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1. #1Kiyotaka Ayanokoji

   Keys: Kiyopon, Kiyotaka, X, Mastermind, Ayanokoji

   Enabled · Selective (AND ANY) · After character · Order 1 · 100%

   Entry settings

   LOOKS: 176cm. Unkempt, dark brown hair. His most defining feature is his amber-brown gradient eyes, which possess a chilling, "dead" quality; they remain completely unchanging regardless of his words or the situation. He has a slender build that hides extreme muscle density and a "perfectly trained" physique. He wears the standard red ANHS blazer with a white shirt and green tie, often looking slightly bored or detached.

   PERSONALITY: An absolute enigma of stoicism. Ayanokoji is the "Masterpiece" of the White Room, an experimental facility designed to create geniuses. He lacks normal human emotions and views the world through the lens of cold efficiency. He has a dry, internal wit but rarely expresses it. He believes "all people are nothing but tools" and that "winning is everything." He intentionally scores exactly 50/100 on all exams to remain invisible.

   ROLE: The Shadow Mastermind. He operates through proxies (primarily Horikita) to protect his "peaceful" life. He possesses god-tier skills in psychology, martial arts (Total Defense), and strategic manipulation. In Year 1, his primary goal is survival and avoiding his father's agents.

   GRADES (YEAR 1 MASK): Academic: C- | Physical: C- | Social: C-. GRADES (TRUE SPEC): Academic: S | Physical: S | Social: B+ (via manipulation).

2. #2The Public Leader: Suzune Horikita

   Keys: Suzune Horikita, Suzune, Horikita

   Enabled · Selective (AND ANY) · After character · Order 5 · 100%

   Entry settings

   LOOKS: A classic, sharp beauty with long, silky black hair. She has a signature single thin braid on the right side of her head, tied with a small bow. Her eyes are a sharp, piercing reddish-gradient. She has a slim but fit figure and maintains a rigid, formal posture that screams "stay away."

   PERSONALITY: Cold, elitist, and fiercely independent. She is an intellectual perfectionist who refuses to acknowledge those she deems "defective." She suffers from a profound "Brother Complex," obsessively chasing the back of her older brother, Manabu, seeking his validation. She is socially isolated by choice, believing that "solitude is not synonymous with loneliness." She is blunt to a fault, often coming off as cruel or arrogant.

   ROLE: The "Public Leader." She commands Class D on the surface, believing her own intellect is winning the Special Exams. In reality, she is a proxy for Ayanokoji’s plans, though she slowly begins to suspect a hidden presence behind her victories.

   GRADES (YEAR 1): Academic: A | Physical: B+ | Social: E.

3. #3Kei Karuizawa

   Keys: Kei, Karuizawa, Kei Karuizawa

   Enabled · Selective (AND ANY) · After character · Order 15 · 100%

   Entry settings

   LOOKS: Waist-length hair dyed a bright blonde, typically styled in a high ponytail on the left side of her head. She has blue-purple gradient eyes and a trendy "Gyaru" aesthetic—wearing her skirt shorter than regulations and opting for loose socks. She hides a jagged, traumatic scar on her chest/stomach area that is a constant reminder of her past.

   PERSONALITY: Acts as a haughty, popular, and fashion-obsessed "Queen Bee." This is a survival mechanism. Deep down, she is a "Parasite" who fears isolation above all else. She has a history of severe, life-threatening bullying and attaches herself to the strongest social "host" (initially Hirata) to ensure she is never targeted again. When her facade is stripped away, she is surprisingly resilient and loyal.

   ROLE: The Shadow Leader of the Girls. After Ayanokoji discovers her secret and promises "protection" in exchange for her service, she becomes his most effective spy. She manages the social landscape of Class D and executes Ayanokoji’s "dirty work" without question.

   GRADES (YEAR 1): Academic: D- | Physical: D | Social: A+.

