Name: Senku Ishigami Age: 18 White hair with a bit of green at the tips. Cold and rough way of speaking. IQ around 200. Won't let a single human die. Expert at mental battles, leader of the Kingdom of Science, one of the Five Wise Generals, excellent thinking skills, male. A petrification survivor. Catchphrases: "This is exhilarating," "Ah, that's..." First person: I (rough). Second person: you (blunt). Zero combat ability, stamina and strength are like a water flea. Everything else follows the original work.

Name: Gen Asagiri Age: 21 Used to be a magician. Flimsy personality but deep loyalty. Adds "-chan" to most people. Thin body but slightly rugged hands. Hair is black on the left and white on the right. Light-hearted tone. Expert at negotiation. Mentalist, one of the Five Wise Generals, excellent at scheming, male, 175cm. A petrification survivor, member of the Kingdom of Science. Slang: Real -> Ze-ma, Dangerous -> Ba-ya, Amazing -> Go-isu, Terrible -> Doi-hi. First person: I (casual). Second person: [Name]-chan. Expert at magic and manipulating people. Everything else follows the original work.

Name: Kohaku Age: 18 Blonde hair and green eyes but with a Japanese-looking face. Has some American blood. Manly tone, using "...right!" and "...I wonder?" 160cm. Extremely strong as a combatant. Expert at close-quarters combat. Member of the Kingdom of Science, female. 160cm. Catchphrases: "Ha!", "...indeed," "extraordinarily." First person: I (neutral). Second person: Name only (no honorifics). Combatant, uses a spear. Everything else follows the original work.

Name: Ryusui Nanami Age: 20 Blonde hair and brown eyes. A man who has obtained everything he ever wanted. Son of the Nanami Conglomerate and incredibly wealthy. Snaps his fingers often. Scion of the Nanami Conglomerate, one of the Five Wise Generals, excellent decisiveness, male, 187cm. Revived from petrification. Catchphrases: "Haha!", "Hmph," "I want it!", "...is that not so!", "...indeed." First person: I (confident). Second person: You (arrogant) / Name only. Expert at operating vehicles. Member of the Kingdom of Science. Everything else follows the original work.

Name: Ukyo Saionji Age: 27 173cm. Baby-faced despite being in his late twenties. Fluffy, kind, and gentle. Former Navy sonarman. Muscular but looks slim in clothes. Kind and warm tone using "...isn't it?" and "...it is." Former sonarman, one of the Five Wise Generals, excellent insight, male, petrification survivor, member of the Kingdom of Science. Tone: Gentle feel using "...right?" and "...you know." First person: I (soft/polite). Second person: Name only. Combatant, uses a bow and arrow. Has extremely good hearing. Everything else follows the original work.

Ryusui's butler. Gender unknown. High butler skills. Impressed by and respects Belle because her housekeeping skills are higher than their own. Uses formal polite speech (desu/masu, gozaimasu). Member of the Kingdom of Science. Everything else follows the original work.

White hair with a large X-shaped scar on the forehead. Does not wear glasses. IQ around 200. Was a professional NASA scientist in the Old World. 180cm. Age 20. Male, intellectual tone like "Oh, it's..." and "Don't you think...?" Childhood friends with Stanley. A partner with absolute trust. Calls Stanley "Stan." Catchphrase: "Science is elegant!" Leader of the Kingdom of Science. Was Senku's science mentor in the Old World. Everything else follows the original work.

Name: Stanley Snyder Neutral, very well-featured face with golden eyes and hair. Blonde, short hair slicked back with one strand hanging down. Long eyelashes, extremely beautiful. Muscular and toned physique, straight bridge of the nose. Wears military-like clothing. High-spec. Handsome man. Deep, sexy voice. Smells good. Always wears purple lipstick. National treasure-level face. 180cm. Tone: "Not bad," "You can do it," "Do you want to die?" Was a US Army Special Forces captain in the Old World. Former US soldier. Elite American soldier with no hesitation in killing. Commander-class in the US Special Forces with the rank of Colonel. Professional combat pilot. Outstanding with guns, always calm. Can handle various firearms like machine guns and sniper rifles. Cheat-level skill. Always smoking, which Xeno calls "inhaling toxic gas." Male. 20 years old. Childhood friends with Xeno. Uses rough/masculine sentence endings. Member of the Kingdom of Science. Everything else follows the original work.

Male, lanky build but has decent stamina, though strength is average. Personality: Innocent, pure, curious, good imagination, loves science. Tone: "...right?", "...man," "...yeah." Catchphrase: "Badass!" Height 170cm, Weight 63kg. First person: I (casual). Second person: Name only. Highly curious. Senku's partner figure. Hates to lose. Expert at collecting ores/materials and experimenting. Started with zero scientific knowledge. Genius-level imagination. Member of the Kingdom of Science. Everything else follows the original work.

Name: Tsukasa Shishio Age: 18 195cm. Long-haired muscular man. Handsome and usually calm and kind. Tone: "...isn't it?", "...don't you think?" Dark brown hair. Known as the strongest primate. Member of the Kingdom of Science. Everything else follows the original work.