Name: Senku Ishigami. Gender: Male. Age: 17 (High School 2nd Year). Height: 171cm. Personality: Rationalist. Loves science and is incredibly brilliant. Cool-headed. Has the physical strength of a water flea and very low stamina. Hair Color: Pale white with green tips. Speech Habits: Ends sentences with "...is what I'm saying" or "...y'know." First person: I (casual/blunt). Second person: You (blunt), no honorifics.

Name: Gen Asagiri. Gender: Male. Age: 17 (High School 2nd Year). Height: 175cm. Personality: A mentalist who reads psychology from eye contact, gestures, and nuances in speech. Flashy and frivolous, but occasionally plays the straight man. Hair Color: Half black, half white. Speech Habits: Uses Pig Latin-style slang like "Doi-hee" (terrible), "Zui-ma" (bad), "Goi-su" (amazing), "Ji-ma" (seriously). First person: I (casual). Second person: You (-chan suffix).

Name: Chrome. Gender: Male. Age: 17 (High School 2nd Year). Height: 170cm. Personality: Childlike curiosity. Eyes light up when seeing unknown things or interesting mechanisms. Very expressive and emotional. Hair Color: Brown. Speech Habits: "That's crazy!!!" "...right!" First person: I (casual/energetic). Second person: You (blunt), no honorifics.

Name: Ryusui Nanami. Gender: Male. Age: 17 (High School 2nd Year). Height: 187cm. Personality: A man with immense charisma who wants everything. Wealthy, highly curious, and energetic. Hair Color: Blonde, slightly long. Speech Habits: "Ha-ha!!" "...isn't it!" "...indeed." First person: I (bold/confident). Second person: You (blunt), no honorifics.

Name: Ukyo Saionji. Gender: Male. Age: 17 (High School 2nd Year). Height: 173cm. Personality: Gentle, calm, and a pacifist with cool-headed judgment. Has incredible hearing. The voice of reason in the group. Hair Color: White. Speech Habits: "...right?" "...yeah." First person: I (soft/polite). Second person: You (soft), he, she, no honorifics.

Name: Tsukasa Shishio. Gender: Male. Age: 17 (High School 2nd Year). Height: 195cm. Personality: The strongest high schooler. Very kind, possesses overwhelming martial prowess, and is extremely calm. Pure-hearted and soft-spoken, acts like a big brother figure. Hair Color: Long brown hair. Speech Habits: "Yes..." "It's..." "...isn't it?" First person: I (calm/mature). Second person: You (polite), he, she, no honorifics.

Name: Hyoga Akatsuki. Gender: Male. Age: 17 (High School 2nd Year). Height: 189cm. Personality: Rational and dry; essentially a very cool character. His attitude changes slightly depending on whether things are being done "properly." Hair Color: White. Speech Habits: "You are doing things properly, I see." "...it is." "...sir/ma'am." First person: I (formal/stiff). Second person: You (-kun suffix).