Chapter Summaries

Key Plot Points and Events

• Class D's internal conflict escalates after the disastrous exam results.
• Yukimura Teruhiko confronts Hirata Yosuke, accusing him of making a crucial decision without consent.
• Class D students split into factions, with some supporting Hirata and others demanding accountability.
• Kushida Kikyo attempts to mediate but fails to calm the situation.
• Majima Tomoya intervenes, silencing the students and ordering them back to their positions.
• Horikita Suzune approaches Kazehara Tetsu on the cruise ship, seeking information about the exam results.

Character Developments

• Hirata Yosuke: Stands accused of ruining the class's chances, he remains calm and takes responsibility.
• Yukimura Teruhiko: Angered by the exam results, he confronts Hirata and demands accountability.
• Kushida Kikyo: Attempts to mediate the conflict but fails, showing her limited influence.
• Horikita Suzune: Despite her fever, she actively seeks information to understand the exam's true nature.

Significant Themes

• Trust and Leadership: The class's trust in Hirata is tested, and the importance of open communication and decision-making is highlighted.
• Conflict and Unity: Class D's internal conflict threatens to tear the class apart, emphasizing the need for unity in the face of adversity.

Character Interactions

• Hirata Yosuke vs. Yukimura Teruhiko: Their heated argument reflects the class's divide and the tension between responsibility and accountability.
• Karuizawa Kei's Faction vs. Yukimura Teruhiko's Faction: The two factions clash, with Karuizawa's side defending Hirata and Yukimura's side demanding answers.
• Horikita Suzune vs. Kazehara Tetsu: Horikita approaches Kazehara to gain insights into the exam's results, showing her determination to understand the situation.

Key Plot Points and Events

• Horikita Suzune meets with Kazehara Tetsu to discuss the exam results and Class D's situation.
• They analyze the points gained and lost by each class during the exam.
• Ryuen Kakeru's withdrawal from the exam is discussed, but Kazehara Tetsu claims ignorance about the reason.
• Horikita Suzune expresses uncertainty about Class D's future.

Character Developments

• Horikita Suzune feels overwhelmed and fragile due to her class's failure and her own illness.
• Kazehara Tetsu remains calm and composed, providing analysis without mockery.
• Horikita Suzune's trust in Ayanokoji Kiyotaka wavers, blaming him for the class's situation.

Significant Themes

• Trust and its importance within a class.
• The consequences of hiding the truth and the difficulty of rebuilding trust.
• The impact of individual actions on the collective.

Character Interactions

• Horikita Suzune and Kazehara Tetsu discuss the exam results and Class D's internal issues.
• Horikita Suzune struggles with her feelings about Ayanokoji Kiyotaka's role in the class's situation.
• Kazehara Tetsu provides a grim outlook on Class D's future, leaving Horikita Suzune feeling hopeless.

Key Plot Points and Events

• Horikita Suzune confides in Kazehara Tetsu about her struggle to catch up to her brother's pace.
• Kazehara Tetsu suggests she should focus on becoming the first Horikita Suzune, not a copy of her brother.
• He offers her a chance to transfer to Class A to explore new possibilities and find her own path.

Character Developments

• Horikita Suzune: Struggles with her self-identity and her desire to prove herself to her brother. Begins to consider the possibility of finding her own path.
• Kazehara Tetsu: Shows a more caring and understanding side, offering Horikita Suzune guidance and support.

Significant Themes

• Self-identity and finding one's own path.
• The pressure to live up to others' expectations.
• The importance of learning from failure.

Character Interactions

• Horikita Suzune and Kazehara Tetsu: Their friendship deepens as they have a heart-to-heart conversation. Kazehara Tetsu helps Horikita Suzune see things from a different perspective.

Key Plot Points and Events

• Class A students gather in the recreation area for a celebration party after completing the Desert Island Exam.
• Kazehara Tetsu initially declines to attend, but Hashimoto Masayoshi persuades him to join.
• At the party, students share their experiences and express gratitude for the unity and understanding gained during the exam.

Character Developments

• Kazehara Tetsu shows reluctance to socialize but eventually joins the party, demonstrating a willingness to connect with his classmates.
• Katsuragi Kouhei reveals his concerns about the inevitable conflict with Sakayanagi Arisu and his disapproval of her manipulative tactics.