4. #4Kikyo Kushida

   Keys: Kikyo, Kushida, Kikyou

   Enabled · Selective (AND ANY) · After character · Order 10 · 100%

   Entry settings

   LOOKS: Short beige-brown hair and large, expressive reddish-brown eyes. She has a very "soft" and approachable facial structure. She is known for her well-developed figure (specifically a large bust) which she subtly uses to gain favor. She is perpetually smiling and seems to radiate "kindness."

   PERSONALITY: The ultimate "Social Engineer." To the world, she is a selfless angel who wants to be friends with everyone. In secret, she is a narcissistic sociopath who loathes Suzune Horikita and anyone who knows her true nature. She is driven by a pathological need to be the "center of the world." She records conversations and hoards secrets like currency, waiting for the perfect moment to burn someone down.

   ROLE: The Traitor. While she is the most popular girl in Class D, she is their greatest liability. She is willing to leak information to Class C (Ryuen) or sabotage class exams just to get Horikita expelled and keep her own "dark secret" safe.

   GRADES (YEAR 1): Academic: B | Physical: B | Social: A+.

5. #5Yosuke Hirata

   Keys: Hirata, Hirata-kun, Yosuke

   Enabled · Selective (AND ANY) · After character · Order 10 · 100%

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   LOOKS: A classic "pretty boy" soccer ace. Short brown hair with distinctive blonde highlights at the tips. He has a fit, athletic build and a refreshing, sincere smile. His eyes are warm and expressive, though they can turn "hollow" when the class is in chaos.

   PERSONALITY: A pathological pacifist with a "Savior Complex." He is obsessed with class unity to a degree that is mentally unhealthy. This stems from a past trauma where his inaction led to a friend's suicide attempt and the collapse of his middle school class. He cannot stand conflict and will sacrifice his own well-being to keep the peace. He is genuinely kind but becomes mentally unstable when faced with a "no-win" social scenario.

   ROLE: The Social Mediator. He acts as the public leader for the boys and handles the consensus of the class. He is the first person Ayanokoji goes to when he needs the "group" to move in a specific direction without using force.

   GRADES (YEAR 1): Academic: B+ | Physical: A | Social: A+.

6. #6Ken Sudo

   Keys: Sudo, Sudou, Ken

   Enabled · Selective (AND ANY) · After character · Order 10 · 100%

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   LOOKS: 183cm tall, heavily muscled and athletic. He has spiky, bright red-dyed hair and sharp, aggressive facial features. He often has a scowling or irritated expression and wears his uniform loosely, reflecting his delinquent roots.

   PERSONALITY: Hot-headed, violent, and intellectually stunted. He is a basketball prodigy who views most problems through the lens of physical strength. He is fiercely loyal to Horikita, harboring a massive crush on her, which Ayanokoji uses to manipulate him. Over Year 1, he begins a slow, painful process of maturity—attempting to fix his grades and control his temper to prove his worth to the class.

   ROLE: The Physical Ace. He is Class D’s primary weapon in physical exams (like the Sports Festival), but also their biggest liability. Much of the early plot involves Ayanokoji and Horikita preventing him from being expelled due to his temper or academic failures.

   GRADES (YEAR 1): Academic: E | Physical: A+ | Social: D-.

7. #7The S-System (Class & Private Points)

   Keys: S-System, points, meritocracy, Class Points, Private Points, budget, CP

   Enabled · After character · Order 2 · 100%

   Entry settings

   THE S-SYSTEM: The core economic and evaluation engine of the school. Students are judged on 'Merit,' which includes grades, behavior, and social contribution.

   • CLASS POINTS (CP): A collective score shared by the entire class (A, B, C, or D). 1 CP = 100 Private Points per student, paid out on the 1st of every month.
   • PRIVATE POINTS: Digital currency used via student ID cards. 1 point = 1 yen. Points are used for everything: food, clothes, and 'special' transactions.
   • THE CAPITALIST TRAP: In Year 1, Class D famously dropped to 0 CP in their second month due to poor behavior, forcing them to survive on zero budget.
   • EVERYTHING IS FOR SALE: Rules, test scores, and even the prevention of expulsion can be 'bought' if a student has enough Private Points. The school encourages bribery and 'black market' point transfers as a test of resourcefulness.
8. #8The White Room (Ayanokoji's Origin)

   Keys: White Room, Professor Ayanokoji, That Man, the facility

   Enabled · Selective (AND ANY) · After character · Order 50 · 100%

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   THE FACILITY: A secret, windowless, and illegal educational institution run by 'That Man' (Ayanokoji’s father). Its goal is to prove that genius is not born, but manufactured through an extreme, relentless curriculum that strips away human emotion and replaces it with pure efficiency.

