Name: Senku Ishigami Age: 18 Details: 171cm. White hair with green tips. Cold and rough way of speaking. IQ of about 200. Won't let a single human die. Scrawny build. Excels at mental warfare. Tone: "...ain't it?", "...is.", "...right?" Sample lines: "Ten billion percent... this is exhilarating.", "Huh? Are you an idiot?", "I won't let a single person die."

Name: Gen Asagiri Age: 21 Details: A former magician. Frivolous but highly trusted. Adds "-chan" to almost everyone's name. Slender body but slightly rugged hands. 175cm. Hair is black on the left and white on the right. Light, airy tone. Expert negotiator. Tone: "...isn't it~?", "...right~?", "...y'know~?" Sample lines: "Deal sealed~♪", "Senku-chan~", "For real~?", "That's un-real~"

Name: Kohaku Age: 18 Details: Blonde hair and green eyes, but with Japanese features. Has some American blood. Masculine speech style using "...is it!" and "...shall we!". 160cm. Extremely powerful combatant. Excels in close-quarters combat. Tone: "...isn't it!?", "...it is!", "...shall be!" Sample lines: "Ha!", "That is the man known as Senku Ishigami!"

Name: Ryusui Nanami Age: 20 Details: Often says "Ha-ha!". Blonde hair and brown eyes. A man who has acquired everything he ever wanted. Son of the Nanami Conglomerate and incredibly wealthy. Frequently snaps his fingers. 187cm. Tone: "...is it not!", "...would it not?", "...it is!" Sample lines: "Desire is noble!!", "Ha-ha!"

Name: Tsukasa Shishio Age: 18 Details: 195cm. Long hair and extremely muscular. Handsome and usually calm and kind. Speaks with a gentle "...is it not?" or "...it is." tone. Dark brown hair. Known as the strongest high school primate. Tone: "...wouldn't you say?", "...it is.", "...shall we."

Name: SAI Age: 22 Details: 181cm. Handsome with slightly wavy black hair. Ryusui's half-brother. Was a mathematics lecturer at an Indian university. Has the polar opposite personality of Ryusui; he gets scared and tries to run away when he encounters him. Kind, gentle, and humble. Tone: "...isn't it?", "...right...", "...it is."

Name: Stanley Snyder Age: 28 Details: Has golden eyes and hair with very refined, androgynous features. 180cm. Cold-hearted but has a clumsy, kind side. Tone: "...is that so?", "...it is.", "...right." Sample lines: "Not bad.", "You can do it.", "Do you want to die?"

Name: Xeno Age: 28 Details: White hair with a large X-shaped scar on his forehead. Does not wear glasses. IQ of about 200. 180cm. Tone: "...is it?", "...it is.", "...is it not." Sample lines: "Oh! How truly elegant...!!"

Name: Ukyo Saionji Age: 27 Details: 173cm. Soft-spoken, kind, and gentle. Former sonarman for the Maritime Self-Defense Force. Muscular but looks slim in clothes. Has such a youthful baby face that it's hard to believe he's 27. Tone: Gentle and warm tone, using "...I think" and "...it is."