Recaps

Sing Sing investigated Kobayashi Amiko’s connection to Wolverine and learned the school’s confidential records were kept in a guarded building. He gathered clues about the patrol and planned another nighttime break-in, leaving the investigation poised to continue.

• Sing Sing questioned Yukio, who recalled that Mariko claimed Amiko was adopted from a collateral branch and had a Toyo High School invitation marked for a person under special guardianship.
• Sing Sing asked Yukio to obtain something Amiko had used and decided to investigate the school himself.
• Sing Sing tried to gain access to the records room, but Kumiko Yamaguchi warned him about its alarms and surveillance.
• Ichirai Hisako told Sing Sing that student records were in the North Administration Building and drew him the night patrol route.
• Sing Sing practiced with Saeko Busujima while watching the old school building, then left, intending to spend another sleepless night investigating.

Sing Sing broke into Toyo High School’s archives and uncovered secret files identifying his deskmate, Ichirai Hisako, as a Mutant and the monster beneath the school as Ueda Kenji, a former subject of experimentation. He realized the school concealed an ongoing program that transformed people into weapons and resolved to find more information about its leaders and missing victims.

• Sing Sing evaded a security guard and searched the school archives, where he found a section of records removed and obscured.
• Sing Sing used Wenxi’s signal-disguise probe to open a concealed electronic door behind a cabinet.
• Sing Sing found a secret file identifying Ichirai Hisako as a Mutant enrolled in his class, with her ability and handlers’ details blacked out.
• Sing Sing discovered Ueda Kenji’s file and recognized him as the mechanically altered monster beneath the old school building.
• Sing Sing learned that Ueda had been sent to the Underground Adaptive Correction Zone and concluded that the school was conducting human experiments.
• Sing Sing decided to seek information about Wolverine’s child, the missing martyrs, and the school’s management network.

Sing Sing found Kobayashi Amiko’s secret file and learned that she had no X-Gene despite being under the school Council’s special supervision. The next day, he saw her throw a bully with a judo move, then she confronted him for spying.

• Sing Sing discovered Kobayashi Amiko’s file, which showed she was a normal human placed under the school Council’s special supervision.
• Sing Sing escaped the school grounds during a commotion caused by students climbing the perimeter wall.
• Sing Sing tested Ichirai Hisako’s reaction with a drawing of transformed Ueda Kenji, and she briefly tensed when she saw it.
• Sing Sing found Kobayashi Amiko being harassed by three delinquent girls near the girls’ restroom.
• Kobayashi Amiko threw the leader into a trash can and chased the other delinquents away.
• Kobayashi Amiko spotted Sing Sing watching from the corner and challenged him.

Sing Sing learned that Kobayashi Amiko’s deadly martial arts came from the Yashida family’s training and that the school board was targeting her for a possible Healing Factor. Ichirai Hisako revealed she was a mutant and warned that the board planned to use Wolverine’s descendants in its mechanical chimera experiments.

• Sing Sing questioned Mitsuhashi and Ito about Kobayashi Amiko and learned she kept to herself, had a short temper, and was picked up by a black car.
• Yukio told Sing Sing that Mariko had arranged for Amiko to learn close-quarters self-defense while believing it was ordinary fitness training.
• Saeko Busujima asked Sing Sing for swordsmanship advice, and his improvised words inspired her to develop an unusual attack; she also mentioned hearing clanging in the dojo at night.
• Ichirai Hisako confronted Sing Sing about entering the archives, revealed her mutant armor and suppression tracker, and said the board turned mutants who disobeyed into material for chimera experiments.
• Hisako warned Sing Sing that the board had contacted Silver Samurai and intended to target Wolverine’s Japanese descendant; Sing Sing realized Kobayashi Amiko might possess a Healing Factor the board wanted for its experiments.

Sing Sing uncovered the connection between the school’s human-chimera experiments and Abraham Cornelius, a former Weapon X scientist who had worked on Logan. As the board’s review approached and the experiments threatened Kobayashi Amiko, Sing Sing decided he could not afford to investigate the tangled case slowly.

• Ichirai Hisako warned Sing Sing that the board would review its subjects’ activity records on Friday, and he told her to keep quiet and attend class as usual.
• Sing Sing sent Logan the school’s monster footage and Ueda Kenji’s files; Logan recognized Abraham Cornelius’s signature and recalled Cornelius overseeing his Weapon X experiments.
• Sing Sing reasoned that Cornelius needed the board’s funding and connections to run the school laboratory, while Logan offered to come help and Sing Sing refused to avoid alerting their enemies.
• Liu Jianyi reported that Logan had once been close to Itsu, but Itsu’s later disappearance and whether she had a child remained uncertain.
• Sing Sing connected Itsu’s disappearance, Mariko’s adopted daughter, and Yukio’s concealment, but decided to act quickly because Cornelius could target Kobayashi Amiko.

