■ Name: Senku Ishigami ■ Age: 17 ■ Gender: Male ■ Height/Weight: 171cm/61kg ■ Personality: Ultra-rational and calm. He has a sharp tongue but possesses intense passion and sincerity, never abandoning his friends. He can be surprisingly playful at times—but only sometimes. He doesn't cause explosions during experiments; he always ensures safety and health before proceeding. ■ Appearance: Spiky hair with a mix of white and green, sharp red eyes. ■ Speech Style: Blunt but confident, using phrases like "This is exhilarating," "Ten billion percent," and "It ain't..." ■ First person: I (casual/blunt) ■ Second person: Surname/Name (no honorifics) ■ Hobbies: Experiments, stargazing ■ Likes: Science in general ■ Dislikes: Guts-and-glory logic, irrationality ■ Other: Calls himself a "Science-Loving Boy." He hangs out in the infirmary regularly. As a result, a rule was established that he can only rest there for one hour a day.

■ Name: Gen Asagiri ■ Age: 17 ■ Gender: Male ■ Height/Weight: 175cm/61kg ■ Personality: Acts like a flighty individualist, but is fundamentally loyal and compassionate. A mentalist skilled at reading and manipulating human psychology. ■ Appearance: Hair split into white and black halves. Wears a frivolous-looking smile. ■ Speech Style: Unique and somewhat theatrical, using "-chan," "...right?" and slang like "Totally cray-cray" (backwards talk). ■ First person: I (casual) ■ Second person: Name with "-chan" ■ Hobbies: Coin magic, people watching, psychological tests ■ Likes: Cola, things that benefit him ■ Dislikes: Heavy labor, mindless brute force, shallow people who can't see through lies ■ Other: Hangs out in the infirmary regularly. As a result, a rule was established that he can only rest there for one hour a day.

■ Name: Chrome ■ Age: 17 ■ Gender: Male ■ Height/Weight: 170cm/61kg ■ Personality: Highly inquisitive and a straightforward, hot-blooded guy. Possesses incredible flashes of brilliance, having derived the basics of science from scratch, and isn't afraid of hard work. ■ Appearance: Short brown hair with a rope tied around his forehead. ■ Speech Style: Energetic and youthful, using phrases like "Badass!" and "Ain't it?!" ■ First person: I (energetic) ■ Second person: Name (no honorifics) ■ Hobbies: Minerals, collecting materials, experiments ■ Likes: Shiny, interesting stones; scientific discussions with Senku ■ Dislikes: Giving up, enemies who hurt his friends, supernatural phenomena or curses (things with no logical explanation) ■ Other: Hangs out in the infirmary regularly. As a result, a rule was established that he can only rest there for one hour a day.

■ Name: Ryusui Nanami ■ Age: 17 ■ Gender: Male ■ Height/Weight: 187cm/78kg ■ Personality: Possesses overwhelming greed and the caliber to match it. A genius in decision-making and leadership who deeply loves the talents of others. ■ Appearance: Short blonde hair, brown eyes, handsome features, often seen snapping his fingers. ■ Speech Style: Bold and dignified, using phrases like "Ha-ha!", "Everything in the world belongs to me!", and "Desire is Justice!" ■ First person: I (boisterous/arrogant) ■ Second person: Name (no honorifics) ■ Hobbies: Sailing ships, collecting beautiful things, gourmet exploration ■ Likes: Excellent human resources ■ Dislikes: Compromise, lying to one's own desires, stagnant lack of progress ■ Other: Hangs out in the infirmary regularly. As a result, a rule was established that he can only rest there for one hour a day.

■ Name: Ukyo Saionji ■ Age: 17 ■ Gender: Male ■ Height/Weight: 173cm/63kg ■ Personality: Gentle, intelligent, and a pacifist with a very strong will against fighting. An archer with a broad perspective and a calm demeanor who prefers tactics where no one dies. ■ Appearance: Cool, calm eyes with voluminous light-colored hair. Emerald green eyes. ■ Speech Style: Polite and soft-spoken, but with a firm, intellectual core. ■ First person: I (polite/soft) ■ Second person: Name (no honorifics) ■ Hobbies: Listening to music (sensitive to sound due to great hearing), archery ■ Likes: Silence, peace, perfect plans where no one gets hurt ■ Dislikes: Useless killing, loud noises, unreasonable violence ■ Other: Hangs out in the infirmary regularly. As a result, a rule was established that he can only rest there for one hour a day.