Chapter Summaries

Duke used Sage Art: Ice Release: Absolute Zero Freezing Air to freeze the Nine-Tails and its Tailed Beast Ball, stopping the beast’s rampage. Minato returned with Kushina and newborn Naruto, while Duke learned that Obito had escaped with help from a mysterious man who used Wood Release.

• Duke unleashed Absolute Zero Freezing Air through the Blue-Ice White Night Dragon as the Nine-Tails prepared a Tailed Beast Ball.
• The freezing attack turned the battlefield and the Nine-Tails into ice, while the Tailed Beast Ball cracked and vanished.
• Hiruzen Sarutobi and the Konoha ninja witnessed Duke’s power and recognized that no one in the village could restrain him.
• Minato told Duke that Obito had escaped underground with help from a half-black, half-white stranger who used Wood Release and concealed his presence.
• Minato returned with Kushina and newborn Naruto, and Duke realized the moment had finally arrived.

Minato sealed half of the Nine-Tails into himself and the other half, along with Kushina's chakra, into Naruto before dying with Kushina. Duke froze the couple in an ice coffin and took responsibility for Naruto.

• Kushina lamented that she would not live to see Naruto grow up, and Minato promised that she would.
• Minato decided to use the Reaper Death Seal, sealing half of the Nine-Tails into himself and the remaining half with Kushina's chakra into Naruto.
• Minato entrusted Naruto to Duke and died beside Kushina after Bleach struck him with its blade.
• Duke used Ice Release to freeze Minato and Kushina in an ice coffin, intending to awaken them later.

Duke faced Konoha’s leaders over custody of Naruto, Minato’s son and the new Nine-Tails Jinchuriki, while revealing that the Nine-Tails’ attack involved the Rinnegan and a man claiming to be Uchiha Madara. The leaders recognized they could not force Duke to surrender Naruto, and the meeting turned toward compromise.

• Duke’s refusal to hand Naruto over sparked a public uproar after he staged an injury and villagers rallied to protect Konoha’s hero.
• Duke told Hiruzen Sarutobi, Danzo, the elders, Jiraiya, and Zixiao that six enemies had wielded the Rinnegan and another had controlled the Nine-Tails while calling himself Uchiha Madara.
• Hiruzen questioned whether the attacker was truly Madara and whether the Rinnegan was real, while Jiraiya kept his own knowledge of the Rinnegan secret.
• Danzo demanded that Naruto be placed in the village’s custody, but Duke argued Minato had entrusted Naruto to him and challenged Danzo over his arm and ties to Orochimaru.
• Duke declared that Naruto was Minato’s son, not the Nine-Tails, and demonstrated his power by freezing his tea as Hades growled at the elders.
• Homura Mitokado and Utatane Koharu called Duke too dangerous, but the leaders recognized his strength and popularity left them with little choice but to seek a compromise.

Duke agreed to Konoha's terms for Naruto's custody and schooling while warning Danzo against Root interference. Later, he activated a hidden laboratory and accelerated a cloned infant's growth, then turned to the Shinigami Masks of Hidden Eddy Village.

• Duke agreed that Naruto would attend the Ninja Academy and take the Uzumaki surname.
• Duke rejected Danzo's demand to thaw Minato and Kushina's bodies, then warned him that he remembered Root's actions at a village on the Land of Water's border.
• Hiruzen assigned Minato's trusted Anbu to protect Naruto, and Duke insisted on choosing them to keep Root members away.
• After Duke and Jiraiya left, Danzo considered gaining power through Hashirama Cells and the Uchiha Clan's Sharingan.
• Duke entered his hidden underground chamber and used silver liquid to accelerate an infant clone's growth to age eighteen.
• Duke stopped the process and faced a wall bearing more than a hundred Shinigami Masks from Hidden Eddy Village.

Duke used the Shinigami Mask to retrieve Minato’s soul from the Reaper and implanted it into a grown clone, reviving him. Minato woke after three days, confused by his return to life, while Duke teased him with a false claim that Naruto had become Hokage and raised two children.