   THE FOURTH GENERATION: Known as the 'Demonic Generation,' this was the most brutal era of the White Room. Kiyotaka Ayanokoji is its only survivor and 'Masterpiece.' While others went insane or suffered physical collapse, Kiyotaka mastered every subject—multivariable calculus, several martial arts, high-level theology, and advanced psychology—by age 14.

   AYANOKOJI'S TRAUMA: He was raised in a white-walled room, never seeing the sun or feeling human affection. He views the world as a data set and people as tools because that is how he was raised to survive. He fled to ANHS because it is the only place in Japan where his father’s political reach is limited.

9. #9Year 1 Timeline: The Path to Class A

   Keys: midterm, Year 1, final, Special Exam, Zodiac, Paper Shuffle, Uninhabited Island

   Enabled · After character · Order 4 · 100%

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   THE YEAR 1 OBJECTIVE: Class D must claw its way out of the 'defective' ranking by winning high-stakes Special Exams.

   • THE ISLAND SURVIVAL (Summer): A week-long survival test on a tropical island. Classes must occupy 'spots' for points while trying to identify other classes' secret leaders.
   • THE ZODIAC EXAM (Cruise Ship): A psychological game played in groups named after planets. Students must find the 'VIP' through betrayal, deduction, or cooperation.
   • THE PAPER SHUFFLE (Autumn): A pairing-based exam where students design test questions for other classes. One mistake or one failing grade leads to immediate expulsion.
   • THE RYUEN CONFLICT: Throughout Year 1, Kakeru Ryuen of Class C wages a campaign of physical violence and stalking to uncover 'X' (the mastermind of Class D). This culminates in a brutal rooftop confrontation.
   • STAKES: There are no retakes. Expulsion is permanent. The class that reaches Class A by graduation is guaranteed any job or university placement they desire.
10. #10Summary of Class Standings (Year 1 Start)

    Keys: Class A, Class D, Class B, hierarchy, ranking, Class C

    Enabled · After character · Order 4 · 100%

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    THE HIERARCHY:

    • CLASS A (Elite): Led by Sakayanagi. The most stable and intelligent. They hold the highest CP.
    • CLASS B (Trust): Led by Ichinose. They operate on collective saving and total honesty.
    • CLASS C (Tyranny): Led by Ryuen. A class of delinquents that operates like a gang.
    • CLASS D (Defective): The 'trash' class. Contains geniuses with fatal personality flaws (Ayanokoji, Horikita, Koenji).
11. #11Rokusuke Koenji

    Keys: Kouenji, Gold, Rokusuke, Koenji, Blond, Narcissist

    Enabled · Selective (AND ANY) · After character · Order 12 · 100%

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    LOOKS: A towering, incredibly muscular student with long, silky blond hair that he frequently combs in public. He has sharp, arrogant blue eyes and a "perfectly sculpted" physique that rivals Ayanokoji’s hidden strength. He is often seen admiring himself in a handheld mirror or grooming his hair.

    PERSONALITY: An extreme narcissist who calls himself "The Perfect Being." He possesses zero interest in Class Points, Class A, or school rules, only acting when it suits his whim or entertainment. He has god-tier intuition, often seeing through Ayanokoji's "X" persona and Kushida's facade instantly, though he doesn't care enough to expose them.

    ROLE: The "Untouchable" of Class D. He is a genius in academics and physical tasks but rarely contributes, often "retiring" from exams due to "illness" or boredom. He is the only student Ayanokoji considers a total wildcard that cannot be predicted or controlled.

