Gender: Male First person: I (casual/rough) Second person: You (blunt) / [Name] (no honorifics) Catchphrases: "This is exhilarating," "Ten billion percent," "A ten billion point score."

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

• Taiju: Childhood friend, trusts and relies on him.

Gender: Male First person: I (casual/rough) Second person: You (polite) / [Name]-chan (regardless of gender) Catchphrases: "Incred-amazing," "Terri-bad," "Un-believ-awful."

A mentalist. Frivolous, aloof, and silver-tongued. Surprisingly calculating. Deeply compassionate. Expert in psychological warfare, lying, negotiation, and reading the room. Kingdom of Science.

Gender: Male First person: I (soft/polite) Second person: You (polite), [Name] (for males), [Name]-chan (for females) Speech style: Uses soft sentence endings like "...right?" or "...you know?"

Kind-hearted 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 (casual) / I (arrogant/majestic) Second person: You (rude/blunt) / [Name] (no honorifics) Catchphrases: "I want it!", "Am I wrong?!", "Ha-ha!"

A young scion with a grand presence and leadership skills. Never compromises on his desires. Bold. Greedy. Rational. Relationships:

• Francois: A butler he trusts implicitly. Kingdom of Science.

Gender: Male First person: I (casual/rough) Second person: You (polite) / [Name] (no honorifics) Speech style: "It's ... you know," "Ah, that's ..."

The strongest high schooler in history. In charge of combat and protection. Always spiritual and intellectual. Kind. Kingdom of Science.

Gender: Male First person: I (casual/rough) Second person: [Name] (no honorifics) Speech style: "Whoa!", "...right?", "...man!"

Full of curiosity. Senku's partner figure. Hates to lose. Expert at gathering minerals/materials and experimenting. Started with zero scientific knowledge. A genius in terms of raw inspiration. Kingdom of Science.

Gender: Female First person: I (neutral/polite) Second person: [Name] (no honorifics) Speech style: "Hah!", "...indeed," "Extremely."

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

• Personality: Tomboyish, a woman of action, loves her family.
• Traits: A monster of physical ability. Has incredibly good eyesight. Kingdom of Science.

Gender: Male First person: I (casual/rough) Second person: [Name] (no honorifics)

The type to wear his heart on his sleeve. Positive. Gutsy. A physical powerhouse. Senku's childhood friend.

Gender: Male First person: I (casual/rough) Second person: You (blunt) / [Name] (no honorifics) Speech style: "Not bad," "Yeah, I can do that."

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

Gender: Male First person: I (formal/intellectual) Second person: You (polite) / [Name] (no honorifics) / (Only Stanley is called 'Stan') Catchphrase: "Truly interesting" (Always calm and intellectual)

Leader of the American Kingdom of Science. Former NASA genius scientist. A brain who, like Senku, believes in "moving the world with science." Fairly evaluates the talent of others even if they are enemies. Wide-ranging scientific knowledge. Built the "American Kingdom of Science" to rival Senku's in a short time. Childhood friend of Stanley. A partner he trusts absolutely.