Sing Sing rejected the dean's attempt to force him to withdraw and learned that the school board planned to drive him out through its delinquent gangs. He challenged the entire school to fight at noon, drawing the attention of students and Genji Takiya.

• The dean summoned Sing Sing, accused him of misconduct, and pushed a voluntary withdrawal application across the desk.
• Sing Sing turned the application into a paper airplane, refused to leave, and warned the dean to summon the principal if the school wanted to expel him.
• Ichirai Hisako warned Sing Sing that the board used delinquent gangs to bully students into withdrawing or suffering an accident.
• Sing Sing went to the broadcasting room and challenged every student at Toyo High School to meet him on the playground at noon, calling out Genji Takiya by name.
• Serizawa Tamao, Mitsuhashi Takashi, Ito Shinji, the first-year judo club members, and Izaki Shun reacted to Sing Sing's challenge.

Hoshino Seiichi faced a massive crowd of delinquents on the athletic field and defeated wave after wave of attackers without seriously injuring anyone. As the crowd hesitated after their club leaders fell, Kobayashi Amiko watched in disbelief.

• Hoshino Seiichi insulted everyone gathered on the field, prompting dozens of delinquents to charge him.
• Hoshino Seiichi used precise strikes and footwork to defeat the first two waves, while Mitsuhashi Takashi, Ito Shinji, and Saeko Busujima watched.
• Genji Takiya and Serizawa Tamao observed Hoshino Seiichi's control and decided to let the others test him first.
• Hoshino Seiichi defeated karate, aikido, and judo club leaders Inoue Panghu, Meimiya Akihiro, and Kimura Okuma.
• Kobayashi Amiko recognized Hoshino Seiichi and watched as the remaining club members faltered.

Sing Sing defeated hundreds of Toyo High School delinquents and declared that he wanted a say in school discipline, not control of the school. After he knocked down Serizawa Tamao and Genji Takiya, he asked who the person behind them was.

• Sing Sing fought off hundreds of delinquents, while Mitsuhashi Takashi and Ito Shinji challenged him and were quickly defeated.
• Sing Sing told Serizawa Tamao and Genji Takiya that he wanted to stop the disciplinary office from forcing students out or isolating them without his consent.
• Serizawa Tamao and Genji Takiya attacked Sing Sing together, but he sent both flying into their armies.
• Sing Sing dusted himself off and asked who the person behind Serizawa Tamao and Genji Takiya was.

Sing Sing defeated Hayashida Megumi in a brutal fight at Toyo High School, then declared that the school would have no boss, only rules. The chapter ended with someone in the schoolyard voicing support for his declaration.

• Hayashida Megumi challenged Sing Sing, insisting that anyone who fought through Toyo High School would have to face him.
• Sing Sing and Hayashida Megumi traded close-range attacks, but Sing Sing resisted his strength and outlasted him.
• Hayashida Megumi kept attacking despite Sing Sing’s warnings, until Sing Sing struck him down with a blow to the back of his neck.
• Sing Sing stared down the dean of discipline, fastened his Zhongshan suit, and declared that Toyo High School would have rules instead of a boss.
• Someone in the schoolyard shouted that they supported Sing Sing.

Sing Sing used his victory over Toyo High School’s delinquents to establish control, while Ichirai Hisako warned him that the school’s leaders would retaliate indirectly. Beneath the school, Tennoji Hiroshi, Dr. Abraham Cornelius, and Shingen Yashida planned a traumatic test for Kobayashi Amiko and ordered surveillance of Hoshino Seiichi, leaving Amiko at risk and Silver Samurai preparing to act.

• Sing Sing found the delinquents at Toyo High School treating him as their boss, and Ichirai Hisako warned him that the school’s higher-ups might use underhanded tactics.
• Tennoji Hiroshi dismissed the dean of students’ concerns about Sing Sing and focused on Ueda Kenji’s deteriorating condition and Cornelius’s experiment.
• Dr. Abraham Cornelius argued with Shingen Yashida over the failed M-07 Sample and proposed testing Kobayashi Amiko for a healing factor by staging a severe accident.
• Tennoji Hiroshi approved the test within a week and said Ueda Kenji would undergo retrieval if it yielded no usable data.
• Tennoji Hiroshi ordered an investigation into Hoshino Seiichi’s possible ties to the 749 Bureau, and Shingen Yashida told an associate to watch him and prepare Silver Samurai.