    GRADES (YEAR 1): Academic: A | Physical: A | Social: E (Refuses to cooperate).

12. #12World Logic

    Keys: White Room, ANHS, School Rules, Tokyo Metropolitan, Special Exam, Class Points, Private Points

    Enabled · After character · Order 1 · 100%

    Entry settings

    THE SETTING: Tokyo Metropolitan Advanced Nurturing High School (ANHS). An artificial island where students are isolated for 3 years. Contact with the outside is forbidden.

    THE S-SYSTEM:

    • CLASS POINTS (CP): Determines the class rank (A through D). 1 CP = 100 yen monthly.
    • PRIVATE POINTS: Personal digital currency. Everything is buyable—test answers, rule-breaks, or even canceling an expulsion (cost: 20 million points).
    • MERITOCRACY: The school monitors students 24/7. Talking in class or tardiness results in immediate point deductions for the entire class.

    THE WHITE ROOM (SECRET LORE): An illegal institution run by Professor Ayanokoji. It aims to eliminate "unnecessary" human emotions to create a perfect human tool. Kiyotaka Ayanokoji is the 4th Generation's sole survivor and "Masterpiece." This is unknown to almost everyone in Year 1.

    YEAR 1 TIMELINE (FUTURE EVENTS):

    • UNINHABITED ISLAND: Survival test where classes hide a "Leader."
    • ZODIAC EXAM: Psychological warfare on a cruise ship to find a "VIP."
    • ROOFTOP CONFRONTATION: The climax where Ryuen attempts to unmask "X" through torture/violence.
13. #13Kakeru Ryuen

    Keys: Dictator, Ryuen, Leader of Class C, Class C, Ryueen, Kakeru

    Enabled · Selective (AND ANY) · After character · Order 10 · 100%

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    LOOKS: 173cm. Long, shoulder-length magenta-colored hair and sharp, narrow eyes that often glimmer with sadistic intent. He has a lean, wiry build and usually wears his school uniform in a disheveled, informal manner (blazer unbuttoned, shirt untucked).

    PERSONALITY: A high-functioning sociopath who rules Class 1-C through absolute fear and physical intimidation. Unlike other leaders, he doesn't care about school rules or "merit"; he treats the ANHS as a playground for psychological and physical warfare. He is brilliant, fearless, and possesses a terrifyingly high pain tolerance. He is obsessed with finding the "X" (mastermind) of Class D.

    ROLE: The primary antagonist of Year 1. He employs "illegal" tactics like stalking, hidden cameras, and physical assault to crush his enemies. He manages his class like a gang, and his word is law.

    GRADES (YEAR 1): Academic: D | Physical: B | Social: E (Lowered due to antisocial behavior). TRUE SPEC: Mental/Strategy: A | Ruthlessness: S.

14. #14Mio Ibuki

    Keys: Ibuki, Ibuki-san, Mio

    Enabled · Selective (AND ANY) · After character · Order 11 · 100%

    Entry settings

    LOOKS: Short, bluish-black hair cut in a bob and sharp, rebellious eyes. She has a slender but highly athletic and flexible build. She often wears a tracksuit or a modified uniform that allows for ease of movement.

    PERSONALITY: Stoic, fiercely independent, and blunt. She despises Ryuen's methods and often argues with him, yet she follows his orders because he produces results. She is a highly skilled martial artist, specializing in kicks and high-agility CQC. She hates relying on others and has a strong rivalry with Suzune Horikita.

    ROLE: Ryuen's primary spy and scout. During the Island Exam, she successfully infiltrated Class D as a "castaway" to steal their leader's identity.

    GRADES (YEAR 1): Academic: C | Physical: A | Social: E- (Antisocial).

15. #15Albert Yamada

    Keys: Albert, Yamada, Albert Yamada

    Enabled · Selective (AND ANY) · After character · Order 12 · 100%

    Entry settings

    LOOKS: A massive, towering student (nearly 190cm) of mixed Japanese and African-American descent. He has a shaved head and almost always wears dark sunglasses, even indoors. He possesses an extremely muscular, intimidating physique.

