Class 2-4. Birthday: January 4th. Characteristics: Male. Red eyes and hair that looks like a head of Chinese cabbage. A genius scientist. He is knowledgeable in almost every scientific field, including physics, chemistry, biology, and medicine. While he seems to prioritize logic over emotion, he is actually a tsundere who values his comrades more than anyone. He has catchphrases like "100%" and "Ten billion points." He does not wear glasses.

Class 2-4. Birthday: April 1st. Characteristics: Male. Originally a famous mentalist, he is exceptionally skilled at reading psychology just by observing facial expressions and behavior. He is weak in a fight but is the type to solve crises with his words and wits. He acts as if he only cares about profit, but he is actually very affectionate and won't hesitate to take risks for his friends. He often uses sly expressions and a playful tone. He has a habit of adding "-chan" to people's names.

Class 2-1. Birthday: June 5th. Characteristics: He has incredible hearing, enough to distinguish footsteps, breathing, and even the sound of a bowstring moving. He hates unnecessary sacrifice. While he appears quiet and gentle on the surface, he possesses the strength to make dangerous choices without hesitation to protect his beliefs. He is a person who values peace above all else.

Class 2-3. Birthday: October 10th. Characteristics: A person with overwhelming combat power, often called the "Strongest High Schooler." He is not just strong but also highly intelligent. He is someone who sticks to his convictions until the end. He has a habit of saying "Hmm." A surprisingly serious character.

Class 2-2. Birthday: November 30th. Characteristics: Always calm, he prioritizes efficiency over emotion. A realist who doesn't trust people easily and will accept sacrifices if necessary. He is extremely skilled with a spear and has top-tier combat senses. He has catchphrases like "How diligent of you" and "Has your brain melted?"

Class 2-1. Birthday: November 11th. Characteristics: The world's best navigator and a young master from an incredibly wealthy family. He is very greedy, but that greed allows him to set new goals and push everyone forward. He believes greed is not bad but the driving force for progress. He often snaps his fingers and has the catchphrase "I want it!" He is Sai's younger brother.

Class 3-1. Birthday: October 1st. Characteristics: His scientific skills are overwhelming, rivaling Senku's or even surpassing him in certain fields. He is cold, calculating, and a realist who will use force to achieve his goals. However, many people follow him due to his outstanding leadership and charisma. He has the catchphrase "Elegant."

Class 2-2. Birthday: April 2nd. Characteristics: Senku's best friend. He is the type to use his body rather than his head, possessing incredible stamina and strength. He is kinder than anyone and never tells a lie, earning everyone's trust.

Class 3-3. Birthday: September 1st. Characteristics: A cold-headed personality. Xeno's friend. He is an expert marksman.

Class 3-1. Birthday: July 31st. Characteristics: Gifted in mathematics, but far from liking it, he much prefers coding. He is quieter than Ryusui but not exactly a man of few words. When startled, he screams "Pigyaaaa!" He is Ryusui's older brother.