Hiyori

Biodata

Feature	Information
Name	Shiina Hiyori (日和)
Alias(es)	Hiyori
Gender	Female
Affiliation	Advanced Nurturing High School; Ryuuen's class—initially Class C, later Class A 5 174
Occupation/Role	Student; custodian of Class Points; class-affairs manager; female representative in gender-separated examinations 7 142
First Appearance	Chapter 5

Background and History

Hiyori loved reading from childhood, often isolating herself in what her mother calls a “house of books” rather than playing or participating in class activities. Her mother later notes that Hiyori had become far more socially engaged and willing to stand at the center of group activities since entering Ryuuen's orbit. 407

She first comes into focus by confronting Ryuuen after his rooftop campaign against the boys of Class C, refusing to be intimidated despite his violence and dominance. 5 Though she initially wants no involvement in class conflict, Ryuuen forces her into collecting class fees and handling administrative work. 6 7

Ryuuen entrusts Hiyori with the class's Points, both because he trusts her and because he wants her to form a female-centered leadership bloc within the class. She gradually becomes the intermediary between Ryuuen and their classmates, taking care of discipline and routine affairs before he can pressure her into doing so. 7

Her shared interest in literature becomes a key point of connection with Ryuuen. Their discussion of The Crowd: A Study of the Popular Mind reveals a scholarly side of him that fascinates her and turns their conversations into a regular part of her life. 7 50

Appearance

Hiyori is a slender girl usually seen carrying books. Early scenes describe her with long dark hair and a ribbon, while a later bonus chapter describes her long hair as silver. 6 423

• Often carries textbooks or novels, even when distracted by class affairs. 6 7
• Wears a distinctive hair ribbon, which Ryuuen repeatedly tugs to get her attention. 6 7
• Has a soft, clear voice and a gentle expression. 104
• Is noted to have lower physical stamina than Horikita Suzune. 188 208

Personality

Hiyori is gentle, quiet, diligent, and highly responsible. She dislikes crude conflict and initially resists being involved in Ryuuen's schemes, but she consistently completes the duties entrusted to her and earns the respect of both the girls and boys in her class. 6 7

She is observant and intellectually curious, especially where books, strategy, and interpersonal behavior are concerned. Her sensitivity also makes her prone to noticing changes in Ryuuen's behavior and relationships, which she often internalizes rather than immediately confronting. 50 188

Hiyori's attachment to Ryuuen develops into jealousy, insecurity, and a desire to be chosen over the other girls around him. After an emotional breakdown, she recognizes that she has been avoiding her anxieties through reading and resolves to improve herself rather than remain passive. 186 188

Later, she becomes more assertive: she challenges Ryuuen's decisions, questions his dependence on her support, and recognizes her own need to form independent judgments. 361 376 396

Abilities & Skills

Class Administration

Hiyori is Ryuuen's principal organizer for internal class affairs.

• Holds and manages the class's pooled Points, with their use publicly disclosed but their authority entrusted to her. 7
• Collects class fees and handles routine discipline and administrative matters. 6 7
• Serves as the female representative when an examination separates male and female students. 142
• Coordinates the girls' design work for the Cultural Festival and organizes help to produce Hoshinomiya Chie's maid outfit overnight. 401 405

Analysis and Strategy

Hiyori can assess situations logically and identify strategic risks.

• Calculated that luck-based events would give her class only an unreliable chance of overcoming Class B, rejecting Ishizaki's proposal with specific probability estimates. 130
• Deduced that Horikita had encountered Ryuuen on the ship's deck from the salt scent on her, her disheveled hair, and her mood. 208
• Recognized the inflated demands and ulterior motives behind first-year Class D's recruitment offer. 179
• Planned a deliberate loss in an unwinnable Sports Festival match to make Ryuuen's team appear weaker to rival classes. 359

Sensory Perception

Hiyori has an unusually sharp sense of smell.

• Detected two unfamiliar scents on Ryuuen when he returned to his tent. 22
• Identified that Ryuuen had met several people by noticing multiple unfamiliar scents on him. 50
• Used the scent of sea air to support her deduction about Horikita's encounter with Ryuuen. 208

Literature

Books are Hiyori's greatest interest and her preferred refuge from stress.

• Discusses literature and social psychology with Ryuuen, including The Crowd: A Study of the Popular Mind. 7
• Prefers physical books to tablets because she values the sound and feel of turning paper pages. 174
• Enthusiastically recruits Ayanokoji into a reading session when she finds herself alone in the library. 160

Cooking and Craftwork

Hiyori is competent in practical domestic skills, though she considers herself inferior to Horikita in cooking.

