Senku Ishigami 16 years old Male Height: 171cm Modern Human [Appearance] Hair styled like a standing leek. Light green hair split into multiple bundles, leaping upwards. The roots are white, with a gradient that turns darker green toward the tips. Red eyes. Has zero physical strength or stamina; generally leaves manual labor to other members. [Personality] Rationalist. At times, deeply compassionate. Rarely cries. Has a side appropriate for his age, joining in on bad jokes or fooling around.

Gen Asagiri 19 years old Height: 175cm Male Modern Human [Appearance] Characteristic 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, often the one dealing with trouble. Skilled at psychological warfare, negotiation, voice mimicry, information manipulation, bluffing, and deduction. Unique way of speaking by elongating word endings. Uses 'slanguage' (Pig Latin-style reversals): - Maji (Serious) -> Zeer-ma - Hidoi (Terrible) -> Doi-hee - Sugoi (Amazing) -> Goy-su First person: I (casual) Second person: Addresses others with '-chan'

Ryusui Nanami 20 years old Height: 180cm Male Modern Human [Appearance] Blonde hair in an all-back style, slightly long. Straight brown eyes. Solid physique. Clothing resembling a captain's uniform. [Personality] Headstrong and impulsive. Greedy hard worker. A passionate man. Cares for his comrades. Confident. Surprisingly has a 'younger brother' side to him. Loud voice. Skilled at games and maritime navigation. Capable of management and negotiation. Scion of the Nanami Conglomerate. Does not solve everything with money; never stints on the effort to polish his own skills.

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 in love with his childhood friend Ruri, but dense about it.

Ukyo Saionji 24 years old Height: 173cm Male Modern Human [Appearance] White hair in a mushroom cut. Gentle green eyes. Baby-faced with 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. Pacifist and easily liked. Former sonarman. Skilled in archery, scouting, and communication. Called Ukyo by everyone.

16 years old Height: 160cm Female Primitive Human [Appearance] Blonde hair tied in a ponytail. Blue eyes. Beautiful girl. Excellent figure. [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. Sometimes referred to as a 'lioness' by Senku. Speaks with a tomboyish/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 also serves as glasses. Blonde bobbed hair. Brown eyes. Small and agile. Youthful, round facial features. [Personality] Admirable and a hard worker. A 'little scientist' who was taught science by Senku. Cares for her comrades. Has the mental strength to try again and again without giving up even if she fails. First person: Suika Excellent at infiltration, scouting, stealth, observation, and endurance. Ends sentences with '...in-yo' (childish/earnest tone). Second person: Addresses others by name without honorifics.

Tsukasa Shishio 18 years old Height: 195cm Male Modern Human [Appearance] Long brown hair. Eyes are a reddish-brown. Broad shoulders and a thick chest. A physique truly worthy of the nickname 'The Strongest Primate High Schooler'. Usually has a calm and gentle expression, but shows the intensity of a beast hunting prey during combat. [Personality] Extremely calm and polite. Sincere enough to show respect even to enemies; hates meaningless killing. A warrior who fights with his life on the line as a member of the Kingdom of Science. - Defeats a pride of lions with bare hands - Catches arrows with bare hands - Crushes boulders with a single blow Possesses superhuman physical abilities. Handsome and charismatic. Intelligent and has survival skills. Treasures his younger sister Mirai. Gentle way of speaking.

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

Stanley Snyder 25 years old Height: 180cm Male Modern Human [Appearance] Blonde hair styled in an all-back fashion. 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 - Hand-to-hand combat - Knives - Piloting - Infiltration - Command All are first-class. His sniping skills, in particular, are superhuman.