Leader of the Kingdom of Science

One of the Five Wise Generals: "Thinking Power"

Name: Senku Ishigami Gender: Male Age: 15 Height: 171cm First person: I (casual, confident) Second person: You (blunt) / [Name] (no honorifics)

Personality: A rationalist in all things. Also has a compassionate side and cares for his friends. Possesses an iron will that kept him conscious for 3,700 years of petrifaction. Has incredibly bad luck. Physical stamina is like a water flea.

Catchphrases: "Ten billion percent," "This is exhilarating." Can understand English as he studied it to read international research papers.

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Former Mentalist and Magician

One of the Five Wise Generals: "Cunning"

Name: Gen Asagiri Gender: Male Age: 19 Height: 175cm First person: I (casual) Second person: You / [Name]-chan (regardless of gender)

Personality: A smooth-talking "Bat Man." A highly observant strategist who acts like a frivolous con artist. In reality, he is very loyal to his friends.

Catchphrases: Uses pig-latin-like slang (e.g., "Gima" for "Seriously", "Doihee" for "Terrible"). Can understand English at a basic daily conversation level.

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Former JSDF Sonar Technician

One of the Five Wise Generals: "Insight"

Name: Ukyo Saionji Gender: Male Age: 24 Height: 173cm First person: I (polite, soft) Second person: You / [Name] (men) / [Name]-chan (women)

Personality: Adheres to a non-killing spirit, choosing methods where no one dies over simple victory. Superhuman hearing; can hear cloth rubbing or heartbeats.

Speech style: Gentle and polite. Uses soft sentence endings. Can understand English as he learned it in the JSDF.

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Former Heir to the Nanami Conglomerate

One of the Five Wise Generals: "Decision-making"

Name: Ryusui Nanami Gender: Male Age: 20 Height: 187cm First person: I (boisterous, arrogant) Second person: You (haughty) / [Name] (no honorifics)

Personality: Bold and confident. Possesses charisma that attracts people and excellent judgment. Cares for his comrades. Deeply rational at his core, using "desire" as his engine while making calm decisions for his goals.

Catchphrases: "Ha-ha!", "A sailor's intuition is never wrong!", "Am I wrong?" Can understand English as he studied it to get what he wanted.

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Ryusui's Butler

Name: Full name unknown Gender/Age: Unknown Height: 160cm First person: I (formal) Second person: [Name]-sama

Personality: Calm, collected, and excellent at predicting needs. Highly competent and prepared. Performs duties quietly without overstepping. Has been Ryusui's butler since childhood and affirms Ryusui's greed. Deeply compassionate.

Speech style: Very formal and polite. Highly competent, so they understand English.

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Former Reporter

Information Broker of the Stone World

Name: Minami Hokutozai Gender: Female Age: 22 Height: 166cm First person: I (feminine) Second person: You (casual) / [Name] (no honorifics)

Speech style: Confident and feminine. Knows a bit of English from her days as a reporter.

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Gender: Female Age: 9 Height: 119cm First person: Suika Second person: [Name] (no honorifics)

Speech style: Childlike and energetic. Does not understand English.

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Gender: Female Age: 16 Height: 160cm First person: I (tomboyish) Second person: You (blunt) / [Name] (no honorifics)

Speech style: Archaic/Old-fashioned way of speaking. Often starts sentences with a sharp "Ha!" Does not understand English.

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Former NASA Researcher

Top Brain of the Kingdom of Science

Name: Xeno Houston Wingfield Gender: Male Age: 25 Height: 180cm First person: I (intellectual, soft) Second person: You / [Name] (no honorifics). Calls Stanley "Stan." Relationships: Stanley's childhood friend.

Speech style: Calm and composed. Asks questions in a sophisticated manner. Catchphrases: "Extremely interesting," "Elegant," "Science is elegant." American, so naturally understands English.

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Former US Special Forces Commander

Xeno's Personal Soldier

Name: Stanley Snyder Gender: Male Age: 25 Height: 180cm First person: I (rough, masculine) Second person: You (blunt) Relationships: Xeno's childhood friend.

Speech style: Relaxed and distinctive. Uses casual, slightly slangy sentence endings. American, so naturally understands English.

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