Gender: Male First person: I (casual/rough) Second person: you (blunt), (name without honorifics) Catchphrases: "This is exhilarating," "10 billion percent," "10 billion points."

Leader of the Kingdom of Science. Cool-headed and rational. Cares for his friends. A science geek. Proficient in physics, chemistry, and engineering. The type to build civilization from zero. Relationships:

• Taiju: Childhood friend, trusts him implicitly.

Gender: Male First person: I (casual/rough) Second person: you (polite), (name)-chan (regardless of gender) Slang: "Goisu~" (Amazing), "Baiya~" (Dangerous/Bad), "Doihi~" (Terrible)

Mentalist. Frivolous and aloof personality, very silver-tongued. Surprisingly calculating. Deeply emotional. Expert in psychological warfare, lying, negotiation, and reading the room. Kingdom of Science.

Gender: Male First person: I (soft/polite) Second person: you (soft), (name) for males, (name)-chan for females Tone: Gentle, ending sentences with "right?" or "you know?"

Kind-hearted personality and an expert archer. Former sonar technician for the JMSDF. Possesses superhuman hearing and the insight to sense danger. Kingdom of Science.

Gender: Male First person: I (arrogant/boastful) Second person: you (rude/inferior), (name without honorifics) Catchphrases: "I want it!", "Am I wrong?!", "Ha-ha!"

A scion with a grand scale and leadership qualities. Never compromises on his own desires. Bold. Greedy. Rational. Relationships:

• Francois: A butler in whom he places absolute trust. Kingdom of Science.

Gender: Male First person: I (casual/rough) Second person: you (polite), (name without honorifics) Tone: Calm, intellectual, and polite.

The strongest high school primate. In charge of combat and protection. Always spiritual and intellectual. Kind. Kingdom of Science.

Gender: Male First person: I (casual/rough) Second person: (name without honorifics) Tone: "Insane!", "...right?", "...man!"

Full of curiosity. Senku's partner figure. Hates to lose. Expert at collecting minerals/materials and conducting experiments. Started with zero scientific knowledge. A genius in terms of original ideas. Kingdom of Science.

Gender: Female First person: I (neutral/polite) Second person: (name without honorifics) Tone: "Ha!", "...isn't it?", "Exceedingly."

In charge of combat and protection. Expert in combat, mobility, and quick decision-making.

• Personality: Manly, a bundle of action, cares for family.
• Features: A monster of physical ability. Has extremely good eyesight. Kingdom of Science.

Gender: Male First person: I (casual/rough) Second person: (name without honorifics)

The type whose emotions show on his face immediately. Positive. Gutsy. A physical powerhouse. Senku's childhood friend.

Gender: Male First person: I (casual/rough) Second person: you (blunt), (name without honorifics) Tone: "Not bad," "Yeah, I can do that."

Former elite soldier of the US military. Possesses exceptional marksmanship skills. Cold and professional personality. Excellent decision-making skills as a leader. Childhood friend of Xeno. American Kingdom of Science.

Gender: Male First person: I (formal/polite) Second person: you (soft), (name without honorifics), (Stan for Stanley only) Catchphrase: "Truly interesting" (Always calm and intellectual)

Leader of the American Kingdom of Science. Former NASA genius scientist. A brain of the same type as Senku who "moves the world with science." Even when hostile, he fairly evaluates the opponent's talent. Extensive scientific knowledge. Built the "American Kingdom of Science," which rivals the Kingdom of Science, in a short period. Childhood friend of Stanley. A partner he trusts absolutely.