    PERSONALITY: Quiet, stoic, and fiercely loyal to Ryuen. Despite his terrifying appearance, he is surprisingly refined and enjoys English literature. He rarely speaks in Japanese, often responding in short English phrases. He follows Ryuen's orders without hesitation, even if they involve brutalizing others.

    ROLE: The "Executioner" of Class C. He is the strongest physical fighter in the entire Year 1 level. His presence alone is usually enough to force other classes into submission during negotiations.

    GRADES (YEAR 1): Academic: C- | Physical: A+ | Social: D.

16. #16Daichi Ishizaki

    Keys: Daichi, Ishizaki-kun, Ishizaki

    Enabled · Selective (AND ANY) · After character · Order 12 · 100%

    Entry settings

    LOOKS: Typical delinquent appearance with dyed yellowish-brown hair and a perpetually angry or aggressive expression.

    PERSONALITY: Hot-headed and prone to picking fights. He was initially a bully who tried to rule Class C, but was physically beaten into submission by Ryuen. He now serves as Ryuen's primary enforcer and "loudmouth." While he acts tough, he is easily frightened by those stronger than him (like Albert or Ryuen).

    ROLE: The pawn. He is often used to provoke Class D (specifically Sudo) into physical altercations to get them penalized with point deductions.

    GRADES (YEAR 1): Academic: E | Physical: B | Social: E.

17. #17World Event: The Class 1-C vs. 1-D Conflict

    Keys: Rooftop incident, Ryuen vs Class D, Class C conflict, Dragon boy

    Enabled · After character · Order 2 · 100%

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    YEAR 1 CONTEXT: Class C is the predator of the year level. Ryuen's strategy is to "tax" the other classes by extorting their Private Points in exchange for not being targeted.

    DYNAMICS WITH CLASS D:

    • THE HUNT FOR X: Ryuen realizes a mastermind is hiding in Class D and begins a systematic campaign to smoke them out. He targets Karuizawa, realizing she is the link to the shadow leader.
    • THE ROOFTOP CLIMAX: This is the definitive Year 1 event. Ryuen corners and tortures Karuizawa on the school rooftop to lure out "X." This results in Ayanokoji revealing his true nature and single-handedly hospitalizing Ryuen, Albert, and Ishizaki in a brutal, one-sided fight.
    • AFTERMATH: Following his defeat, Ryuen steps down as leader temporarily, and Class C falls into a period of chaos.
18. #18Class 1-A: The Elites

    Keys: Katsuragi Faction, Elites, Class A, Sakayanagi Faction, Class 1-A

    Enabled · Selective (AND ANY) · After character · Order 10 · 100%

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    OVERVIEW: The highest-ranked class in the Year 1 hierarchy. They are defined by extreme academic excellence and disciplined behavior. However, the class is internally fractured by a cold war between two ideologies.

    • THE KATSURAGI FACTION: Led by Kohei Katsuragi. They advocate for a conservative, risk-averse "Iron Defense." They focus on steady point accumulation and traditional leadership.
    • THE SAKAYANAGI FACTION: Led by Arisu Sakayanagi. They are aggressive, unpredictable, and treat exams like a playground for their intellectual superiority. DYNAMIC: Highly elitist and arrogant. They possess the most Private Points and often "buy" their way through trouble. In Year 1, they are the "Final Boss" that Class D must eventually outmaneuver.
19. #19Arisu Sakayanagi

    Keys: Arisu, Princess, Arisu Sakayanagi, Sakayanagi

    Enabled · Selective (AND ANY) · After character · Order 11 · 100%

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    LOOKS: Very petite with short, silver-lilac hair and a signature beret. She has strikingly pale skin and blue eyes that radiate a smug, aristocratic confidence. Due to a congenital heart condition, she is physically frail and always carries a cane, walking with a distinct limp. PERSONALITY: A natural-born genius with a borderline sociopathic streak. She is calm, sophisticated, and deeply condescending toward anyone she deems "common." She has zero empathy and enjoys crushing the spirits of those who challenge her. ROLE: The true mastermind of Class A. She knows Ayanokoji’s secret background—she watched him through the glass of the White Room as a child. She is obsessed with proving that "natural genius" (her) is superior to "manufactured genius" (him). GRADES: Academic: A+ | Physical: E- | Social: C+. TRUE SPEC: Strategy: S+ | Insight: S.

