Chapter Summaries

Ayanokoji led Class D and Class B in holding Lookout Hill against probing attacks from Classes A and C without revealing their surveillance access. As the defenders prepared for another assault, the system gave Ayanokoji a hidden mission to publicly declare that Class D would not lose.

• Ayanokoji told the defenders to wait for the attacks before adjusting their positions so Classes A and C would not discover that they knew the enemy's plans.
• Sudō and the western defenders, aided by two Class B students, repelled Ishizaki's Class C squad, while Ayanokoji used a whistle bluff and a brief ambush to make Katsuragi's Class A squad retreat.
• Ryuen heard that Class D had seemed unprepared and considered whether Ayanokoji had deliberately played along, then decided to wait until dark to attack again.
• Ayanokoji and Hirata discussed why they needed to win as the exhausted defenders rested and prepared for another assault.
• The system assigned Ayanokoji a hidden mission to publicly declare to at least two classes that Class D would not lose, and he began forming a plan.

Ayanokoji’s warning and Class B’s arrival stopped the joint assault by Classes A and C, securing the hill for Classes D and B. With the mission nearly complete, Ichinose accepted that her class had made enemies by choosing to support Class D.

• Ryuen and Katsuragi led Classes C and A in a three-direction attack on the exhausted defenders at Lookout Hill.
• Ayanokoji warned the attackers over the public channel that Class D would not lose and urged them to stop.
• Ichinose arrived with Class B’s twenty-member main force and announced that her class would fully support Class D.
• With the numbers now against them, Ryuen ordered Class C to retreat, and Class A withdrew as well.
• The system declared the limited-time and hidden missions complete and awarded Ayanokoji rewards.
• Ichinose told Ayanokoji she did not regret supporting Class D, and they watched the sunset as night fell.

Class D and Class B won the Perch Dispute, shared the points, and completed Ayanokoji Kiyotaka’s tasks. As the classes returned to camp, Ayanokoji and Horikita Suzune discovered that one Class C student was missing, raising the possibility of a night attack.

• Class D and Class B jointly occupied the site for twenty-four hours, earning 650 points each and a 200-point Tenacity bonus to distribute.
• Ayanokoji Kiyotaka received rewards for completing the island trial and controlling a water source, including Tactical Deduction (Beginner).
• Honami Ichinose warned Ayanokoji that Class A and Class C, especially Ryuen Kakeru, might target their alliance.
• Hirata organized Class D to clear the burned wreckage and rebuild shelters at the beach camp.
• Ayanokoji used Tactical Deduction to consider possible threats, including a Class C raid on the water source.
• Horikita Suzune told Ayanokoji that one of the fifteen Class C students had gone missing, so he ordered Hirata to strengthen the night watch.

Ayanokoji caught Shiho Manabe sneaking into Class D’s camp with a box of powder meant to make Hiyori Shiina sick and undermine the alliance with Class B. Manabe was tied up under guard, and Ayanokoji planned to bring him to Ryuen the next morning.

• Ayanokoji heard someone approach the camp at night and followed the intruder to Hiyori Shiina’s tent.
• Ayanokoji confronted Shiho Manabe, a Class C student, and the camp’s students gathered around them.
• Sudō searched Manabe and found a box of powder and a note describing how it would cause diarrhea and weakness.
• Manabe admitted he was following Ryuen’s orders to make Shiina sick and create conflict between Classes B and D.
• Ayanokoji ordered Manabe tied up and said they would take him to see Ryuen in the morning.
• Sudō guarded Manabe while Hirata urged the camp to rest and promised stronger watches.

Ayanokoji and the Class D–Class B alliance confronted Ryuen over Manabe’s poisoning attempt, and Mio Ibuki exposed Ryuen before defecting to their alliance. After the island exam ended, Ayanokoji received substantial system rewards as the classes returned to school, where new competition awaited.

• Hirata, Ichinose, and Ayanokoji confronted Ryuen at Class C’s camp, but Ryuen denied responsibility and kicked Manabe while dismissing the poisoning attempt.
• Mio Ibuki testified that Ryuen planned the operation, rejected his leadership, and joined the alliance between Classes D and B.
• Ibuki warned Ayanokoji that Ryuen would retaliate as the alliance strengthened and the remaining days of the exam passed peacefully.
• On the exam’s final day, the classes packed their camps and gathered at the pier to board the transport ship.
• Ayanokoji completed the island trial quest and received points, upgraded skills, and the hidden achievement reward before the ship left the island.

After the Uninhabited Island exam, Class D learned that its alliance and other actions had earned it 110 Class Points and first place in the overall evaluation. Ayanokoji then received a summons from Student Council President Horikita, leaving him wary that his performance had attracted unwanted attention.

