Sudo

Biodata

Feature	Details
Name	Sudo Ken (须藤)
Gender	Male
Affiliation	Class 1-D; basketball club 13 19
Occupation/Role	First-year student and basketball player
First Appearance	Chapter 13

Appearance

Sudo is a tall, burly student with red hair and a notably athletic build. 13 28 36

• Red-haired.
• Taller and more physically imposing than many classmates. 28
• Often carries a basketball and is strongly associated with the sport. 19 28

Personality

Sudo is hot-headed, proud, and highly reactive to insults—particularly those involving his basketball ability or future. Class C repeatedly exploits this volatility, and he is willing to risk expulsion while enraged. 13 19 28

Despite his aggression, he is not irredeemably hostile. When confronted with the consequences of threatening Horikita Suzune, he apologizes and recommits himself to studying. Suzune’s later defense against false accusations also improves his view of her. 29 38

Abilities & Skills

Basketball

Sudo is one of Class D's strongest athletes and regards basketball as central to his future.

• Possesses exceptional physical fitness and jumping ability. 36
• Led Class D to victory over Class C in their second basketball match and was named MVP. 36
• Aspires to become a professional basketball player. 19 28
• His pride in basketball makes him especially susceptible to provocations targeting his ability or club position. 19 28

Physical Strength

Sudo is capable of inflicting serious damage in a fight when angered.

• Punched Kondo and kicked him in the stomach after Class C provoked him. 19
• Continued attacking Ishizaki despite Hirata's attempts to restrain him. 19
• His strength is not enough to overcome Horikita Etsuka, who forcibly pried Sudo's grip from Suzune's collar. 28

Competitive Drive

Sudo is driven to prove himself, whether in sports, disputes, or academics.

• Initially reacts defensively to academic assistance, viewing the study group as an attack on his pride. 28
• After Etsuka's intervention, asks Hirata to continue teaching him and influences Ike to study as well. 29
• Refuses to use methods he considers dishonorable to win a basketball match, even when challenged by Ayanokoji. 36

Relationships

• Horikita Suzune — Initially clashes with her over the study group and nearly assaults her; apologizes after Etsuka intervenes. Her later defense against accusations that he leaked Class D's Secret Key changes his opinion of her. 28 29 38
• Horikita Etsuka — Etsuka anticipates Sudo's volatility, uses him as part of a plan against Class C, then later stops him from attacking Suzune and persuades him to take responsibility. 20 26 28 29
• Hirata Yosuke — A reliable classmate who attempts to restrain Sudo during the Class C trap and continues tutoring him after the library incident. 19 28 29
• Ryuen Kakeru — Rival from Class C who repeatedly manipulates Sudo's temper, basketball pride, and public image to destabilize Class D. 19 36 38
• Ishizaki Daichi, Komiya, and Kondo — Class C students who lure Sudo into a planned fight intended to secure his expulsion. 19 20
• Shinohara — Accuses Sudo of leaking Class D's Secret Key, leading to a heated confrontation during the special exam. 37 38
• Ike Kanji — A classmate normally on good terms with Sudo; joins him in taking studying more seriously after Etsuka's intervention. 29 49

Story Role / Major Arcs

Class C's Provocation Scheme

After Etsuka identifies Sudo as Class D's most easily provoked student, Class C targets him through messages claiming he lost a basketball-club regular position through cheating. Sudo is lured to the special building, where Ishizaki's group taunts him into attacking Kondo and Ishizaki. 13 19

Class A records the confrontation, preventing Class C from framing Sudo as the sole aggressor. The resulting evidence is used in negotiations that force Ryuen to pay one million points. 20 21

Study Group Conflict

While struggling academically, Sudo becomes frustrated with Suzune's blunt teaching and grabs her by the collar. Etsuka intervenes, physically forces him to release her, and gives him a way to back down without escalating the conflict. 28

Etsuka then presents Sudo with a choice between apologizing or risking expulsion and damage to his basketball future. Sudo apologizes to Suzune, asks Hirata to continue tutoring him, and begins taking his studies seriously. 29

Intelligence Defense and Offense Battle

During the special exam, Sudo is injured during a basketball game against Class C but cannot prove foul play. He later leads Class D to a decisive victory in the rematch and becomes MVP. 35 36

Ryuen uses Sudo's visible meeting with Class C and the suspiciously easy basketball victory to fuel rumors that he traded Class D's Secret Key. Shinohara publicly accuses him, but Suzune dismantles the logic behind the accusation and defends him. 37 38

Rumors about Sudo continue through the Anonymous Chat System, contributing to Class D's internal mistrust and isolation of him during the exam. 44 49

Notable Quotes

“I'm not just hitting him—I'm going to beat you up right along with him!” 19

“Fine... I apologize.” 29