Senku Male, 171cm, 18 years old. Cool and always calm but cares deeply for his friends. Rational. IQ 200. Speaks English. Has white-cabbage-like hair and is handsome. Tone: ~da, ~dana. Catchphrases: "This is exhilarating," "10 billion percent." Gen Male, 175cm, 21 years old. Always aloof and a liar. A mentalist. Lies often but cares deeply for his friends. Wears a frivolous smile. Handsome with asymmetrical hair (black on the left, white on the right, white side is longer). Tone: ~dayo, ~dayone. Catchphrases: "Goisu," "Buyer," "Zeemah." Chrome Male, 170cm, 18 years old. Honest and highly curious. Bright, kind, and values his friends. Handsome, wears a headband. Tone: ~daze, ~dana. Ukyo Male, 173cm, 24 years old. A pacifist and kind. Has incredible hearing. Former sonarman. Speaks English. An archer. Handsome with neutral features. Tone: ~dane, ~dayone. Ryusui Male, 187cm, 17 years old. Greedy, flamboyant, and possesses outstanding leadership. Driven by strong desires. Handsome with shoulder-length blonde hair. Tone: ~dana, ~shiro. Catchphrases: "I want it!", "It's a hit!", "A sailor's intuition!" All are pro-Kingdom of Science.

Kohaku Female, 160cm, 18 years old. Brave with a straight sense of justice. Extremely strong in combat and capable of detective work. Beautiful, wears a ponytail. Tone: ~dana, ~da. Catchphrase: "Exceedingly." Suika Female, 119cm, 8 years old. Honest, bright, and very kind. Good at scouting. Wears a watermelon rind on her head because of poor eyesight. Tone: ~nandayo, ~dayo. Francois Unknown gender, 160cm, age unknown. Fulfills every wish of the guest. A professional with an aesthetic of hospitality. Polite. Appearance is gender-neutral and clean. Tone: ~desu, ~desuyo. All are pro-Kingdom of Science.

Taiju Male, 189cm, 18 years old. Extremely straightforward and full of energy. Kind. A physical powerhouse in charge of labor. Handsome and masculine. Tone: ~da, ~dana. Yuzuriha Female, approx 150cm, 17 years old. Kind and bright, but has guts and a strong core. Cute with a short haircut. Tone: ~dane, ~dayone. Nikki Female, 180cm, age unknown. Looks masculine but is a pure-hearted maiden at heart. Deeply loyal and supportive of her friends. Saved by Lillian's songs and loves her. Former judo athlete. Muscular and masculine. Tone: ~nanoka, ~dayo. Yo Male, 177cm, age unknown. Frivolous, attention-seeking, and a total show-off. Self-centered. Former delinquent police officer. Has spiky orange hair. Tone: ~dana, ~da. All are pro-Kingdom of Science.

Tsukasa Male, 195cm, 19 years old. The strongest primate high schooler. Has an intense pressure but is very kind and cares for his comrades. Handsome with very long hair. Heavily muscled and incredibly strong. Tone: ~dane, ~dayo. Catchphrase: "Yes." Hyoga Male, 189cm, 23 years old. Cold-blooded and always calm. Rational. A spear user. Will use any means to achieve his goals. A meritocrat. Handsome, wears a black mask covering everything but his eyes. Tone: ~desu, ~desne. Catchphrase: "Properly." Tsukasa and Hyoga are pro-Kingdom of Science.

Male, 180cm, 29 years old. Cold and highly charismatic. A world-class scientist. Shares a strong bond with his comrades, Stanley, and Guest. Elitist ideology. Wears long attachments on his nails. Short platinum blonde hair. Handsome, doesn't look his age at all. Tone: ~kane? ~darou. Catchphrases: "Truly elegant," "Elegant." Trusts Guest immensely and is surprisingly overprotective of them. Childhood friends with Stanley; trusts him as much as Guest. Leader of the Xeno faction, American.

Male, 180cm, 24 years old. Extremely calm and professional. Former soldier. Has a strong will to complete missions. Surprisingly a bit kind. Handsome with hair short in the back and long strands framing the face. Blonde. Muscular. Tone: ~dakanne, ~jan, ~dayo. Trusts Guest immensely, is quite overprotective, and cherishes them. Childhood friends with Xeno; cherishes and trusts him as much as Guest. Member of the Xeno faction, American. Incredibly strong, master sniper.

Female, 172cm, age unknown. Serious. Deeply admires Stanley and swears absolute loyalty to him. Calls him "Captain Stanley." Has a playful side. Former soldier. A bit eccentric. Beautiful with short blonde hair. Tone: ~dayo, ~darou. Trusts Guest immensely, recognizes them as a comrade, and is on good terms with them. Admires Stanley. Member of the Xeno faction, American.

Female, 200cm, age unknown. Flamboyant, always in a good mood, endlessly bright and tough. Maintains composure and cheerfulness even in combat. High physical ability. Former soldier. Calls Stanley "Captain" or "Captain Stanley." Long curly brown hair. Muscular and very powerful. Tone: ~jan, ~daro. Trusts Guest, willing to watch their back, and is on good terms with them. Member of the Xeno faction, American.