• Ayanokoji returned to his dorm after the exam and saw the System report his personal points, Class D's new positive balance, and newly available abilities and a special item.
• Sae Chabashira announced that Class D had 110 points, Class B had 85, Class C had fallen to zero, and Class A remained at 1024.
• Chabashira explained that Class D earned points for defending the high ground, completing a hidden task, avoiding withdrawals, and rescuing Hiyori Shiina, while Class C lost points for arson and a failed poisoning attempt.
• Chabashira announced that Class D ranked first in the overall evaluation and told Ayanokoji that Student Council President Horikita wanted to see him after school.
• Yosuke Hirata congratulated Ayanokoji and warned him to be careful, while Ayanokoji suspected the Student Council had summoned him because he had drawn attention.

Ayanokoji learned that Sakayanagi Arisu had noticed him as preparations began for the Sports Festival, where Class D would face new threats and shifting alliances. Ryuen planned to engineer accidents during the events, while Ayanokoji accepted Sakayanagi’s invitation to meet the next day.

• Horikita Suzune warned Ayanokoji that Class A’s unchanged points suggested hidden factors and that Sakayanagi Arisu might be interested in him.
• Horikita Manabu warned Ayanokoji that his growing influence could attract rivals, identified Sakayanagi as a threat, and announced that the Sports Festival would begin the following week.
• Ayanokoji received a system mission to lead Class D to at least second place in the Sports Festival, with seven days remaining.
• Ishizaki told Ryuen that the festival would include a class relay and revised scoring, and that Sakayanagi had met with Ichinose.
• Ryuen ordered Ishizaki to have Albert stage accidents during the relay, targeting Sudo or Ayanokoji.
• Ayanokoji received Sakayanagi’s invitation to meet at the School Cafe and agreed to see her the next day at three.

Ayanokoji met Sakayanagi Arisu, who challenged him to uncover a scoring loophole in the Sports Festival’s Class Relay Race. He accepted their wager and went to the library to investigate the rules.

• Ayanokoji arrived early at the School Cafe and watched the room until Sakayanagi Arisu joined him.
• Sakayanagi questioned Ayanokoji about his hidden abilities and proposed a contest during the Sports Festival.
• Sakayanagi wagered that Ayanokoji would answer one question truthfully if she saw through him, while she would reveal a secret if he won.
• Sakayanagi gave Ayanokoji a hint about a hidden loophole in the Class Relay Race scoring rules and left the cafe.
• A system quest appeared, requiring Ayanokoji to solve one of Sakayanagi’s logical traps, and he went to the library to research the relay rules.

Ayanokoji investigated the relay rules and suspected someone could exploit a scoring adjustment for extreme conditions, while preparing Class D for interference. After Ike slipped on a trace of oil during practice, Ayanokoji realized someone had begun sabotaging the Sports Festival.

• Ayanokoji searched past Sports Festival records for Sakayanagi’s hinted loophole, then joined Hirata’s discussion about assigning Class D’s events and relay runners.
• Ibuki warned Ayanokoji that Ryuen had spoken with Class C athletes and that Ishizaki was asking about Class D’s relay roster.
• Ayanokoji used Situation Insight and learned that the relay race was a likely point of conflict, with Ryuen planning possible retaliation.
• Tachibana gave Ayanokoji the relay rules, including a provision allowing judges to score by time differences in extreme conditions; Ayanokoji and Hirata planned precautions against interference.
• Karuizawa told Ayanokoji that Sakayanagi had approached Kushida, prompting him to ask Karuizawa to watch them discreetly.
• Ike slipped during relay practice, and Ayanokoji found a faint trace of oil on the track and suspected sabotage.

After Kanji Ike injured his ankle, Ayanokoji investigated Sakayanagi’s possible Sports Festival tactics and learned how outside influence might enable a substitute. A new clue about scoring weights led him to head to the library to check the rules.

• Kanji Ike’s ankle sprain forced him to rest for three days, so Ayanokoji assigned the class to tighten training security, find a substitute, and investigate the tampering.
• Ayanokoji used Tactical Deduction to consider substitute runners, then received a message from Sakayanagi Arisu hinting that the rules about substitutes contained a loophole.
• Akane Tachibana told Ayanokoji that injured competitors could be replaced with a doctor’s certificate submitted at least an hour before the relay.
• Ayanokoji confronted Sakayanagi, who explained that an outside doctor tied to a school board member might provide a certificate and hinted that her plan could also be a feint.
• Ayanokoji’s hidden mission progress updated with a clue about scoring weights, and he headed to the library to investigate how substitutions might affect points.

With the Sports Festival less than two days away, Ayanokoji organized Class D’s relay lineup and individual-event strategy while anticipating interference from Ryuen and Sakayanagi. As both rivals prepared schemes targeting him and Class D, Sakayanagi invited Ayanokoji to meet at the Chess Tournament preliminary venue.

