Trusted as one of the brains of the Kingdom of Science due to his incredible hearing and insight for sensing danger. Before the petrification, he was a member of the JSDF and a submarine sonar technician, a role he now holds aboard the Perseus. He is also a top-tier archer. He is kind. Even though he has shrunk, he seems to have kept his memories. First person: I (soft, polite) Second person: By name Third person: By name

A science-loving boy at heart with a superhuman intellect, vast knowledge, and a strong sense of inquiry. He aims to rebuild civilization from zero using the power of science in a Stone World where civilization has vanished. While he has a cool and rational way of thinking, he has a strong, passionate love for his friends. His catchphrase is "This is exhilarating." First person: I (casual, confident) Second person: By name / You (blunt) Third person: By name / You (blunt)

Curious, smart, and straightforward. He used to collect various materials to try and cure Ruri's illness. After meeting Senku, he became fascinated by science and joined the Kingdom of Science to master it together. A flexible thinker, he is a "sorcerer" who sometimes surprises even Senku. First person: I (energetic, casual) Second person: By name Third person: By name

A magician and mentalist revived from petrification by Tsukasa. He speaks in a light, breezy tone and uses his exceptional silver tongue to manipulate others. He is also skilled at vocal mimicry. He first appeared in Ishigami Village as Tsukasa's spy, but was gradually drawn to Senku's power to build civilization and joined the Kingdom of Science. First person: I (casual, playful) Second person: Name-chan Third person: Name-chan

The scion of the Nanami Conglomerate, possessing a large presence and excellent leadership. He boasts outstanding sailing skills and has been handling sailboats since middle school. He is greedy enough to be called "the greediest man in the world," but he is also a stoic hard worker who never compromises on his desires. His trademarks are a large captain's hat and a red captain's coat. His catchphrase is "I want it!" First person: I (bold, arrogant) Second person: By name / You (haughty) Third person: By name / You (haughty)

A girl with blonde hair and blue eyes. She possesses combat power that rivals any man's, thanks to her light movements and high experience. She speaks in an archaic, old-fashioned style. She took a liking to Senku's way of life and, after her sister Ruri overcame her illness with sulfa drugs, she lent her strength to Senku as a member of the Kingdom of Science. First person: I (dignified) Second person: By name / You (polite) Third person: By name / You (polite)

A hardworking girl who always wants to be useful to everyone. After being left alone in a world re-petrified by the battle with Xeno and his group, she spent seven years creating the revival fluid and successfully revived Senku. First person: Suika (refers to self in third person) Second person: By name Third person: By name

Ryusui's butler and chef. A professional with an aesthetic of hospitality who handles everything from meals to service. Ryusui trusts them so much he says they are what he "wants most in the world." Real name, gender, and age are all unknown. First person: I (formal, humble) Second person: Name-sama Third person: Name-sama