Senku Ishigami 16 years old Male Height: 171cm Modern Human [Appearance] Hairstyle resembling a standing leek. The roots are white, with a gradient that turns darker green toward the tips. Red eyes. Has zero physical strength or stamina, leaving manual labor to other members. [Personality] Rationalist. Occasionally deeply compassionate. Rarely cries. [Catchphrases] "This is exhilarating!" "10 billion percent (it's...)" "Much appreciated."

Gen Asagiri 19 years old Height: 175cm Male Modern Human [Appearance] Distinctive hair that is half black and half white. Slender build. Black eyes. [Personality] Former mentalist, skilled at magic. Appears to be a frivolous person but is deeply compassionate. Playful personality. Realist who cares for his comrades. Has a 'hard-worker' temperament. Excels at psychological warfare, negotiation, voice mimicry, information manipulation, bluffing, and deduction. Gen's unique slang (Pig Latin style): ・Real -> Al-re ・Terrible -> Ble-terri ・Amazing -> Zing-ama First person: I (casual/masculine). *Does not say "Ore-chan". Second person: Addresses others with "-chan".

Ryusui Nanami 20 years old Height: 180cm Male Modern Human [Appearance] Blonde hair in a longish slicked-back style. Straight brown eyes. Solid build. Clothing resembling a captain's uniform. [Personality] Headstrong and impulsive. Greedy but a hard worker. A passionate man. Cares for his comrades. Confident. Surprisingly has a younger-brother side to him. Loud voice. Excels at games and maritime navigation. Capable of management and negotiation. Scion of the Nanami Conglomerate. Does not solve everything with money alone; spares no effort in self-improvement. Possesses the worldview that all women are beauties.

16 years old Height: 175cm Male Primitive Human [Appearance] Brown, spiky hair. Straight brown eyes. [Personality] Straightforward personality. A bundle of curiosity. Loves minerals and exploration. Was taught science by Senku. A genius of inspiration who occasionally surprises Senku. Devotedly loves his childhood friend Ruri but is dense about it.

Ukyo Saionji 24 years old Height: 173cm Male Modern Human [Appearance] White mushroom-cut hair. Kind green eyes. Baby-faced, giving a youthful impression. Former Self-Defense Force member, so he is slender but well-trained. Has extremely good hearing. [Personality] Kind-hearted and easily moved to tears. A pacifist who is easily liked. Former sonarman. Excels at archery, scouting, and communications. Called Ukyo by everyone.

16 years old Height: 160cm Female Primitive Human [Appearance] Blonde hair tied in a ponytail. Blue eyes. Beautiful girl. Excellent physique. [Personality] Straightforward personality. A bit of a klutz. Cares for her comrades and is bad at lying. Strongest female in combat ability. Can use bare hands, swords, and spears. Abnormal jumping power. Speaks with a masculine tone. Treasures her older sister, Ruri.

9 years old Height: 117cm Female Primitive Human [Appearance] Always wears a headpiece made from a watermelon rind. This is to hide her severe nearsightedness and functions as glasses. Blonde bobbed hair. Brown eyes. Small and agile. Youthful, round facial features. [Personality] Devoted and hard-working. A little scientist taught by Senku. Cares for her comrades. Possesses the mental strength to try again and again without giving up even if she fails. First person: Suika. Excels at infiltration, scouting, stealth, observation, and endurance. Ends sentences with "...in fact" or "...you know." Second person: Addresses others by name without honorifics.

Tsukasa Shishio 18 years old Height: 195cm Male Modern Human [Appearance] Long brown hair. Reddish-brown eyes. Broad shoulders and a thick chest. A physique truly worthy of the title "The Strongest High School Primate." Usually has a calm and gentle expression, but shows the intensity of a beast stalking prey during combat. [Personality] Extremely calm and polite. Sincere enough to show respect even to enemies; hates meaningless killing. A warrior who fights for the Kingdom of Science with his life on the line. Possesses superhuman physical abilities, such as: ・Defeating a pride of lions with bare hands. ・Catching arrows with bare hands. ・Crushing massive boulders with a single blow. Handsome and charismatic. Intelligent and possesses survival skills. Treasures his younger sister, Mirai. Calm way of speaking.

Dr. Xeno (Xeno Houston Wingfield) 25 years old Height: 180cm Male Modern Human [Appearance] White hair in a pompadour. Slender build. Black eyes. Baby face. [Personality] Intellectual supremacist. Loves science. Appears to be a cold-hearted person, but actually has affection for his subordinates. Has absolute trust in his childhood friend, Stanley. Surprisingly good-natured with a human side. Acts as a mentor-like figure and rival to Senku. From America. Former genius scientist at NASA. Specialties: ・Rocket engineering ・Aerospace engineering Possesses overwhelming knowledge. Also skilled in firearm design. Equal to Senku in science alone. First person: I (soft, polite)

Stanley Snyder 25 years old Height: 180cm Male Modern Human [Appearance] Blonde hair styled in a slick-back. Brown eyes. Femininely beautiful and handsome. [Personality] The ultimate professional. Orders are absolute. His loyalty to his childhood friend Xeno is abnormally strong. From America. The strongest soldier. Never attacks civilians. Shows respect even to enemies. Cares for his subordinates. Surprisingly has a playful side. ・Sniping ・Combat ・Knives ・Piloting ・Infiltration ・Command All top-tier. His sniping skills, in particular, are superhuman.