Class A

Biodata

Class Evaluation Timeline

Background / History

Class A begins the school year with a substantial advantage. Sakayanagi Arisu quickly obtains intelligence on Ikusei High School's concealed class-evaluation system, apparently through large point payments to upperclassmen. This gives the class advance warning of the first-month Behavioral Standards Exam and allows it to avoid the severe deductions suffered by the lower classes. 17 20 37

Rather than forming around a single leader as prior first-year Class As reportedly did, the class divides into two competing blocs. Sakayanagi's supporters favor her proactive, aggressive approach, while Katsuragi Kohei's faction believes the class should preserve its existing lead through stable management. 20 26

The class remains in first place after the first month, but its internal division persists. Its two factions sit on opposing sides of the classroom, leaving no apparent neutral group. 28 33 Sakayanagi later temporarily places Katsuragi in command, apparently intending for his leadership to fail and further weaken his position. 47

Class System and Advantages

• Class rank is determined solely by Class Evaluation Points; a lower-ranked class can replace a higher-ranked class by surpassing its score. 35 36
• Monthly living expenses are calculated by multiplying Class Evaluation Points by 100. 33 35
• Only students who graduate in Class A receive the school's promised educational and career benefits. 12 33 35
• Class A's early intelligence network lets it act before other first-year classes understand the competition. 17 20
• The class is highly self-disciplined: despite its factional conflict, it loses only 76 points during its first month without relying on the coercive control used by Ryuen's class. 37

Factions

Sakayanagi Faction

Led by Sakayanagi Arisu, this faction supports an active and radical strategy rather than merely maintaining Class A's lead. Sakayanagi considers the lower-ranked classes potential future opponents and deliberately leaves openings for them to grow stronger, seeking worthy competition. 20 29

• Obtained and acted upon early intelligence about the school's mechanisms and first-month assessment. 17 20
• Includes loyal supporters such as Hashimoto Masayoshi. 20
• Uses leverage aggressively: Sakayanagi blackmails Kamuro Masumi over her shoplifting and makes her assist her. 20 22
• Regards Shirogane Miyuki as a potential major threat to Class A. 20

Katsuragi Faction

Led by Katsuragi Kohei, this faction forms around the belief that Class A should protect its advantage and proceed conservatively. Its existence stems from Class A's strong early score, which convinces its members that stability is more valuable than Sakayanagi's riskier approach. 20 27

• Treats maintaining Class A's existing lead as its central strategy. 20
• Includes Totsuka Yahiko, Katsuragi's close follower and right-hand man. 33 41
• Faces criticism from Sakayanagi, who considers the faction's outlook foolish and insufficiently aware of the other classes' progress. 27
• Katsuragi's Student Council application is rejected partly because Class A's two-leader structure demonstrates his inability to unify the class. 42

Key Members and Relationships

• Sakayanagi Arisu — Leading figure of the Sakayanagi Faction; gains supporters immediately after enrollment through her intelligence and initiative. 15 20
• Katsuragi Kohei — Leader of the conservative faction; seeks to maintain Class A's advantage and competes with Sakayanagi for influence. 20 26
• Hashimoto Masayoshi — Sakayanagi loyalist who openly defends her during her confrontation with Katsuragi. 20
• Kamuro Masumi — Sakayanagi's coerced assistant; her theft becomes leverage used to force her cooperation. 20 22
• Totsuka Yahiko — Katsuragi's follower and operational ally. 33 41
• Shirogane Miyuki — A first-year rival from the class that rises from Class C to Class B. His public promise to make Sakayanagi his future vice president increases mistrust between Class A's factions. 47 49
• Nagumo Miyabi — Second-year Student Council Vice President who approaches Class A, publicly reveals that classes can rise in rank, and later plans to support Class A with 50 additional points. 18 50

Story Role / Major Arcs

• First-month advantage — Class A acquires confidential information ahead of the other first-years and uses it to protect its score during the Behavioral Standards Exam. 17 37
• Factional struggle — Sakayanagi and Katsuragi establish rival leadership blocs, preventing the class from becoming fully unified. 20 26 28
• Competition with Shirogane's class — As Ryuen and Shirogane's class rises from Class C to Class B, Class A becomes its immediate target. The gap between the two classes falls below 200 points. 36 37
• Student Council announcement — Shirogane's appointment and his declaration that Sakayanagi will become his vice president are used to foster suspicion that she may betray Class A, deepening its internal fracture. 47 49

Trivia

• Class A is described as having no visible neutral faction; its classroom seating is split directly between the Sakayanagi and Katsuragi sides. 28
• Although Sakayanagi could have consolidated control from the start, she allows Katsuragi's faction to develop because she finds an uncontested Class A too boring. 29 47