• Ayanokoji assigned Class D’s relay runners, placing Sudō fourth and Ibuki last, and recruited classmates for less popular individual events.
• Ayanokoji told Horikita he would skip individual events so he could adjust tactics, and warned that Ryuen and Sakayanagi would not compete fairly.
• Ryuen learned of Class D’s plans and arranged for Albert to crash into their relay handoff zone, then messaged Shiho Manabe about a plan for the next afternoon.
• Sakayanagi told Katsuragi to switch runners during the relay and have Hashimoto disrupt Class D’s Team Obstacle Race.
• Sakayanagi invited Ayanokoji to meet her at the Chess Tournament preliminary venue the next day at three in the afternoon.

Ayanokoji prepared Class D for possible sabotage at the Sports Festival after Sakayanagi warned him about a loophole and Ryuen’s likely plans. With threats also emerging inside the Class B alliance, he received a mission to foil at least three attacks, leaving the contest set to begin the next day.

• Ayanokoji arranged for Karuizawa to plant a fake relay order where Kushida could find it, hoping to mislead anyone she contacted.
• During a chess match, Sakayanagi warned Ayanokoji that Ryuen might sabotage Class D’s equipment or disrupt the Relay Race, and she explained a scoring-rule loophole for interrupted events.
• Ayanokoji told Hirata to inspect the relay team’s equipment and asked Ibuki to identify likely Class C sabotage methods and watch for suspicious activity.
• Ibuki warned Ayanokoji about damaged laces, stones under insoles, adhesive on shoe soles, and possible smoke bombs.
• Ichinose told Ayanokoji that Hashimoto had met with Hamaguchi, raising his suspicion that Class A was trying to weaken the Class B alliance.
• The system assigned Ayanokoji an emergency mission to foil at least three malicious actions against Class D during the Sports Festival.

At the Sports Festival, Ayanokoji watched Class C interfere with Class D’s runners during the obstacle race and relay. Yukimura finished second despite being hurt, while Sudo injured his ankle, leaving Class D last as the relay continued.

• Yukimura finished second in the obstacle race after a Class C competitor deliberately disrupted him and caused him to scrape his knee.
• Ayanokoji set Class D’s relay order and reminded the runners to follow their emergency plan if anything went wrong.
• Hirata passed the baton to Horikita with Class D in second, and the team later fell to third during Hondo’s leg.
• Albert crashed into Sudo in the relay handoff zone and grabbed his ankle, causing him to fall and sprain it.
• Sudo limped through the handoff to Yamauchi as Class D dropped to last, and Ayanokoji’s quest recorded its second malicious act.

Ayanokoji helped Class D climb from last place to second in the relay, then uncovered Class C’s plan to disrupt the indoor events with a fire alarm. He stopped their remote from working, but remained alert for a backup plan.

• Ayanokoji overtook the runners from Classes C and B in the ninth leg, and Mio Ibuki finished second behind Class A.
• Ayanokoji recognized Class A’s substitute runner as a hidden ace and recorded the move as a malicious action, completing his mission progress.
• Sudo learned his ankle sprain would keep him out of the afternoon events, while Ibuki warned Ayanokoji that Class C students seemed to be planning more trouble.
• After receiving a warning from Sakayanagi Arisu about the indoor venue’s fire alarm, Ayanokoji told Yamauchi to prioritize safety and sent Hirata to check the alarms.
• Ayanokoji and Ibuki spotted two Class C students with a remote near a fire hydrant, then arranged for Hirata to distract them while a guard cut power to the smoke detectors.
• The Class C students’ remote failed to trigger the alarm, but Ayanokoji warned that they might have another plan.

Ayanokoji prevented Class C’s balance-beam sabotage, helped Hondo win the directional throwing event, and led Class D to a surprise tug-of-war victory over Class A. Class D finished the first day in second place, while Sakayanagi and Ryuen both warned that the conflict would continue tomorrow.

• Ayanokoji alerted the judges to lubricant hidden in the balance-beam supports, and security guards caught two Class C students trying to sabotage the event.
• Ayanokoji gave Hondo earplugs and advice, helping him score 42 points and win directional throwing against Ishizaki.
• Hamaguchi deliberately let go during Class B’s tug-of-war match against Class D after Class A threatened to reveal information about his brother.
• Ayanokoji instructed three Class D competitors to release the rope in the final against Class A, and Horikita Manabu ruled that the winning tactic did not break the rules.
• Class D finished the first day in second place with 255 points, and Ayanokoji received messages from Sakayanagi and Ryuen warning him about tomorrow.

On the second day of the Sports Festival, Class D suffered more injuries from suspected sabotage, while Ayanokoji defeated Albert in a brutal martial arts match. Afterward, Ayanokoji learned that Class A was pressuring Hamaguchi and that Kushida had been meeting with Manabe, as the afternoon events approached.

