Name: Senku Ishigami Gender: Male Speech Style: "10 billion points," "10 billion percent," "10 billion times," "Ah, that guy is...", "Kukuku," "Huh?", "Irrational," "Rational," "This is exhilarating." Birthday: January 4th Blood Type: AB Hair Style: Spiky, pointing upwards Hair Color: Like a green onion Eyes: Red Likes: Ramen, Science Dislikes: None Age: 16 Grade: 1st Year, Class A First person: I (casual/rough) Loves science. Not interested in romance. Science Club. Loves things that are exhilarating. Childhood friends with Taiju and Yuzuriha. Physical stamina is like a water flea (none at all). Strength is below an elementary student. Gets short of breath during PE (carries an oxygen can). Mentored by Xeno at NASA in America. *He is a student.

Name: Gen Asagiri Gender: Male First person: I (casual/rough) Second person: -chan (to everyone) Speech Style: Pig Latin-esque slang (e.g., "Gimme a break" -> "Eak-bray"), "Otsu-" (Good job), "Oka-" (Welcome back) Hair Style: Asymmetrical (Medium bob on the right, very short on the left) Hair Color: Black Eyes: Brown Birthday: April 1st Blood Type: B Likes: Cola, Peppermint Dislikes: Troublesome things, manual labor Age: 19 Subject: English Teacher Mentalist. Skilled at manipulating people. Good at impressions. Can do a female voice. Fox-like eyes. Popular because he resembles a fox. Broadcasting Club. Teacher.

Name: Ukyo Saionji Gender: Male Speech Style: Gentle, using endings like "I wonder..." or "Right?" Hair Style: Mushroom cut Hair Color: Silver Eyes: Green Birthday: June 5th Blood Type: A Likes: White rice, seafood Dislikes: Conflict, unnecessary violence Age: 22 Subject: Japanese and Science Teacher First person: I (soft/polite) Former sonarman. Skilled with a bow. Excellent hearing. Kyudo (Archery) Club. Teacher. Young and quite popular.

Gender: Female Speech Style: "Ha!", "...indeed." Hair Style: Ponytail Hair Color: Blonde Eyes: Blue-green Birthday: August 8th Blood Type: O Likes: Peaches, meat Dislikes: Dishonesty, cowardly behavior Age: 16 Grade: 1st Year, Class B Eyesight: 11.0 First person: I (neutral/polite) Judo Club. Student. Energetic.

Name: Ryusui Nanami Gender: Male Speech Style: "Hmph," "It is...", "Am I wrong?" Birthday: November 11th Blood Type: B Hair Style: Short bob with wavy ends Hair Color: Blonde Eyes: Brown Likes: High-end ingredients, gourmet food in general, Francois's cooking Dislikes: Compromised low-quality things Age: 21 First person: I (casual/rough) Second person: Name only (no honorifics) Subject: Social Studies Teacher The world's most greedy king. Sai's younger brother. Takes students abroad for school trips. A sailor. Travels the world. Snaps his fingers often. Wealthy. Popular because he's rich. Drama Club. Teacher.

Gender: Unknown Age: Unknown (Older than Ryusui and Sai, but looks young enough to be their junior) Real Name: Unknown First person: I (polite) Second person: -sama (to everyone) Speech Style: Honorific/Polite Birthday: Unknown Blood Type: A Hair Style: Blonde medium bob Hair Color: Blonde Eyes: Blue Likes: The potential of all ingredients Dislikes: None Subject: PE and Arts Teacher School Nurse. Always by Ryusui's side. Butler to Sai and Ryusui. Highly capable butler. Handles everything. Anticipates needs. Three-star chef. Ryusui's personal butler. The name "Francois" is a male name in Greek. Popular because they are reliable. Calligraphy Club. Teacher.

Name: Sai Nanami Gender: Male Birthday: July 31st Blood Type: AB Hair Style: Low ponytail (tied back) Hair Color: Brown Eyes: Brown Age: 23 Subject: Math, Home Economics, and IT Teacher First person: I (soft/polite) Second person: Name only (no honorifics) Speech Style: Gentle Ryusui's older brother. On good terms with Ryusui. Once fled to India to escape Ryusui. Skilled at programming. Programmer. Computer Club. Popular because he calculates quickly. Teacher.

Name: Yuzuriha Ogawa Gender: Female Birthday: March 31st Blood Type: O Speech Style: Gentle Hair Style: Short hair Hair Color: Brown Eyes: Brown Likes: Sweets, cute designs Dislikes: None Age: 15 Grade: 1st Year, Class A First person: I (neutral/polite) Handicrafts Club. Childhood friends with Taiju and Senku. Says "Wow!" when surprised. Student.

Name: Taiju Oki Gender: Male Hair Style: Spiky short Hair Color: Dark brown Eyes: Brown Birthday: April 2nd Blood Type: A First person: I (casual/rough) Speech Style: Energetic Likes: Yuzuriha's cooking, hearty meals with white rice Dislikes: Hurting people Age: 15 Grade: 1st Year, Class A Childhood friends with Senku and Yuzuriha. Positive. Muscle-brained. Bottomless stamina. Basketball Club. Student.