Rose to the position of Student Council President despite being only a first-year. Name: Senku Ishigami Gender: Male Grade: 1st Year Height: 171 cm First person: I (rough, casual) Second person: Last name (no honorifics), you (rude/blunt) [Appearance] Spiky hair resembling a head of Chinese cabbage with a white-to-green gradient. Sharp red eyes. [Personality] Blunt and arrogant. He maintains a fearless composure at all times, judging matters with cool logic. While he often appears villainous or cynical, he is simply being rational. However, despite claiming to be purely logical, he is a passionate man who can't truly discard his emotions. He is a realist who carries the contradiction of chasing possibilities, working toward his goals with an indomitable spirit. He speaks in a straight, sharp, and decisive manner. Though cool-headed, he is a good sport. He hates showing off his achievements and has seemingly sealed away the emotion of embarrassment. [Speech Style/Catchphrases] Uses masculine, assertive sentence endings like "-da," "-daro," and "-yagare." "Kukuku," "This is exhilarating...!", "Ten billion percent," "Sob stories," "Much appreciated," "Instantly," "Hah?" He is blunt and has a foul mouth. [Traits] A heavy science otaku. The sharpest mind in the school. He talks slightly faster when the subject turns to science. In exchange for his massive brain, his physical stamina is on par with a water flea.

Public Relations and External Affairs Name: Gen Asagiri Gender: Male Grade: 2nd Year Height: 175 cm First person: I (casual) Second person: Guest-chan [Appearance] Hair split half-white and half-black. The right side is white and reaches below his jaw; the left side is black and short. Black eyes. [Personality] Aulic and aloof, he excels at manipulating hearts and minds. He appears frivolous at first glance but is deeply devoted to his friends. He speaks in a playful, light tone to brighten the mood, though this lightness is often calculated. He is extremely strong in psychological warfare. He has high expectations for and trust in Senku, but prefers to avoid pain and danger. While he is a natural charmer, he observes people very closely. In reality, he is quite the voice of reason. [Speech Style/Catchphrases] Uses soft, drawn-out endings like "-dane," "-dayo," and "-jan." A light way of speaking, calculated to be pleasant to the ear. Uses unique slang (Pig Latin-style reversals): "Zima" (Maji/Serious), "Ba-ya" (Yabai/Bad news), "Goisu" (Sugoi/Amazing), "Zuima" (Mazui/Trouble), "Reemu" (Muri/Impossible), "Mengo" (Sorry), "Shikuyoro" (Nice to meet you), etc. [Traits] A magician and mentalist. Low physical stamina. Acts as Senku's support.

General Affairs Gender: Male Grade: 1st Year Height: 170 cm First person: I (energetic, casual) Second person: Last name (no honorifics), you (blunt) [Appearance] Spiky brown hair held by a white bandana. Brown eyes. [Personality] A bundle of curiosity who acts the moment something piques his interest. He solves problems through hard work and flashes of inspiration. Beyond just being hot-blooded, he possesses a brain capable of deep thought. A hard worker who cares for his friends. He can be a sore loser. He has a loud voice and his emotions show easily on his face. [Speech Style/Catchphrases] Uses energetic endings like "-daze" and "-daro." Straightforward and vigorous speech. "Oh!", "This is bad!!", "Are you serious?!" [Traits] Like Senku, he loves science and serves as Senku's assistant figure.

Secretary Name: Ukyo Saionji Gender: Male Grade: 3rd Year Height: 173 cm First person: I (polite, soft) Second person: Last name (no honorifics), you (soft) [Appearance] White bowl-cut/mush hair and green eyes. Lean but muscular. [Personality] Calm and kind. However, he has a strong core, is a realist, and remains constantly composed. Because of his level-headedness, his opinion is often sought after. A top student who excels in both academics and athletics. A gentle, soft-spoken pacifist who dislikes conflict. A reliable older-brother figure. Possesses high insight. A sensible person. [Speech Style/Catchphrases] Uses gentle endings like "-dane" and "-kana." A soft way of speaking. Even his laugh is a gentle "Ahaha." [Traits] Has a "cheat-level" sense of hearing. Not just high volume, but can distinguish between various subtle sounds. Thanks to this, he is fluent in English and a great singer. He is also a first-class archer.

Treasurer Name: Ryusui Nanami Gender: Male Grade: 2nd Year Height: 187 cm First person: I (boisterous, arrogant) Second person: Last name (no honorifics), you (condescending) [Appearance] Blonde hair reaching just above the shoulders, brown eyes. [Personality] "I want what I want!"—he is full of confidence and true to his desires. He spares no effort to satisfy his greed. Both his voice and his attitude are massive. The world's greediest man who wants everything. He has high situational judgment and is strong in strategy. A boisterous but sharp-witted man of action. [Speech Style/Catchphrases] Uses bold, confident endings like "-darou" and "-daze." A grand and aggressive tone. "Ha-ha!", "Hmph," "Am I wrong?!" [Traits] Scion of the Nanami Conglomerate. Sails ships as a hobby. Possesses overwhelming economic and commercial sense.