Sayanagi Arisu

Biodata

Feature	Value
Name	Sayanagi Arisu (坂柳有栖)
Alias(es)	Alice
Species/Race	Human
Gender	Female
Affiliation	Advanced Nurturing High School; Class 1-A
Occupation/Role	Student; central figure of the Sayanagi faction in Class 1-A
Status	Active
First Appearance	Chapter 1

Background / History

Sayanagi enters Class 1-A as the focal point of one of its two informal factions, opposite Katsuragi Kohei’s group. Hoshinomiya Rinyu is assigned the seat beside her, and their first conversation establishes her habit of answering politeness with pointed, playful tests. 1

When Katsuragi proposes class self-introductions, Sayanagi rejects the idea as a shallow measure of worth, arguing that names and hobbies cannot reveal a person’s “absolute value.” The dispute establishes her ideological and leadership rivalry with Katsuragi. 2

Sayanagi soon takes a particular interest in Rinyu because she cannot easily read him. She probes his knowledge of the school, notices his ability to identify Ayanokoji’s concealed qualities, and accepts the more familiar names “Alice” and “Rinyu-kun.” 2 3

Her limited physical stamina prevents her from remaining active for long, but it does not diminish her strategic involvement. She independently deduces the connection between class rankings and personal-point distribution by studying the upper-year point standings and the spending habits of lower-ranked classes. 3 4

Appearance

Sayanagi is a petite girl with short silver-purple to purplish-silver-white hair, purple eyes, and a black beret. She relies on a cane and moves at a measured pace because of her physical condition. 1 2 3

• Carries a cane, often tapping it lightly while speaking or thinking. 2 3
• Has a striking, refined appearance that draws attention when she walks with Rinyu. 1 4
• Wears over-the-knee tights as part of her school attire. 3
• Is physically unable to sustain prolonged activity. 3 7

Personality

Sayanagi is intelligent, composed, and openly elitist. She dismisses superficial social rituals, assesses people by their underlying ability, and regards the school as a contest where strategy matters more than appearances. 2 4 7

Her polished smile and gentle manner frequently conceal provocation, scrutiny, or competitive intent. She repeatedly tests Rinyu’s knowledge and reactions, while her confrontation with Ryuen shows that she can assert Class A’s authority without losing her elegant composure. 3 4 9 10

Although usually controlled, she becomes visibly embarrassed when her concern for Rinyu is exposed. Her fascination with his strength and mystery gradually develops beyond intellectual appreciation into personal affection. 4 8

Abilities & Skills

Strategic Analysis

Sayanagi rapidly identifies hidden structures within the school’s systems and evaluates people according to their practical value.

• Inferred that class points determine personal-point distribution by comparing upper-year rankings. 4
• Noted that students from Classes C and D were conserving points, using their cafeteria choices as supporting evidence. 4
• Recognized Rinyu’s unusual capacity to notice concealed talent, particularly in Ayanokoji. 3
• Treats real school competition as a harsher strategic game than chess. 7

Chess

Sayanagi is highly skilled at chess and seeks a future match against Rinyu. 7

• Views their planned game as both a friendly contest and a symbol of deeper competition. 7
• Reaffirms the agreement while warning that real-world victory and defeat may be more severe. 7

Leadership and Influence

Sayanagi commands a substantial circle within Class 1-A and acts decisively in conflicts involving her classmates.

• Her faction supports Rinyu’s class-wide study-group proposal. 5
• Introduces Rinyu to Kamuro Masumi and Hashimoto Masayoshi, bringing him into closer contact with her circle. 4
• Intervenes when Ryuen challenges Rinyu’s involvement with Class D, declaring Class A’s affairs outside Class C’s authority. 9
• Immediately withdraws her aggression when warned by a teacher, demonstrating tactical restraint. 10

Relationships

• Hoshinomiya Rinyu — Seatmate, intellectual interest, chess rival, and increasingly close companion. She probes his secrets, accepts his gifts, and personally cares for him during his fever. 1 3 4 7 8
• Katsuragi Kohei — Rival Class 1-A power center. They clash over class organization and represent opposing approaches to leadership. 1 2
• Kamuro Masumi — Associate within Sayanagi’s circle; assists Sayanagi in caring for Rinyu and openly exposes Sayanagi’s concern for him. 4 8
• Hashimoto Masayoshi — Associate within her circle who notices and is amused by the closeness between Sayanagi and Rinyu. 3 4 9
• Kito Hayato — Member of the group accompanying Sayanagi during the confrontation with Class C. 8 9
• Ayanokoji Kiyotaka — A student Sayanagi finds outwardly unremarkable, though she recognizes Rinyu’s interest in his hidden qualities. 3 4
• Ryuen Kakeru — Rival from Class C; Sayanagi directly rejects his interference in Class A’s affairs. 9 10

Story Role / Major Arcs

Class 1-A Factional Rivalry

Sayanagi is introduced as one of Class 1-A’s two faction leaders. Her disagreement with Katsuragi over self-introductions frames their conflict as elitist assessment versus pragmatic cooperation. 1 2

Growing Connection with Rinyu

Sayanagi’s curiosity toward Rinyu grows through their discussions of the school, shared walks, exchanged drinks, and increasingly intimate meals. She brings him into contact with Kamuro and Hashimoto, while their chess agreement formalizes a competitive bond. 2 3 4 7

Rinyu’s Illness

After Rinyu collapses from a fever, Sayanagi goes to his dormitory, tends to him personally, and arranges two days of leave. She later minimizes her actions until Kamuro reveals how anxious she had been. 8

Class C–D Conflict

When Rinyu is challenged by Ryuen over his assistance to Class D, Sayanagi arrives with her group and protects Class A’s autonomy. She later complies with Hoshinomiya Chie’s order to disperse, concealing her hostility without argument. 9 10

Notable Quotes

“A few simple self-introductions cannot reflect a person's absolute value at all.” 2

“It seems that seeing through you is not an easy task, Hoshinomiya-kun.” 3

“Compared to victory or defeat on a chessboard, the game played in reality might prove far more cruel.” 7

Trivia

• Sayanagi accepts a café latte from Rinyu as a “welcoming gift” on the day of the entrance ceremony. 2
• Rinyu prepares her a hot latte with heart-shaped latte art. 4
• She likes Mont Blanc cake. 4
• She prefers warm honey black tea during the rainy season because it suits her physical condition. 7