Takahashi

Biodata

Feature	Details
Name	Takahashi Shinma (高桥)
Gender	Male
Affiliation	Advanced Nurturing High School, Class 1-D 1
Occupation/Role	Student; independent strategist and occasional mediator for Class D 16 28
Status	Active 50
First Appearance	Class D 1

Background

Takahashi enters Class D viewing himself as a genius among other geniuses. Initially detached from his classmates, he intends to coast through school while quietly assessing their personalities, weaknesses, and usefulness. He identifies Hirata as a potentially valuable “host” because of Hirata’s concern for classmates, while recognizing Karuizawa’s fear of bullying as a vulnerability. 1 2

He rapidly familiarizes himself with the school, mentally mapping its facilities and surveillance cameras. His observation of Class D’s behavior also leads him to infer that class points are tied to conduct before most of the class understands the system. 2 9

Chabashira later reveals that Takahashi entered the school without taking the entrance examination, describing him as a backdoor entrant. Despite this, he earns perfect quiz scores and is recognized as one of Class D’s strongest students academically. 12

Appearance

Takahashi is regarded as highly attractive by several classmates and is frequently compared favorably with Hirata. He is taller than Hirata, has defined facial features, long lower eyelashes, and notably fair skin. 18 44

• Considered one of the most handsome boys in Class D. 18
• Usually ranks among the class’s top three during physical activities. 44
• Draws attention from female students after protecting others on the island. 40

Personality

Takahashi is highly self-assured, observant, and entertained by complicated social dynamics. He often watches conflicts from the sidelines before deciding whether involvement would benefit him, and he can be evasive when others demand information he does not wish to share. 1 9 22

He combines a calm, playful manner with a manipulative streak. He records Kushida’s rooftop outburst to counter her threat, feeds Ryuuen false intelligence during the Intelligence Offensive and Defensive Battle, and treats Sakura’s dependence on him as an “obedience test.” 15 22 28

Despite this, Takahashi repeatedly protects people he cares about or considers worth helping. He intercepts Sudo’s punch aimed at Horikita, supports Sakura through her stalker problem, and defends Ayanokouji from accusations during the island exam. 14 25 44

He is also superstitious, using custom fortune slips and altering his behavior when he draws “Great Misfortune.” 9 20

Abilities & Skills

Observation and Deduction

Takahashi notices details that others overlook and uses them to assess people, school rules, and ongoing schemes.

• Memorized the campus layout, including the positions of surveillance cameras, shortly after arriving at the school. 2
• Correctly inferred that Class D’s points were tied to student behavior. 9
• Noticed Ibuki’s camera and suspected it could be used to identify Class D’s representative. 38
• Deduces the broader situation surrounding Horikita’s representative card while observing Ayanokouji’s actions. 50
• Often withholds conclusions rather than openly sharing them, including his knowledge concerning Sakura’s connection to Sudo’s incident. 21 22

Academic Ability and Tutoring

Takahashi performs exceptionally well on written exams and can clearly explain difficult material to weaker students.

• Finished the impromptu five-subject quiz before half the allotted time had passed. 6
• Earned a perfect score on the quiz despite Chabashira’s awareness that he had not taken the entrance examination. 12
• Carefully explains mathematical steps and underlying concepts while tutoring Ike. 18
• Horikita states that he deliberately scored 50 in English during the midterm to preserve Sudo’s class-average benchmark and prevent his expulsion. 22

Strategy and Information Warfare

Takahashi gathers information, exploits opponents’ assumptions, and operates through hidden arrangements.

• Compiles potential weaknesses of other classes in a notebook during the Intelligence Offensive and Defensive Battle. 28
• Secretly cooperates with Ayanokouji during the intelligence battle. 28
• Provides Ryuuen with false intelligence about Class A, contributing to Class C’s last-place result. 28
• Makes a private deal to assist Ryuuen during the island exam in exchange for double payment, while maintaining a friendly appearance within Class D. 32
• Secretly supplies Ryuuen while Class C is hiding in the forest. 40

Mediation and Negotiation

Takahashi can take control of disputes when he chooses to involve himself.