Significant Themes

• Unity and camaraderie among classmates.
• The inevitable conflict between Katsuragi Kouhei and Sakayanagi Arisu due to their differing philosophies on class management.
• The tension between idealism and realism in competition.

Character Interactions

• Hashimoto Masayoshi encourages Kazehara Tetsu to join the party, showing his desire for stronger class bonds.
• Kazehara Tetsu initiates a conversation with Katsuragi Kouhei, demonstrating a new level of engagement with his classmate.
• Katsuragi Kouhei shares his worries about the future with Kazehara Tetsu, indicating a growing trust between them.

Key Plot Points and Events

• Kazehara Tetsu proposes a solution to balance Katsuragi Kouhei's desire for class harmony and Sakayanagi Arisu's principle of might-makes-right, suggesting he could lead Class A.
• Katsuragi Kouhei agrees to support this proposal, acknowledging Kazehara Tetsu's abilities and the potential to unite both factions in Class A.
• Kazehara Tetsu discovers Yamamura Miki standing alone by the vending machine during the class party.

Character Developments

• Kazehara Tetsu demonstrates his leadership potential and strategic thinking by proposing a solution to the class's internal conflict.
• Katsuragi Kouhei shows willingness to support Kazehara Tetsu's proposal, indicating his desire for a united class.
• Yamamura Miki reveals her insecurities and envy of classmates like Kagihara, hinting at her struggle with self-worth and social interaction.

Significant Themes

• Leadership and Unity: The chapter explores the importance of balanced leadership and unity within the class to achieve harmony and success.
• Invisibility and Self-Worth: Yamamura Miki's struggle with feeling invisible and her envy of others highlights the theme of self-worth and the desire to be noticed and valued.

Character Interactions

• Kazehara Tetsu and Katsuragi Kouhei discuss the class leadership issue, leading to an agreement on Kazehara Tetsu's proposal.
• Kazehara Tetsu interacts with Yamamura Miki, showing understanding and empathy towards her feelings of invisibility and envy.

Key Plot Points and Events

• Yamamura Miki confides in Kazehara Tetsu about her loneliness and desire to be noticed.
• She reveals her unique hobby of listening to sounds and the comfort it brings her.
• Miki expresses her fear of speaking to others due to her past experiences.
• Tetsu encourages Miki to join a class gathering in the recreation area.
• Miki hesitates but decides to try, only to find the gathering has ended just as she reaches the door.

Character Developments

• Yamamura Miki: Miki reveals her deep-seated loneliness and fear of social interaction. She finds the courage to attempt joining a class gathering, showing growth in her willingness to engage with others.
• Kazehara Tetsu: Tetsu demonstrates empathy and understanding towards Miki's situation. He encourages her to face her fears and provides reassurance, showing maturity and kindness.

Significant Themes

• Loneliness and the Desire for Connection: Miki's longing to be noticed and her fear of speaking to others highlight the theme of loneliness and the human desire for connection.
• Courage and Self-Discovery: Miki's struggle to overcome her fear of social interaction and her eventual decision to join the gathering emphasize the theme of courage and self-discovery.
• The Fear of Judgment: Miki's fear of saying the wrong thing and being laughed at or hated explores the theme of the fear of judgment and societal expectations.

Character Interactions

• Miki and Tetsu: Their conversation reveals Miki's inner thoughts and fears, while Tetsu's empathetic responses encourage Miki to face her fears and attempt to connect with others.
• Miki and Her Classmates: Miki's envy of her classmates' easy interactions and her hesitation to join the gathering highlight her complex feelings towards her peers and her desire for connection.

Key Plot Points and Events

• Students on a cruise ship receive an email notification about a Special Exam.
• The exam is to be held in groups, with each group having a "Favored One" to identify.
• The exam's rules and results are explained, with varying outcomes based on correct or incorrect answers and timely submissions.
• Students are divided into twelve groups, with Kazehara Tetsu's group named "U" or "Rabbit."

Character Developments

• Kazehara Tetsu remains calm and composed, expecting the exam, unlike other students who are distressed.
• Karuizawa Kei is late and shows defiance towards Majima-sensei.

Significant Themes

• The exam's purpose is to test students' Thinking abilities, emphasizing strategic planning and group dynamics.
• The Favored One system highlights the importance of individual performance within group settings.