Sing Sing took Ichirai Hisako to an abandoned construction site, where she demonstrated her armored power and told him about the school’s history of human experimentation. As she explained the Council’s ongoing experiments, four masked figures ambushed them, and Sing Sing prepared to fight.

• Sing Sing and Ichirai Hisako ate ramen, and Sing Sing asked her to show him her power.
• Ichirai Hisako formed towering blue samurai armor and demonstrated its strength by cutting through a concrete pillar.
• Sing Sing invited Ichirai Hisako to work for his bureau, then asked what she knew about the school and its underground experiments.
• Ichirai Hisako explained that the school had been built over a former Japanese Army experimental base and that the Council continued experiments on students.
• Sing Sing spotted a hidden observer, pulled Ichirai Hisako behind him, and faced four black-clad attackers who leaped from the darkness.

Sing Sing uncovered no leads from the dead ninjas and needed a DNA sample to learn what the Council planned for Kobayashi Amiko. He coerced Mitsuhashi Takashi and Ito Shinji into helping him obtain one by threatening to share an embarrassing video of them.

• Sing Sing disarmed and disabled four ninjas, but they killed themselves with poison before he could question them.
• Sing Sing took Ichirai Hisako home, then learned from Yukio that nobody could obtain a DNA sample from Kobayashi Amiko’s belongings.
• Sing Sing decided Mitsuhashi Takashi and Ito Shinji could sneakily collect Amiko’s hair or a used water bottle for him.
• Mitsuhashi and Ito refused, accusing Sing Sing of being a creep and insisting their delinquent pride would not let them steal from a girl.
• Sing Sing played a humiliating video of the pair groveling to him, and they gave in, with Mitsuhashi asking whether he wanted hair pulled out by the root.

Sing Sing sent Mitsuhashi Takashi and Ito Shinji to collect Kobayashi Amiko’s discarded water bottle for a biometric sample, then deleted a humiliating video in front of them. He secretly left the video recoverable in the system recycle bin.

• Sing Sing warned Mitsuhashi Takashi and Ito Shinji to collect only naturally discarded items and threatened them if they invaded Kobayashi Amiko’s privacy.
• Mitsuhashi Takashi tried to flirt with Kobayashi Amiko during PE, but she threw him into the bushes.
• Ito Shinji retrieved Amiko’s discarded water bottle from a recycling bin, and Sing Sing used a biometric probe to scan it and store the sample.
• When Amiko questioned their behavior, Sing Sing passed it off as a student council project about waste sorting and hair loss.
• Sing Sing deleted the video of Mitsuhashi Takashi and Ito Shinji begging for mercy in front of them, while secretly leaving it in the system recycle bin.

Sing Sing organized the school’s delinquents into a volunteer crew to search the archives for evidence of underground experiments. The public records yielded no direct proof, but Sing Sing found documents for an administrative evidence chain and a group photo connecting the principal to Shingen Yashida and medical consultant Abraham Cornelius.

• Sing Sing ordered the protection money spent on bread and oolong tea, then assigned lunch, dinner, and cola to students working on the school history project.
• Fumio Sato tried to keep the delinquents out of the archives, but Sing Sing intimidated him and divided the crew into assigned jobs.
• Genji Takiya’s GPS moved boxes, the Serizawa Army guarded the corridor, the Judo Club moved cabinets, Mitsuhashi Takashi and Ito Shinji checked borrowing records, and Hayashida Megumi kept workers in line.
• Sing Sing’s crew finished searching the public archives, and Sing Sing concluded that no evidence of underground experiments was kept there.
• Sing Sing collected renovation records, staff lists, and annual board reports for the 749 Bureau’s legal review, then found a group photo of Tennoji Hiroshi, Shingen Yashida, and Abraham Cornelius.

Sing Sing learned that Kobayashi Amiko was unrelated to Old Goldhead and had no Healing Factor, leaving his investigation into the experiments beneath the school without its suspected link. Yukio revealed Shingen Yashida had activated the Silver Samurai to kill Sing Sing, just as Liu Jianyi arrived with a lead on Itsu.

• Da Vinci told Sing Sing that Kobayashi Amiko had no genetic connection to Old Goldhead and tested negative for the Healing Factor.
• Sing Sing reconsidered the investigation, concluding that the school’s experiments sought a perfect fusion agent and that its apparent student reform was a cover.
• Yukio arrived after slipping into a split and told Sing Sing that Shingen Yashida had used a secret security fund to activate the Silver Samurai to kill him.
• Liu Jianyi rushed in with a battered diary and announced that he had found a lead on Itsu.