• Resolves the conflict between the photography club and art club by assigning each a suitable activity room and arranging assistance with the move. 16
• Helps Ichinose handle the dispute after she is unable to make either club listen to her. 16
• Uses his rapport with Hoshinomiya to obtain information, including a compiled collection of first-year midterm mistakes. 19

Physical Ability

Takahashi possesses enough speed and strength to intervene directly in dangerous situations.

• Intercepts Sudo’s punch aimed at Horikita, though he is injured in the process. 14
• Kicks Albert away while defending Sakura from harassment, surprising the surrounding students. 39
• Saves a girl from a snake during the island exam and becomes a hero among several female students. 40
• Is described as consistently placing within Class D’s top three in physical activities. 44

Equipment / Items

• Custom fortune slips and lot stick — Uses personally commissioned fortune readings, including “Half-Good” and “Great Misfortune.” 9 12 20
• Phone — Keeps recordings and uses it to maintain contact with classmates and gather information. 15 26
• Notebook — Records possible weaknesses and targets from other classes during the intelligence battle. 28
• Room 403 key — Resides in dormitory room 403. 2

Relationships

• Ayanokouji Kiyotaka — Classmate, benchmark, and covert strategic partner. Takahashi initially judges Ayanokouji as Class D’s average standard, but later collaborates with him during the intelligence battle and island exam. 5 12 28 42
• Sakura Airi — Close companion and romantic interest. Takahashi comforts her, takes her on dates, helps repair her camera, handles her stalker, and encourages her to become more involved with Class D. 23 25 26
• Kushida Kikyo — A volatile relationship built on mutual knowledge and leverage. Takahashi witnesses her darker side and uses a recording of her outburst to counter her threat. 15
• Horikita Suzune — Classmate and occasional ally. Takahashi protects her from Sudo’s punch and later coordinates with her over Class D’s strategy, though he frequently avoids direct involvement in her plans. 14 23 26
• Ryuuen Kakeru — Secret business partner and adversary. Takahashi approaches Ryuuen with deals, manipulates him with false intelligence, and later covertly assists him on the island. 2 28 32 40
• Hoshinomiya Chie — Flirtatious teacher acquaintance and information source. Takahashi trades playful banter with her and obtains academic information through their connection. 10 11 19
• Ichinose Honami — Student council member whom Takahashi assists with the club-room dispute; they later share meals and exchange information. 16 17
• Shiina Hiyori — Fellow mystery-novel enthusiast. Their shared interest leads to repeated literary discussions and time together during the school trip. 5 29

Story Role / Major Arcs

Early Class D

Takahashi begins as a detached observer of Class D, evaluating classmates while recognizing the school’s hidden point-based incentives. He becomes increasingly aware that Class D’s poor conduct, weak unity, and exploitable students make it vulnerable to outside manipulation. 1 2 9

Study Group and Midterms

Although initially reluctant to participate in class discussions, Takahashi tutors Ike and influences the class’s academic survival. His controlled English score allegedly prevents Sudo’s expulsion by preserving the necessary class average. 10 18 22

Sudo Incident and Sakura’s Growth

During Sudo’s conflict with Class C, Takahashi recognizes Sakura’s connection to the potential witness but refuses to force her to testify. He later encourages Sakura to step forward as part of her personal growth, while also helping her deal with the stalker connected to her former identity as the blog idol “Shizuku.” 21 22 25 26

Intelligence Offensive and Defensive Battle

Takahashi takes an active role in the inter-class intelligence contest by organizing information gathering, cooperating secretly with Ayanokouji, and manipulating Ryuuen into submitting false information about Class A. Class C ultimately finishes last. 28

Uninhabited Island Exam

On the island, Takahashi publicly contributes to Class D’s survival efforts while secretly maintaining an arrangement with Ryuuen. He identifies risks posed by Ibuki, protects Sakura from Albert, assists Ayanokouji in investigating the underwear theft, and observes the conflict over Horikita’s representative card. 32 38 39 42 50

Trivia

• Takahashi lives in room 403, while Ayanokouji lives in room 401. 2 22
• He is an avid reader of mystery fiction and discusses detective novels with Shiina Hiyori. 5 29
• Chapter 28 refers to him as “Takahashi Shusuke,” while the surrounding chapters identify him as Takahashi Shinma. 28