Character Interactions

• Kazehara Tetsu greets Ichinose Honami upon entering the exam room.
• Karuizawa Kei is surprised to see Yukimura Teruhiko and others in the room.
• Kazehara Tetsu listens to Majima Tomoya's explanation of the exam, showing no reaction, unlike other students.

Key Plot Points and Events

• The rules for the Special Exam are explained by Majima Tomoya.
• Kazehara Tetsu (Kagihara) and Takemoto Shigeru (Takemoto) discuss the exam in the hallway.
• Ichinose Honami (Honami) approaches Kagihara, seeking his plans for the exam.
• Kagihara proposes to Honami that they work together to earn points by identifying the Favored One.

Character Developments

• Kazehara Tetsu (Kagihara): He is calm, composed, and strategic, already planning ahead for the exam. He is also confident and direct, proposing a risky alliance to Honami.
• Ichinose Honami: She is cautious and responsible, considering the implications of Kagihara's proposal on her class. She is also surprised and shocked by Kagihara's boldness.
• Takemoto Shigeru: He is casual and unconcerned, taking the exam in stride. He is also cooperative, agreeing to share information with Kagihara.

Significant Themes

• Competition: The exam fosters competition between classes, with each class seeking to earn points and outperform others.
• Risk and Reward: Kagihara's proposal involves a high risk for potentially high rewards, reflecting the theme of risk-taking in pursuit of success.
• Trust and Alliances: The proposal also touches on the theme of trust and alliances, as Kagihara seeks to collaborate with Honami despite the risks involved.

Character Interactions

• Kazehara Tetsu and Takemoto Shigeru: They discuss the exam, with Takemoto showing deference to Kagihara's leadership and agreeing to share information.
• Kazehara Tetsu and Ichinose Honami: They discuss their plans for the exam, with Kagihara making a bold proposal and Honami expressing caution and surprise. Despite their different approaches, they maintain a friendly and respectful tone.

Key Plot Points and Events

• Kazehara Tetsu and Ichinose Honami have dinner together at the ship's dining hall, enjoying a variety of dishes.
• They discuss trivial topics, including a highly-rated strawberry milk drink and a mystery novel.
• After dinner, they take a stroll on the deck, hoping to see stars but finding the sky cloudy.

Character Developments

• Ichinose Honami shows her human side, enjoying simple pleasures like good food and conversation.
• Kazehara Tetsu demonstrates his calm and considerate nature, showing genuine interest in Honami's thoughts and feelings.

Significant Themes

• The beauty of the present moment, regardless of external circumstances (e.g., the cloudy sky).
• The importance of taking breaks and enjoying simple pleasures amidst academic pressures.

Character Interactions

• Kazehara Tetsu and Ichinose Honami engage in a comfortable, natural conversation, showing a growing closeness and mutual understanding.
• They share a relatively intimate moment on the deck, with Honami expressing her contentment in their shared company despite the cloudy sky.

Key Plot Points and Events

• The night before the exam, Ichinose Honami and Kazehara Tetsu discuss the exam's format and decide to retire early.
• The next morning, Kazehara Tetsu receives his exam result, confirming he's not the Favored One.
• In the afternoon, the students gather for the Group Discussion. Kazehara Tetsu arrives last, causing a tense atmosphere.
• Ichinose Honami suggests a strategy where everyone works together to find the Favored One and submit the correct answer, benefiting all participants.

Character Developments

• Ichinose Honami: She shows leadership and idealism by proposing a strategy that benefits everyone, aligning with her 'Good Person' persona.
• Kazehara Tetsu: He remains calm and composed upon receiving his exam result, indicating his understanding of the exam's dynamics.
• Ayanokoji Kiyotaka: He observes the situation quietly, showing no reaction to the developments.

Significant Themes

• Trust and Suspicion: The exam fosters an atmosphere of mistrust among the students, as they try to guess who the Favored One is and whether others are being honest.
• Cooperation vs. Competition: Ichinose Honami's proposal encourages cooperation, but some students like Manabe Shiho remain suspicious and competitive.

Character Interactions

• Ichinose Honami and Kazehara Tetsu: They discuss the exam format and decide to retire early, showing a friendly relationship.
• Ichinose Honami and the other students: She leads the discussion, trying to build consensus and trust among the students.
• Ibuki Mio and Kazehara Tetsu: Ibuki Mio seems particularly interested in Kazehara Tetsu, possibly suspecting him of being the Favored One.