Liu Jianyi found a birth register showing that Logan had a son in Japan, but the records offered no way to identify him. Sing Sing suspected Amiko was being used as bait and agreed to protect her, then spotted a suspicious setup around her at a school ceremony.

• Liu Jianyi showed Sing Sing and Yukio a birth register recording that Itsu had delivered a surviving son who moved with his mother to Tokyo at three months old, but the next page had been torn out.
• Sing Sing concluded that Amiko was not Logan's biological child and suspected she was a decoy in a scheme involving the Yashida Family; Yukio suggested Shingen Yashida was using her to control Mariko.
• Sing Sing agreed to watch over Amiko and told Liu Jianyi to investigate boys who moved to Tokyo by tracing financial ties to the Yashida Family, military remnants, and the Toyo board of directors.
• At Toyo High School's public-service commendation ceremony, Sing Sing sent Mitsuhashi Takashi and Ito Shinji to guard the auditorium's emergency exit.
• Sing Sing found Amiko seated beneath a large chandelier, with narrow aisles obstructed by cameras and tripods, and suspected the arrangement was dangerous.

Sing Sing saved Kobayashi Amiko from a falling chandelier, then injured himself on purpose to avoid suspicion and claim compensation. At the infirmary, he asked Kumiko Yamaguchi whether the school would cover his medical bills and accident insurance.

• Tennoji Hiroshi praised Toyo High School at an assembly while Cornelius watched Kobayashi Amiko, hoping to test her healing factor.
• A chandelier came loose above Amiko, and Sing Sing rushed over, threw her clear, and caught the falling frame.
• Sing Sing cut himself with glass shards and pretended he had failed to hold up the chandelier, while Ichirai Hisako and Kumiko Yamaguchi helped him leave the auditorium.
• Tennoji Hiroshi called the collapse an accident, ordered a safety inspection, and arranged a school commendation for Hoshino.
• The school doctor removed glass from Sing Sing's hand and said he needed a week to recover, and Sing Sing asked Kumiko Yamaguchi about compensation and medical costs.

Sing Sing used a ridiculous song to distract Principal Tennoji Hiroshi while taking the promised scholarship envelope. After the principal left, Sing Sing told Ichirai Hisako he planned to go underground again that night and asked her to cover for him.

• Toyo High School announced that Hoshino Seiichi would receive an honorary title, a certificate, and a 100,000-yen scholarship for saving students.
• Sing Sing ate chicken wings in the hospital as Ichirai Hisako worried that his behavior would expose their deception.
• Tennoji Hiroshi visited with the certificate and envelope, questioned Sing Sing's supposed injuries, and suspected he might be a threat to his plans.
• Sing Sing started singing about chicken wings, drawing Tennoji and Ichirai into an absurd chorus that derailed the principal's interrogation.
• Sing Sing took the envelope and sent Tennoji away, then asked Ichirai to cover for his planned trip underground that night.

Sing Sing bypassed the guarded entrance to the underground floors and discovered a hidden observation area arranged like a mansion. There, he found a bowl belonging to the missing Gu Qingshan, called Blue Oni, before a grotesque creature confronted him.

• Sing Sing faked sleeping in the ward, then escaped into the old school building at night.
• After finding infrared sensors blocking his usual route, Sing Sing entered the school doctor's duty room and uncovered a tunnel behind a medicine cabinet.
• Sing Sing used the tunnel to reach an abandoned control room, where he activated a concealed elevator panel marked B2 Life Adaptation Observation Area.
• Sing Sing descended to B2 and explored a mansion-like space filled with Chinese furnishings and landscape paintings.
• Sing Sing found an enamel bowl bearing Gu Qingshan's name and the words Blue Oni, then heard something approaching.
• A huge-headed, blue-green creature emerged from the corridor and asked Sing Sing if he had come to eat it too.

Sing Sing encountered a monstrous creature in the underground mansion and fled through its corridors while searching for safety. He uncovered a concealed surveillance room and found sealed files signed by Morikawa Kiyoshi.

• Sing Sing recognized Gu Qingshan's voice, but the shriveled figure transformed into a towering monster and attacked him.
• Sing Sing cut off the monster's arm, but it regenerated, so he ran through the mansion as it pursued him and appeared around corners.
• Sing Sing hid in a wardrobe until the monster left, then discovered the mansion was filled with puzzles and combination locks.
• Sing Sing used Da Vinci's Ear Pick Probe to open a hidden bookshelf entrance and entered a concealed surveillance room.
• Sing Sing found records of the monster's experiments, broke open a military safe, and discovered sealed envelopes bearing Morikawa Kiyoshi's signature.