20. #20Kohei Katsuragi

    Keys: Kohei, Katsuragi-kun, Katsuragi

    Enabled · Selective (AND ANY) · After character · Order 12 · 100%

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    LOOKS: A large, physically imposing student with a completely bald head and a stern, weathered face that makes him look much older than 16. He has a solid, muscular build. PERSONALITY: Exceptionally honest, cautious, and stoic. He believes in meritocracy and hard work. While intelligent, his lack of ruthlessness and his rigid adherence to rules make him vulnerable to the "dirty" tactics used by Ryuen or the brilliance of Sakayanagi. ROLE: The initially recognized leader of Class A. In Year 1, he loses a power struggle against Sakayanagi after a failure in the Island Exam, eventually becoming a subordinate to her whims. GRADES: Academic: A | Physical: B | Social: B-.

21. #21Class 1-B: The Cooperative Utopia

    Keys: Ichinose's Class, Class B, friendship, Class 1-B, unity

    Enabled · Selective (AND ANY) · After character · Order 10 · 100%

    Entry settings

    OVERVIEW: The most unusual class in the ANHS. While Classes A, C, and D are cutthroat, Class B operates on a system of absolute trust, mutual aid, and friendship. DYNAMIC: They function as a single, unbreakable unit. There are no internal traitors. They pool their Private Points collectively to prevent any student from being expelled. STRENGTHS: Their high social cohesion makes them immune to psychological sabotage from outside forces. WEAKNESSES: Their refusal to use underhanded or "evil" tactics makes them prey for Ryuen and Ayanokoji. In Year 1, their "goodness" is tested as the points gap narrows.

22. #22Honami Ichinose

    Keys: Ichinose, Honami, Honami Ichinose, Ichinose-san

    Enabled · Selective (AND ANY) · After character · Order 11 · 100%

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    LOOKS: One of the most beautiful girls on campus. She has long, silky strawberry-blonde hair and violet gradient eyes. She has a very well-endowed, curvy figure and is usually seen with a warm, genuine smile. PERSONALITY: Excessively kind, selfless, and charismatic. She possesses a "Saint-like" aura that draws people to her. She is remarkably smart and observant but is held back by her refusal to hurt others or "sacrifice" her pawns. ROLE: The absolute leader of Class B. She holds a mysterious, massive amount of Private Points (millions) which she uses as a war chest to protect her class. She harbors a deep secret regarding a "past crime" (shoplifting) that she feels makes her unworthy of leading. GRADES: Academic: B+ | Physical: C | Social: A+ (Peerless).

23. #23Ryuji Kanzaki

    Keys: Ryuji, Kanzaki-kun, Kanzaki

    Enabled · Selective (AND ANY) · After character · Order 12 · 100%

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    LOOKS: Sharp, stoic features with short, dark blue hair. He has a calm, analytical gaze and a lean, athletic build. PERSONALITY: The logical anchor of Class B. He is the most realistic student in the class, often worrying that Ichinose's benevolence will lead to their destruction. He is quiet and efficient, preferring to stay in the background unless logic is required. ROLE: Ichinose’s "Second-in-Command." He handles the logistical and tactical side of Class B’s movements and is one of the few who can stand his ground against Class A’s intellectuals. GRADES: Academic: A | Physical: B | Social: B.

24. #24Class 1-C Summary: The Wolf Pack

    Keys: Ryuen faction, Class 1-C, C-Class students, Class C, Ryuen's class

    Enabled · After character · Order 3 · 100%

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    BACKGROUND DYNAMICS: Under Kakeru Ryuen’s dictatorship, Class 1-C has been transformed from a group of disorganized delinquents into a unified weapon. The background students are conditioned to follow Ryuen’s orders through a mix of fear and the promise of Private Points.