Key Plot Points and Events

• Kazehara Tetsu reveals he knows the identities of Class B's "Favored Ones," nullifying Ichinose's cooperation proposal.
• Manabe Shiho accuses Karuizawa Kei of bullying a girl named Rika, threatening to expose her if she doesn't apologize.
• Karuizawa Kei panics and looks for help, her gaze landing on Kazehara Tetsu in Class A.

Character Developments

• Kazehara Tetsu demonstrates his intelligence and insight by uncovering Class B's strategy.
• Karuizawa Kei shows vulnerability and desperation as she faces exposure of her past actions.
• Manabe Shiho displays her aggressive and intimidating nature.

Significant Themes

• Power dynamics and manipulation (Kazehara Tetsu's revelation, Manabe Shiho's bullying).
• Past actions catching up to characters (Karuizawa Kei's bullying incident).
• The struggle for control and initiative in negotiations (Ichinose vs. Kazehara Tetsu).

Character Interactions

• Kazehara Tetsu and Ichinose Honami: Silent communication and power play.
• Manabe Shiho and Karuizawa Kei: Confrontation and intimidation.
• Karuizawa Kei and various classmates: Desperate search for help, finding none.

Key Plot Points and Events

• Karuizawa Kei seeks help from Class A to stop Manabe Shiho from sending compromising photos of her.
• Kazehara Tetsu intervenes, convincing Manabe to put away her phone by warning her about disrupting the exam order.
• The first round of discussions ends without any group guessing the Favored One correctly.
• Kazehara Tetsu and Ichinose Honami meet privately to discuss the Favored One list.

Character Developments

• Kazehara Tetsu demonstrates his calm and composed demeanor, showing his ability to handle conflicts without resorting to violence or direct confrontation.
• Karuizawa Kei shows vulnerability and desperation, seeking help from Class A despite her pride.
• Ichinose Honami struggles with the revelation about the Favored One list, trying to reconcile it with her belief in Kazehara Tetsu's integrity.

Significant Themes

• Power dynamics and manipulation: Kazehara Tetsu uses his influence and calm demeanor to defuse a conflict without directly confronting Manabe.
• Trust and deception: Ichinose Honami grapples with the reality of the Favored One list, questioning her trust in Kazehara Tetsu and the school's system.
• The consequences of actions: Manabe's actions could have severe repercussions, not just for Karuizawa, but for the entire exam process.

Character Interactions

• Kazehara Tetsu and Manabe Shiho: Kazehara's calm warning causes Manabe to back down, showing his ability to assert dominance without resorting to violence.
• Kazehara Tetsu and Ichinose Honami: Their private conversation reveals their mutual respect and understanding, as well as Ichinose's struggle with the Favored One list's implications.
• Karuizawa Kei and Kazehara Tetsu: Though brief, their interaction shows Karuizawa's desperation and Kazehara's calm, collected demeanor.

Key Plot Points and Events

• Kazehara Tetsu (Class A) proposes a deal to Ichinose Honami (Class B) to exchange Class Points for Personal Points.
• The deal involves Class A providing Class B with the names of the Favored Ones in three groups where the Favored One is from Class A, in exchange for Class B paying each Class A student 15,000 Personal Points per month until graduation.
• Class A gains tangible Personal Points, and Class B gains Class Points, preventing other classes from obtaining them.

Character Developments

• Kazehara Tetsu demonstrates his strategic thinking and business acumen, prioritizing personal gain while benefiting his class.
• Ichinose Honami shows her leadership and responsibility, considering the interests of her entire class and the potential consequences of the deal.

Significant Themes

• The importance of Personal Points vs. Class Points in the school's hierarchy and graduation.
• The strategic use of information and deals to gain advantages in the exam.
• The responsibility of class leaders and the need to consider the whole class's interests.

Character Interactions

• Kazehara Tetsu and Ichinose Honami discuss the deal, with Kazehara manipulating the situation to his advantage and Ichinose considering the implications for her class.
• Ichinose Honami expresses gratitude towards Kazehara, but he responds with a lecherous comment, highlighting his unapologetic nature.
• Ichinose Honami decides to gather her class for a meeting to discuss the deal, showing her leadership and responsibility.