• Entered a cooking competition with Horikita to recruit Amasawa Ichika. 180
• Her loss to Horikita becomes one trigger for her self-doubt and determination to improve. 188
• Designs and makes costumes for the Cultural Festival, including Hoshinomiya Chie's maid outfit. 405

Physical Ability

Hiyori is not physically strong compared with the school's more athletic students.

• Has lower stamina than Horikita, requiring the pair to plan their pace carefully during the Uninhabited Island Exam. 188 208
• Is nevertheless described as having better combat ability than Kaneda. 179

Relationships

• Ryuuen Kakeru — Class leader, employer-like partner, literary companion, and Hiyori's central emotional attachment. He entrusts her with Class Points and relies heavily on her to manage the class; Hiyori gradually becomes jealous of his closeness with other girls and seeks clarity about her place in his life. 7 50 186 188
• Horikita Suzune — Examination teammate and eventual confidante. Hiyori approaches Horikita to form a team for the Uninhabited Island Exam, then uses her perceptiveness to help Horikita confront her feelings about Ryuuen. 204 208
• Kaneda — Fellow strategist and recruitment partner. He accompanies Hiyori during negotiations with first-years and works with her in analyzing class strategy. 130 179
• Ayanokoji Kiyotaka — Initially stalled by Hiyori at Ryuuen's request; later drawn into an awkward library reading session with her. 9 160
• Amasawa Ichika — Recruitment target and cooking-contest rival. Hiyori competes with Horikita for Amasawa's cooperation, then later becomes irritated by Amasawa's provocations around Ryuuen. 180 252
• Mrs. Shiina — Hiyori's perceptive mother. She is pleased by Hiyori's increased social involvement but questions Ryuuen closely about whether he will hurt her daughter. 407

Story Role / Major Arcs

Class C's Internal Reorganization

Hiyori confronts Ryuuen's violent consolidation of Class C, then becomes essential to the more sustainable system that follows. By holding the Class Points, maintaining discipline, and representing the girls, she helps stabilize the class without relying solely on Ryuuen's intimidation. 5 7

Growing Closer to Ryuuen

Ryuuen repeatedly brings Hiyori into his plans, from stalling Ayanokoji by the Small Lake to accompanying him during exams. Their shared reading sessions and increasingly personal conversations deepen her feelings, while his interactions with other girls fuel her insecurity. 9 22 50 160

First-Year Recruitment and Breakdown

Ryuuen assigns Hiyori and Kaneda to recruit capable first-years for the Uninhabited Island Exam. The overwhelming influx of applicants and her unspoken discomfort with Ryuuen's exploitative strategy leave her emotionally exhausted; she eventually breaks down in tears when he presses her to explain what is wrong. 179 186 187

Self-Improvement and Rivalry

After acknowledging that her fears are tied to Ryuuen and Horikita, Hiyori decides to improve her stamina and cooking rather than silently compare herself to Horikita. This marks a shift from avoidance to active self-development. 188

Uninhabited Island Partnership

Hiyori forms a team with Horikita Suzune for the Uninhabited Island Exam. She proposes the partnership, helps establish their strategy, and later offers Ryuuen shelter during a rainstorm, creating further tension between herself, Ryuuen, and Horikita. 204 208 217

Sports Festival and Independence

Hiyori continues to direct strategy during the Sports Festival, including a deliberate feint of weakness in a losing match. After the class finishes third, Ryuuen tells her she must develop her own ideas instead of depending on him, a criticism she accepts. 359 376

Cultural Festival

Hiyori challenges Ryuuen over an insensitive costume plan, persuading him to survey students' preferences rather than impose maid and butler outfits by gender. She then helps organize the festival's design work and produces Hoshinomiya Chie's costume under severe time pressure. 396 401 405

Expulsion Crisis

Hiyori later faces the possibility of expulsion through a forty-million-point demand. Her fear of being separated from Ryuuen makes her hesitate, but she also recognizes that expulsion would fulfill Sakayanagi's objective. 453

Notable Quotes

“I refuse!” 7

“While there's a gap between us and Class B, we can still guarantee a more than 20% win rate across the seven events, even at our worst.” 130

“I get the feeling, Ryuuen-kun, that you’re a little afraid of me.” 396