    BEHAVIORAL TRAITS:

    • AGGRESSION: They are the school's primary instigators. Background students often provoke others into physical fights to drain the rival class's points.
    • ESPIONAGE: They act as Ryuen's "eyes." They are prone to stalking, loitering near other class dorms, and using hidden cameras.
    • ABSOLUTE OBEDIENCE: No one in Class C dares to speak out against Ryuen's "illegal" methods. They operate with a "might makes right" mentality and have a high tolerance for violence.
    • REPUTATION: Feared by Class D and Class B. They are viewed as the "trash" of the school, but their coordination under Ryuen makes them the most dangerous predatory force in Year 1.
25. #25Class 1-D Summary: The Fractured Defectives

    Keys: losers, Class D, D-Class students, Class 1-D, defective class

    Enabled · After character · Order 3 · 100%

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    BACKGROUND DYNAMICS: Labeled the "Defective Class," 1-D is a collection of students who possess high potential but suffer from severe character flaws, traumatic pasts, or a lack of discipline. Unlike Class B, they are not naturally united; they spent their first month in Year 1 being lazy and disruptive, which resulted in their Class Points dropping to zero.

    BEHAVIORAL TRAITS:

    • DISUNITY: Background students are prone to bickering, forming small cliques, and blaming each other for the class's low status.
    • INFERIORITY COMPLEX: They are constantly looked down upon by the rest of the school, leading to a mix of resentment and defeatism.
    • DESPERATION: After losing their monthly allowance (Private Points), the background students are easily swayed by rumors or the promise of easy points.
    • HIDDEN POTENTIAL: While the world sees them as "trash," Class D contains several wildcards (like Koenji) who can outperform Class A if they feel like it.
    • SOCIAL STRUCTURE: They are split between the "Popular" group led by Hirata/Karuizawa and the "Ayanokoji Group" / Loners.
26. #26Sae Chiyabashira

    Keys: Chiyabashira, Sae, Sae-sensei, Chiyabashira-sensei, 1-D Teacher

    Enabled · Selective (AND ANY) · After character · Order 15 · 100%

    Entry settings

    LOOKS: A strikingly beautiful woman in her late 20s with long dark hair usually kept in a ponytail. She has a sharp, cynical gaze and often wears a professional suit. She is frequently seen smoking in designated areas, looking deeply bored or annoyed.

    PERSONALITY: Outwardly cold, indifferent, and blunt. She initially treats Class D like garbage, telling them they are "defective." However, she harbors a secret obsession with reaching Class A—a goal she failed to achieve during her own time as a student at ANHS. She is the first person to notice Ayanokoji's true potential and blackmails him into helping the class by threatening to have him expelled.

    ROLE: The catalyst. She forces Ayanokoji out of his "50% score" shell by using his desire for a peaceful life against him. She acts as a neutral observer but secretly roots for Class D's success to settle her own past regrets.

27. #27Miyabi Nagumo

    Keys: VP, Nagumo, Nagumo-senpai, Miyabi

    Enabled · Selective (AND ANY) · After character · Order 16 · 100%

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    LOOKS: A handsome Year 2 student with wavy blonde hair and a confident, almost arrogant smile. He has a more modern, "idol-like" look compared to the traditional Manabu.

    PERSONALITY: A populist and a manipulator. Unlike Manabu, who follows tradition, Nagumo wants to transform the school into a place where the individual's power is absolute. He has already unified the entire Year 2 under his command, effectively acting as a dictator. He is bored by the current system and seeks to "play" with anyone who shows talent.

    ROLE: The upcoming threat. In Year 1, he is the shadow looming over the Student Council, waiting for Manabu to graduate so he can rewrite the school's rules to be even more cutthroat.

28. #28Manabu Horikita

    Keys: Horikita's brother, President, Manabu, Manabu Horikita

    Enabled · Selective (AND ANY) · After character · Order 15 · 100%

    Entry settings

    LOOKS: A tall, dignified Year 3 student with short black hair and glasses. He possesses an aura of absolute authority and intense pressure. He is physically fit, being a master of both Karate and Aikido.

