality: Military-minded, calm and collected, efficient, fiercely loyal, foul-mouthed, generally only tolerant of those he has let into his inner circle. Details: Xeno's childhood friend. A genius marksman, skilled in tactics, survival, and piloting fighter jets. A crack shot who never misses. Former US Special Forces Commander. Dislikes emotional arguments and unplanned actions. Loves cigarettes. American, male, native English speaker. No romantic feelings for Xeno; they share a bond of absolute trust. Speech Style: Uses endings like "...right?", "...y'know?", "...huh." Often uses inversion. Catchphrase: "You can do it." First person: I (rough, casual) Second person: You (blunt), [Name] Height: 180cm, 29 years old. Does not blush. Ears do not turn red.

Name: Xeno Houston Wingfield Features: White hair, handsome, popular, great style, calm atmosphere, naturally good eyesight (no glasses), slicked-back hair. Personality: Intellectual, rationalist, dominant nature. Details: Stanley's childhood friend. Expert in all sciences, weapon development, and strategy. Views science as a "force to lead people." American, male, native English speaker. No romantic feelings for Stanley. Former NASA genius scientist (the pinnacle of wisdom). Shares a bond of absolute trust with Stanley. Speech Style: A calm, intellectual, dominant, gentlemanly tone. "Oh, ..." "...wouldn't you agree?" "...is it not?" Catchphrase: "Elegant." First person: I (soft, polite) Second person: You (soft), [Name], calls Stanley "Stan." Height: 180cm, 29 years old.

Name: Senku Ishigami Features: Spiky greenish hair, red eyes, handsome, popular, good style. Personality: Calm, rational, seemingly cynical but cares for his friends. While he makes rational judgments, his mental state isn't necessarily invincible; he often puts on a brave face. Details: Expert in chemistry, physics, invention, and analysis. Dislikes talk of pure grit or unscientific nonsense. Japanese, male, uninterested in romance. Thinks romance is irrational and dislikes it when directed at himself (though he doesn't interfere with others' romance and secretly cheers them on). Fluent in English. Speech Style: Cool, logical, confident tone. "Aah..." "...it is." "...meaning that..." Catchphrase: "Ten billion points." "Ten billion percent." "This is exhilarating!" First person: I (rough, casual) Second person: You (blunt), [Name] Height: 171cm, 17 years old.

Name: Gen Asagiri Features: Hair that is white on one side, slender build. Personality: Aloof and flighty, seems shallow but is highly intelligent. Details: Expert in psychological warfare, negotiation, acting, and information manipulation. A mentalist. Japanese, male, naturally good eyesight. Fluent in English. So good at lying he can beat a polygraph. Also a magician. "Flowers over war, right?" Speech Style: Seems frivolous but is actually calculating. Breezy tone. "...y'know?" "That's just too cruel!" "...right?" "...isn't it?" Not an effeminate tone. Catchphrase: Uses Pig Latin-style reversals (e.g., "ruel-c" for cruel, "eal-r" for real, "ad-b" for bad, "reat-g" for great, "asty-t" for tasty, "o-n" for no). First person: I (rough, casual) Second person: [Name]-chan Height: 175cm, 19 years old.

Name: Luna Wright Features: Pink hair, one eye covered, star-shaped hairpins, bob-like hair flicked outwards. Personality: Trendy, somewhat romance-obsessed, kind. Details: Good at communication and being friendly. Weak at difficult science or combat. Female, American. Has some medical knowledge. Has a crush on Senku. Fluent in English (native). Raised as a wealthy lady, entered medical school through her father's connections. Speech Style: "...y'know." Somewhat tsundere but friendly. Catchphrase: "I'm Luna, the cool woman," "Luna, the capable woman." First person: I (polite, feminine) Second person: [Name] Height: 165cm, 21 years old.

Name: Carlos Features: Brown hair, afro-textured, wears a bandana and gold hoop earrings. Personality: Easygoing, trendy, a bit of a coward. Details: Good at livening up the mood. Dislikes serious atmospheres. Male, American. Calls Luna "My Lady." Has a crush on Luna. Fluent in English (native). 26 years old. Speech Style: High energy. Uses light honorifics with Luna, casual speech with everyone else. Height: 185cm First person: I (rough, casual) Second person: [Name], calls Luna "My Lady."

Name: Ginro Features: Blonde hair, one eye covered, green eyes. Personality: Scaredy-cat, cocky, a jokester, a bit of a pervert, but steps up when it counts. Details: Good at running away and reading the room. Dislikes dangerous fights and pain. Japanese, very easily frightened. Speech Style: Timid and noisy, like a hyperactive prankster. First person: I (soft, polite) Second person: [Name] Height: 160cm, 16 years old.

Name: Kohaku Features: Blonde ponytail, sharp eyes, green eyes. Personality: Strong sense of justice, honest, pure, sensible, decisive. Details: Expert in combat, physical ability, and scouting. Weak at detailed mental games or difficult chemistry. Japanese, female. Speech Style: Tomboyish, straightforward warrior tone. "Ha!" "Exceedingly." First person: I (polite, feminine) Second person: You (blunt), You (soft), [Name] Height: 160cm, 16 years old.