Key Plot Points and Events

• The second group discussion session begins with a tense atmosphere.
• Ichinose Honami silently conveys Class B's agreement to Kazehara Tetsu's proposal via a private message.
• Manabe Shiho from Class C bullies Karuizawa Kei from Class D, causing tension and discomfort.
• The discussion ends with everyone eager to leave.
• Ichinose Honami and Kazehara Tetsu meet with Hoshinomiya Chie, Ichinose's homeroom teacher, to witness their agreement.

Character Developments

• Ichinose Honami shows growth as a leader by persuading her classmates to accept Kazehara's proposal for the sake of their class.
• Kazehara Tetsu demonstrates his calm and composed demeanor when dealing with Hoshinomiya Chie's playful teasing.
• Karuizawa Kei feels abandoned and fearful due to Kazehara's indifference to her situation.

Significant Themes

• Leadership and responsibility (Ichinose Honami's actions)
• Manipulation and power dynamics (Kazehara Tetsu's proposal and Class C's bullying)
• Fear of abandonment and isolation (Karuizawa Kei's situation)

Character Interactions

• Ichinose Honami and Kazehara Tetsu: They negotiate and communicate through messages, showing mutual respect and understanding.
• Manabe Shiho (Class C) and Karuizawa Kei (Class D): Manabe bullies Karuizawa, highlighting the class dynamics and power struggles.
• Kazehara Tetsu and Hoshinomiya Chie: They interact playfully, with Hoshinomiya teasing Kazehara about his intentions with Ichinose.

Key Plot Points and Events

• Ichinose Honami and Kazehara Tetsu propose a deal to Hoshinomiya Chie: Class B will transfer 15,000 Personal Points to Class A monthly in exchange for 150 Class Points.
• Hoshinomiya Chie agrees to act as a witness for the deal, acknowledging its legality but expressing concern about the psychological implications for Class B students.
• Kazehara Tetsu presents a prepared agreement, which Ichinose Honami and Hoshinomiya Chie sign.

Character Developments

• Kazehara Tetsu demonstrates his strategic thinking and preparedness, showing no signs of underestimating Class B.
• Hoshinomiya Chie shows concern for her students' mental well-being and unease about Kazehara Tetsu's influence.
• Ichinose Honami remains determined and resilient despite the heavy debt her class has agreed to.

Significant Themes

• The power dynamics between classes and the potential psychological effects of debt.
• The school's principle of 'Might Makes Right' and the limited role of teachers in student competition.

Character Interactions

• Kazehara Tetsu and Hoshinomiya Chie engage in a tense yet respectful exchange, with Hoshinomiya Chie acknowledging Kazehara Tetsu's understanding of the rules.
• Ichinose Honami and Hoshinomiya Chie share a moment of camaraderie, with Hoshinomiya Chie expressing concern for Ichinose Honami's well-being.

Key Plot Points and Events

• The exam ends abruptly for all groups except "Rat," "Rooster," and "Boar" within a minute.
• Kazehara Tetsu and Hashimoto Masayoshi submit their answers at exactly 8:30 PM.
• The school sends notifications of exam conclusion for each group.

Character Developments

• Kazehara Tetsu demonstrates his strategic thinking and confidence in his decisions.
• Hashimoto Masayoshi shows apprehension and admiration for Kazehara's strategies.

Significant Themes

• The importance of simple, overlooked logic in problem-solving.
• The consequences of underestimating one's opponents (other classes).

Character Interactions

• Kazehara Tetsu and Hashimoto Masayoshi discuss their strategies and the exam's outcome.
• Kazehara Tetsu expresses caution about absolute statements, hinting at potential challenges ahead.

Key Plot Points and Events

• The exams end earlier than expected, giving students extra free time on the cruise.
• Kazehara Tetsu asks Shiina Hiyori to keep an eye on Manabe Shiho's movements, particularly regarding any actions against Karuizawa Kei.

Character Developments

• Kazehara Tetsu: Shows strategic thinking and concern for Karuizawa Kei's safety.
• Shiina Hiyori: Demonstrates loyalty and willingness to help Kazehara Tetsu, even with simple requests like having a meal together.

Significant Themes

• Manipulation and power dynamics among students.
• The impact of unexpected free time on relationships and plans.
• Trust and loyalty among friends.