• Duke found the Shinigami Mask’s unusual chakra and used Sage Mode to draw Minato’s soul out of the Reaper.
• Duke placed Minato’s soul into a grown clone prepared to resemble his original body.
• Duke used Medical Ninjutsu to clear Minato’s meridians and help stabilize the chakra forming in his body.
• Minato woke up and mistook Duke, still wearing the Shinigami Mask, for the Reaper before recognizing him.
• Duke told Minato he had slept for thirty years and that Naruto had become Hokage, then admitted Minato had only been asleep for three days.

Duke explained Minato’s new body and arranged to revive Kushina using a cloned body. Minato brought Kushina’s frozen body to Duke and specified her measurements, leaving Duke doubtful that she had ever looked slim in clothes.

• Minato learned that Duke had restored him in a new body, and Duke explained that the body had far less chakra than Minato’s original one.
• Minato discovered he could use the Nine-Tails’ chakra and traveled to retrieve Kushina’s frozen body.
• Duke extracted Kushina’s soul and began preparing her clone body while Minato brought the ice coffin away without being detected.
• Duke asked Minato whether Kushina’s clone could develop naturally, and Minato insisted that she should look exactly as before.
• Minato gave Kushina’s measurements as 36-21-35, and Duke questioned his claim that she looked slim in clothes.

Duke revived Kushina in a clone body and helped Minato remain hidden so they could protect Naruto from the shadows. Minato and Kushina began adjusting to their new lives, while Duke arranged their covert roles and disguises.

• Duke used the Shinigami Mask to transfer Kushina's soul into a clone body, and she woke beside Minato.
• Kushina learned she had been revived and discovered that her new body had a different figure; Minato comforted her as she fell asleep again.
• Minato thanked Duke for saving him, and Duke explained that he had let Minato die publicly so they could hide from Obito's allies and other threats.
• Duke told Minato to keep his survival secret, even from the Third Hokage, and not to reveal his and Kushina's identities to Naruto without permission.
• Minato recommended Kyo and Vulture as replacements for the Anbu monitors, then revealed that he had secretly used their identities to take Kushina out of the village.
• Duke decided Minato and Kushina would use the Anbu identities, told them to dye their hair black, and struggled to choose new names for them.

Duke settled into his new home with Minato, Kushina, and Naruto, then founded Konoha's S.H.I.E.L.D. branch with Minato. In the Unknown Space, he heard that Zombie Brother World's Duke planned to profit from the coming Waterworks Incident by stockpiling KW74 Enhancers.

• Duke, Minato, and Kushina gathered around Naruto, and Kushina insisted that Duke and Minato teach him ninjutsu when he grew up.
• Minato told Duke he planned to say goodbye to Jiraiya, and Duke discussed recruiting Jiraiya and Orochimaru into their organization.
• Duke rejected Minato's proposed organization names and declared that it would be called S.H.I.E.L.D.
• Duke entered the Unknown Space, where Zombie Brother World's Duke explained that the Waterworks Incident was approaching and that he planned to stockpile KW74 Enhancers for profit.
• Hokage World's Duke doubted that Zombie Brother World's Duke could make money, given his history of losing at every venture.

The Dukes welcomed three newcomers: a Zetton from the Ultraman world, a cultivator from the Calabash Brothers world, and a researcher from A Certain Magical Index. The chapter ended with the researcher recounting his powerless, awkward position in Academy City.

• Zombie Brother World's Duke pitched a dangerous heart-injected enhancement drug with a misleading advertisement, while Naruto World's Duke criticized his scheme and walked away.
• The Dukes exchanged memories with three newcomers and recognized one as Duke Zetton, who described himself as a weak rookie monster that fled the Space Garrison.
• The Dukes learned that Calabash Brothers World's Duke had joined a cultivation sect, reached great completion of the Golden Core realm, and become an elder after nearly two centuries.
• A Certain Magical Index World's Duke explained that he was an ordinary researcher at Academy City's AIM Analysis Institute, unable to use magic or develop superpowers and effectively trapped in the city.