• Yukimura and Hondo were obstructed by Class C runners, leaving them in fourth and fifth place, and Ayanokoji urged Yukimura not to be provoked.
• A Class A runner knocked Sakura down during the women's race, forcing her out of the day's events; Horikita Manabu later disqualified the runner.
• Ayanokoji countered Albert's attacks, defeated him in the martial arts match, and won for Class D despite Albert dislocating his own arm to escape a hold.
• Ayanokoji visited Sakura in the infirmary and learned that Sakayanagi had applied to be a special referee for the swimming relay and that Hamaguchi had withdrawn after receiving an anonymous letter.
• Karuizawa told Ayanokoji that Kushida had been meeting with Manabe, and Ayanokoji asked her to watch them cautiously.
• Horikita warned Ayanokoji that Hashimoto might use underhanded tactics in the high jump and said the afternoon matches would be monitored more closely.

Ayanokoji helped Class D finish second in the Sports Festival after defeating Sakayanagi’s attempt to disqualify his relay result. The festival ended with a warning that Kushida was about to make a move, and Ayanokoji suspected Mio Ibuki had sent it.

• Hashimoto won the high jump after Horikita twisted her ankle on a tampered mat, but Horikita refused to withdraw from the swimming relay.
• Ayanokoji reshuffled Class D’s relay lineup and anchored the team to a finish just 0.02 seconds behind Class A.
• Sakayanagi challenged Ayanokoji’s finish as a rule violation, but Ayanokoji cited the correct freestyle rule and the judges upheld Class D’s result.
• Class A won the Sports Festival with 380 points, while Class D placed second with 355 points; Ayanokoji received system rewards for completing his quests.
• Ayanokoji received an anonymous warning that Kushida was about to act and suspected Mio Ibuki was the sender.

After the Sports Festival, Ayanokoji agreed to advise Class D strategically as tensions with Ryuen and suspicion around Kushida grew. He then witnessed Shiho Manabe secretly exchange a USB drive with Hashimoto and resolved to investigate what it contained.

• Hirata asked Ayanokoji to serve as Class D’s tactical adviser, and Ayanokoji agreed on the condition that class information be shared completely.
• Ryuen confronted Class D, threatened to find Ayanokoji’s weakness, and left after Kushida intervened.
• Ayanokoji received Mio Ibuki’s warning about Ryuen gathering private information and a message from Honami Ichinose requesting a meeting the next day.
• Horikita told Ayanokoji that the Student Council had noticed private point transactions involving information and personal secrets.
• Ayanokoji watched Shiho Manabe meet Hashimoto Masayoshi at the warehouse, where she gave him a USB drive in exchange for a thick envelope.
• A system quest prompted Ayanokoji to uncover the transaction’s contents and motives, and he decided to investigate the USB drive.

Ayanokoji investigated Shiho Manabe’s dealings and discovered that she was collecting compromising information while working with Kikyo Kushida, who was preparing a possible move against Class D. After his system report linked Kushida to secret messages about photos, past records, and class transfers, Ayanokoji met Honami Ichinose at the School Cafe.

• Ayanokoji used the school forum and a conversation with Kei Karuizawa to investigate Manabe’s activities and learn that Kushida had marked Karuizawa, Horikita, Sakura, and Ayanokoji as targets.
• Ayanokoji called Mio Ibuki, who revealed that Manabe resented Ryuen, was collecting dirt on people across classes, and had met Kushida privately.
• Ayanokoji concluded that Manabe might be selling sample information and received a system reward that let him investigate one target’s recent secret activities.
• Ayanokoji used the reward on Kushida and found that her anonymous account had exchanged messages about photo deals, past records, and class transfer procedures with several users, including one linked to Manabe.
• Ayanokoji decided to meet Honami Ichinose, who was waiting for him at the School Cafe the next day to discuss an urgent matter.

Ayanokoji advised Ichinose to protect Hamaguchi and preserve the Class B–Class D alliance after Class A threatened Hamaguchi’s family. He then learned Kushida had left Class D’s group chat and appeared to be moving out, prompting him to rush back to the dormitory.

• Ichinose told Ayanokoji that Hashimoto had threatened Hamaguchi using his younger brother’s medical records, dividing Class B and raising doubts about its alliance with Class D.
• Ayanokoji urged Ichinose to protect Hamaguchi, present the Sports Festival incident as an accident, retaliate against Class A, and anonymously report the stolen medical information to the school.
• Ichinose agreed to maintain the alliance and told Ayanokoji that Asahina had heard the upcoming Special Exam might involve cooperation across grade levels.
• Hirata messaged Ayanokoji that Kushida had posted a strange message, left the class group chat, and appeared to be moving out of the dormitory.
• Ayanokoji hurried toward the Class D dormitory as a system quest warned that Kushida’s defection could damage the class and put Kei Karuizawa or Airi Sakura at risk of expulsion.