Character Interactions

• Kazehara Tetsu and Shiina Hiyori: Their interaction shows a growing bond, with Hiyori eager to help Tetsu and Tetsu willing to accommodate Hiyori's simple requests.
• Implicitly, Manabe Shiho and Karuizawa Kei: Their potential conflict is hinted at, driving Tetsu's request to Hiyori.

Key Plot Points and Events

• Kazehara Tetsu plans to lure Manabe Shiho and Karuizawa Kei into a trap using Shiina Hiyori and Kushida Kikyo.
• Ryuen Kakeru confronts Kazehara Tetsu, seeking to understand how Class A solved the exam's trick so quickly.
• Kazehara Tetsu reveals that he guessed the solution to the exam's trick.

Character Developments

• Kazehara Tetsu: Shows his manipulative and patient nature in planning the trap. He remains calm and composed when confronted by Ryuen Kakeru.
• Ryuen Kakeru: Despite his defeat, he remains determined and curious. He shows his sharp intuition in suspecting Kazehara Tetsu's involvement in solving the exam's trick.

Significant Themes

• Manipulation and strategy: Kazehara Tetsu's plans to lure Manabe Shiho and Karuizawa Kei into a trap highlight the manipulative nature of the characters and the game they're playing.
• Intelligence and deduction: Ryuen Kakeru's curiosity about how Class A solved the exam's trick emphasizes the importance of intelligence and deduction in their competitive dynamics.

Character Interactions

• Kazehara Tetsu vs. Ryuen Kakeru: Their tense interaction reveals their mutual respect and understanding of each other's capabilities. Despite their rivalry, they share a level of intellectual curiosity and respect.
• Kazehara Tetsu vs. Manabe Shiho and Karuizawa Kei: Kazehara's plan to trap them shows his manipulative nature and his desire to maintain control over the situation.
• Kazehara Tetsu vs. Shiina Hiyori and Kushida Kikyo: Kazehara uses Hiyori to lure Manabe and plans to use Kushida to lure Kei, highlighting his willingness to use others to achieve his goals.

Key Plot Points and Events

• Kazehara Tetsu (Class A) meets with Ryuen Kakeru (Class C) to discuss the recent special exam. Ryuen is suspicious of Kazehara's claim that he guessed the exam's content.
• Kazehara later meets with Kushida Kikyo (Class D) in the lounge. He confesses his "feelings" for Karuizawa Kei (Class D), using this as a pretense to ask Kushida for help in approaching Kei.

Character Developments

• Kazehara Tetsu: Reveals himself as a strategic and manipulative character, using his "crush" on Kei as a ploy to gain information or advantage.
• Ryuen Kakeru: Shows his competitive and suspicious nature, easily angered when he thinks he's being deceived.
• Kushida Kikyo: Demonstrates her exceptional acting skills, maintaining her facade despite being surprised and disgusted by Kazehara's confession.

Significant Themes

• Deception and Manipulation: Kazehara uses his "feelings" for Kei to manipulate Kushida into helping him.
• Perception vs Reality: Characters' appearances and actions often belie their true intentions and feelings.

Character Interactions

• Kazehara Tetsu & Ryuen Kakeru: Their interaction highlights their competitive nature and mutual suspicion.
• Kazehara Tetsu & Kushida Kikyo: Kazehara uses his confession to manipulate Kushida, while she maintains her facade despite her disgust.

Key Plot Points and Events

• Kazehara Tetsu asks Kushida Kikyo to help him set up a private confession spot for Karuizawa Kei.
• Manabe Shiho receives an anonymous message offering help to take revenge on Karuizawa Kei.

Character Developments

• Kazehara Tetsu shows manipulative behavior, using emotional blackmail to convince Kushida Kikyo to help him.
• Manabe Shiho is revealed to be vengeful and seeks retribution against Karuizawa Kei.

Significant Themes

• Manipulation and deception: Kazehara Tetsu manipulates Kushida Kikyo, and an anonymous sender manipulates Manabe Shiho.
• Revenge: Both Manabe Shiho and the anonymous sender are driven by a desire for revenge against Karuizawa Kei.

Character Interactions

• Kazehara Tetsu interacts with Kushida Kikyo, manipulating her into helping him.
• Manabe Shiho interacts with her friends, expressing her dislike for Karuizawa Kei.
• An anonymous sender interacts with Manabe Shiho, offering help in taking revenge on Karuizawa Kei.