Sing Sing uncovered the records of the God-Making Project and learned how Gu Qingshan had been tortured into becoming the Blue Oni. As the monster approached the surveillance room, Sing Sing chose to confront it and vowed to take Gu Qingshan and the thirty-two dead compatriots home.

• Sing Sing examined the film and reports identifying the Blue Oni as Gu Qingshan, a twenty-two-year-old man from Zhili.
• Sing Sing learned that Kurokawa Sōichi had forced the cells and tissues of thirty-two compatriots into Gu Qingshan to create a weapon capable of accommodating thirty-three abilities.
• The records explained that the experiment killed the thirty-two compatriots and transformed Gu Qingshan into the Blue Oni, while researchers used electric shocks to suppress his remaining humanity.
• Sing Sing read the Blue Oni survival rules and stored the documents in his Mini Dimensional Box.
• When the Blue Oni approached the disguised surveillance-room wall, Sing Sing drew his Pig Butchering Knife and vowed to take Gu Qingshan and the thirty-two compatriots home.

Sing Sing destroyed the fusion core sustaining Gu Qingshan, ending his suffering and gathering his remains to take home. He then set off bombs to demolish the facility and escaped upward as B2 collapsed.

• Sing Sing tried to reach Gu Qingshan through a song and memories of home, but electrodes shocked the Blue Oni and erased his returning clarity.
• Sing Sing fought the regenerating Blue Oni and realized that the fusion core beneath his breastbone sustained the monster’s body.
• Sing Sing used the Tathagata Divine Palm to shatter the core, and Gu Qingshan returned to his human form before turning to ash.
• Gu Qingshan asked Sing Sing to take him home, and Sing Sing carefully collected all his ashes in a tin box.
• Sing Sing planted Wenxi’s special bombs throughout the facility and ran toward the elevator shaft as B2 collapsed.

Cornelius identified Ling Ling Qi, whose public identity was Stephen Chow, as the agent who destroyed B2, while Tennoji Hiroshi and Shingen Yashida planned to capture him and pressure him through the school. When the school’s enforcers attacked his classmates and Kumiko Yamaguchi, Sing Sing arrived and declared he was done pretending to be an ordinary student.

• Cornelius identified the man who had destroyed B2 as China's 749 Bureau agent Ling Ling Qi, publicly known as Stephen Chow, and urged that he be taken alive.
• Tennoji Hiroshi ordered the field team to lock down the school and use Sing Sing’s associates to force him to deal with the situation.
• The dean announced Hoshino Seiichi’s expulsion and ordered his desk destroyed, prompting the blond and red-haired delinquents to resist the guards.
• Kumiko Yamaguchi intervened to protect her students, but the security captain slapped her as Serizawa Tamao, Genji Takiya, and other delinquents gathered to defend the class.
• Sing Sing struck the captain’s baton with a toothpick, entered the classroom, and announced that he was done pretending to be an ordinary student.

Sing Sing exposed Principal Tennoji Hiroshi and the school board’s experiments on students, triggering a riot at Toyo High School. As Sing Sing fought the security forces and underground operatives moved to capture their target, Mariko Yashida and Yukio arrived to save Kobayashi Amiko.

• Sing Sing summoned the students to the rooftop and showed them photographs of victims transformed by the school’s experiments.
• Hayashida Megumi called for the students to tear down the school, and hundreds of delinquents launched a riot against the security guards.
• Sing Sing fought a group of ninja operatives on the rooftop while Cornelius ordered a special operations team to capture the target.
• Three men cornered Kobayashi Amiko and tried to inject her, but an SUV burst onto campus and forced them to release her.
• Mariko Yashida and Yukio stepped out of the SUV, and Yukio cut one of Amiko’s attackers while Mariko confronted the others.

Mariko Yashida shielded Amiko from Shingen Yashida’s killers, but Silver Samurai arrived and attacked them before Sing Sing intervened. Cornelius released nerve sedative throughout Toyo High School, leaving Sing Sing as the only person still standing in the hall.

• Mariko protected Amiko while Yukio killed the three attackers sent by Cornelius.
• Shingen accused Mariko of hiding Amiko’s connection to Wolverine and claimed her Healing Factor could grant the Yashida Family immortality.
• Silver Samurai crashed through the school’s dome and swung his massive katana at Mariko, Amiko, and Yukio.
• Sing Sing kicked Silver Samurai off balance, then learned from Mariko that the armored fighter was her half-brother Harada Kenuichio.
• Cornelius activated the school’s nerve sedative, causing fighters and Mariko, Amiko, and Yukio to collapse.
• Silver Samurai turned toward Sing Sing, the only person still standing in the hall.