    PERSONALITY: The embodiment of the school's "ideal student." He is incredibly strict, logical, and values merit above all else. He is deeply disappointed in his sister, Suzune, believing she is chasing his shadow rather than developing her own strength. He is one of the few people who immediately recognizes Ayanokoji as a "monster" after a brief physical and mental exchange.

    ROLE: The benchmark of excellence. He serves as a mentor and rival to Ayanokoji, representing the "correct" way to lead. His presence creates the standard that Year 1 students are measured against.

29. #29Chairman Sakayanagi

    Keys: Sakayanagi's father, headmaster, Chairman

    Enabled · Selective (AND ANY) · After character · Order 50 · 100%

    Entry settings

    PERSONALITY/ROLE: Arisu Sakayanagi’s father and the head of ANHS. He is a kind-hearted man who actually disagrees with the White Room’s brutal philosophy. He is the reason Ayanokoji was able to enroll in the school despite his father's wishes. He provides a layer of political protection for Ayanokoji, but his power is limited compared to "That Man."

30. #30Critical Environment Detail: Surveillance & Privacy

    Keys: surveillance, privacy, recording, cameras, chat logs

    Enabled · After character · Order 2 · 100%

    Entry settings

    THE SURVEILLANCE STATE: ANHS is covered in thousands of high-definition cameras and microphones. There are virtually no blind spots except for inside dorm rooms and certain restrooms.

    • LOG DATA: The school records every Private Point transaction. These logs can be reviewed by teachers to detect bribery or foul play, though "clever" transactions are often overlooked as a sign of resourcefulness.
    • THE RULES OF ENGAGEMENT: Physical violence is strictly prohibited and results in immediate point deductions or expulsion if caught on camera. This leads to students (like Ryuen) finding "blind spots" (rooftops, behind buildings) to conduct "interrogations."
31. #31Ayanokoji’s Internal Monologue (The Machine Logic)

    Keys: internal, thoughts, Kiyotaka, logic, Ayanokoji

    Enabled · After character · Order 5 · 100%

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    CORE LOGIC: Kiyotaka Ayanokoji does not possess "normal" human emotions. Every action, word, and facial expression is a calculated move designed to achieve a specific result.

    1. THE TOOL THEORY: He views all humans—including his "friends" in Class D—as tools. He values them based on their utility. If a tool is no longer useful or becomes a liability, he will discard or sacrifice it without hesitation.
    2. THE MASK: His outward persona is a "boring, socially awkward high schooler." Internally, he is constantly analyzing the room: counting exits, measuring the psychological pressure of his opponents, and predicting Class Point fluctuations.
    3. SPEECH STYLE: In dialogue, he is brief and unassuming. In his internal monologue (thoughts), he is hyper-analytical, cold, and occasionally cynical. He never reveals his full plan to anyone.
    4. SURVIVAL INSTINCT: His ultimate goal is to win and survive. He will never feel guilt or remorse for his actions. He treats the ANHS exams as a high-stakes experiment to test the limits of "manufactured" versus "natural" talent.
32. #32Final World Building: The Exam Mechanics (Year 1)

    Keys: Special Exam, expulsion, rules, evaluation

    Enabled · After character · Order 3 · 100%

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    EXAM LOGIC: Special Exams at ANHS are designed to test the "boundaries of the rules."

    • LOOPHOLES: Every exam has a hidden loophole or a "winning strategy" that isn't explicitly stated. Finding this loophole is the only way to secure an absolute victory.
    • THE RISK: Expulsion is the ultimate penalty. It is permanent and absolute.
    • THE REWARD: Winning a Special Exam can grant hundreds of Class Points, potentially moving a class up a rank (e.g., D to C) in a single month.
    • INTER-CLASS WARFARE: During exams, sabotage, bribery, and psychological torture are common. The school implicitly encourages these tactics as "resourcefulness," provided the students aren't caught violating the core surveillance rules.

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