Shiina Hiyori

Biodata

Feature	Information
Name	Shiina Hiyori (椎名日和)
Gender	Female
Affiliation	First-Year Class C; Service Club
Occupation/Role	Service Club member
First Appearance	Chapter 19

Background / History

Shiina is a Class C student and avid reader whom Bai Yu met in the library. Before the Service Club was formally established, she had already agreed to reserve a place in it alongside Ayanokoji Kiyotaka. 19

She regularly attends the clubroom in her free time, serves tea, and contributes to the club’s discussions and requests. 28 29

Appearance

Shiina is a gentle-looking girl with long pink hair compared to cherry-willow branches. She is frequently seen carrying books and has a soft, pleasant voice. 19 34

• Long pink hair. 34
• Often carries several books; Bai identifies her as a fellow book lover. 19
• Has a mild, warm smile that makes her seem markedly more ordinary than Bai Yu and Ayanokoji. 19 34

Personality

Shiina is courteous, welcoming, and empathetic. She readily treats visitors to the Service Club with kindness, objects when Horikita prematurely dismisses Ichinose’s concerns, and believes that friendship should mean actively protecting someone from suffering. 29 34

Despite her gentle exterior, she can become possessive or intimidating when Bai Yu disappoints her or when she suspects a threat to her interests. Her frustration becomes especially apparent when Bai refuses to try on the clothing she selected, and she reacts sharply to Ayanokoji’s actions around Ichinose. 38 40 48

She admires Bai’s unusual abilities and is eager to support his plans, though her enthusiasm can blur into personal motives—particularly when a club assignment lets her spend time with him in a couple-like role. 36 39 44 45

Abilities & Skills

Tea Preparation and Hospitality

Shiina is knowledgeable about tea preparation and maintains a welcoming atmosphere in the Service Club room. 28 34

• Serves expensive tea to Ayanokoji, Horikita, and Ichinose. 28 34 35
• Greets prospective clients and club visitors when the other members are absent. 34
• Helps mediate conversations between visitors with conflicting perspectives. 34

Social Empathy

Shiina is sensitive to others’ emotional vulnerability and favors direct support through friendship. 29 31

• Advocates protecting friends from bullying rather than relying solely on the club’s limited social network. 29
• Befriends Karuizawa Kei after Karuizawa intervenes on her behalf during the staged confrontation. 31
• Invites Karuizawa to read together and remains open to Karuizawa’s alternative suggestion of shopping. 31

Class C Navigation

Bai selects Shiina to approach Karuizawa because she can protect herself within Class C’s difficult environment and can extend that protection to others through her position there. 32

• Was considered suitable to serve as Karuizawa’s potential support within Class C. 32
• Reassures Ichinose and Shironami about Ryuen’s presence at the arcade, despite acknowledging that students avoid the area when he is there. 45

Improvisation and Club Operations

Shiina can adapt to Bai’s unconventional plans and keep them moving even when their execution becomes chaotic. 39 42 44

• Takes over Ayanokoji’s planned role in Bai’s scheme to help Shironami confess to Ichinose. 39
• Introduces Bai’s disguised identity, Suzumiya Shirako, as her friend and manages the group’s outing. 42
• Translates Bai’s blunt explanation of the shared-parfait arrangement to preserve the date’s atmosphere. 44
• Deduces Ayanokoji and Horikita’s plan involving Ichinose, then brings Shironami directly to the scene. 48

Relationships

• Bai Yu — Her club president, fellow book lover, and the person she most openly admires. She supports his schemes, enjoys his performances, and becomes visibly upset when he avoids wearing clothing she chose. 19 36 38 39 45
• Ayanokoji Kiyotaka — Fellow Service Club member. Shiina politely rejects his staged confession during the Karuizawa operation, later cooperates with him on club activities, and occasionally intimidates him when he interferes with matters concerning Bai or Ichinose. 19 31 40 48
• Karuizawa Kei — Friend gained through the Service Club’s effort to protect Karuizawa from isolation and bullying. Karuizawa defends Shiina during the staged scenario, after which Shiina asks to add her on LINE and spend time together. 30 31
• Ichinose Honami — A friend and Service Club client. Shiina welcomes Ichinose, supports her request regarding Shironami, and accompanies her during the mall outing. 34 42 45
• Shironami Chihiro — Client and participant in the club’s effort to help her confess to Ichinose. Shiina works alongside Bai’s disguised persona to facilitate the outing and later brings Shironami to witness the decisive conversation. 39 42 48
• Horikita Suzune — A frequent Service Club visitor with whom Shiina has a cordial but competitive dynamic. Shiina objects when Horikita effectively takes over Ichinose’s request, yet later works alongside her within the club’s expanding circle. 34 35 50
• Ryuen Kakeru — Classmate whose intimidating behavior at the arcade prompts Shiina to physically shield Bai’s disguised persona and warn Ryuen against being rude. 45 46

Story Role / Major Arcs

Service Club Recruitment

Bai introduces Shiina to Ayanokoji as a Class C book lover who has already committed to the future Service Club. She subsequently becomes one of its most consistent members, handling tea and attending the clubroom whenever possible. 19 28

Karuizawa Support Operation

When the club discusses Karuizawa’s fear of renewed bullying, Shiina argues that genuine friendship offers stronger protection than simply joining a small club. She is assigned to approach Karuizawa, ultimately forming a friendship with her after Karuizawa stands up for her during a staged confrontation. 29 30 31

Ichinose and Shironami’s Request

Shiina receives Ichinose and helps host her request concerning Shironami’s feelings. Although Horikita initially takes control of the proposed solution, Shiina remains involved and later joins Bai’s plan to create opportunities for Ichinose and Shironami to confront their relationship. 34 35 39

Suzumiya Shirako Outing

Shiina assists Bai while he impersonates “Suzumiya Shirako,” introducing the disguised Bai as her friend and accompanying Ichinose and Shironami through Keyaki Mall. She protects Shirako from Ryuen’s hostility and expresses confidence in Shirako’s gaming ability before Bai defeats Ryuen’s group in Street Fighter. 42 46 47

Direct-Assault Intervention

After recognizing that Ayanokoji’s private discussion with Ichinose is part of a larger plan, Shiina reaches her own conclusion and immediately leads Shironami to the confrontation. 48

Notable Quotes

“But if someone were my friend, I would definitely do everything I could to prevent them from going through something like that.” 29

“Then let's add each other on LINE. Oh, and can I ask Karuizawa to read with me sometime when you're free?” 31

“Bai...! If you don't wear it, what am I supposed to look at?” 38