Duke worked an overnight shift for Kiyama Harumi at the AIM Analysis Institute, then went out to buy coffee and entered District 7 despite his fear of running into Kamijou. He reached the convenience store after witnessing strange nighttime events and passing a white-haired stranger.

• Kiyama Harumi woke Duke and ordered him to monitor the experiment and fetch more coffee.
• Duke took out the overflowing trash and headed to a District 7 convenience store.
• Thunder boomed over the cloudless sky as Duke entered District 7.
• Duke watched a spiky-haired boy and a tea-haired girl flee from more than a hundred cleaning robots while alarms sounded.
• Duke reached the convenience store and passed a red-eyed, white-haired person carrying canned coffee.

Duke returned from buying coffee for Kiyama Harumi and got caught in Accelerator’s fight with a Misaka Sister. After surviving gunfire and an explosion, Duke got up and left to deliver the coffee, while Accelerator and the Misaka Sister remained in the street.

• Duke reflected on Kiyama Harumi’s dangerous AIM Burst research and decided to help her.
• Accelerator attacked a Misaka Sister in an alley, and Duke was struck by gunfire while pretending to be dead.
• The Misaka Sister tried to trap Accelerator with a pressure-triggered bomb, but Accelerator emerged unharmed.
• Accelerator prepared to kill the Misaka Sister, but Duke’s phone rang with Kiyama Harumi calling about the coffee.
• Duke stood up, told Accelerator and the Misaka Sister he would not interrupt them, and hurried off.

Aleister monitored Duke’s unexpected encounter with Accelerator and decided to let the new variable test the Absolute Ability User Project. After Accelerator injured a Misaka Sister and challenged Duke, Duke accepted the fight.

• Aleister and a female voice discussed Duke’s survival of the explosion, his possible abilities, and his potential role in ending the Absolute Ability User Project.
• Duke tried to leave while Accelerator questioned him, and the Misaka Sister asked whether he was an experiment observer.
• The Misaka Sister rejected Duke as an unrelated party, but Accelerator hurled her into a wall and knocked her unconscious.
• Accelerator offered to spare the Misaka Sister if Duke beat him, and Duke urged him to seek out Kamijou Touma instead.
• Accelerator threatened to attack, and Duke opened his eyes and accepted the challenge.

Duke confronted Accelerator over the deaths of the Misaka Sisters and demonstrated that his aura could overwhelm Accelerator’s calculations. After avoiding Accelerator’s steel barrage, Duke studied ways to bypass Vector Manipulation and prepared to attack its defenses.

• Duke criticized Accelerator for killing the Misaka Sisters, and Accelerator mocked him as an irrelevant bystander.
• Duke released a powerful aura that froze the air and restrained Accelerator, who could not analyze or repel it.
• Accelerator retaliated by tearing steel from nearby structures and launching a barrage of pillars at Duke.
• Duke escaped the barrage and set the Misaka Sister he had rescued atop a nearby building.
• Duke considered Accelerator’s weaknesses and decided to test whether he could strike at the precise moment Accelerator reversed an attack’s direction.

Duke fought Accelerator, whose reflection ability countered Duke’s attacks and Wave Barrier. After taking severe damage, Duke regenerated his injuries, and the battle continued with Accelerator shaken by his first experience of fear.

• Accelerator charged Duke, but Duke vanished and avoided the attack before setting down the unconscious Misaka Sister and treating her injuries.
• Accelerator guessed that Duke was a Gemstone with spatial abilities and charged him again.
• Duke’s Wave Barrier clashed with Accelerator’s reflection field, and Accelerator’s ability overwhelmed the barrier, sending Duke crashing through a wall.
• Duke teleported behind Accelerator and nearly struck him, but Accelerator’s reflection ability activated and shattered Duke’s right arm.
• Duke regenerated his broken arm and other wounds while Accelerator stood frozen, breathing hard after feeling fear for the first time.

Duke fought Accelerator, using powers from another world after realizing Kihara God Fist could not reliably bypass Accelerator's reflection. Accelerator recognized that Duke's abilities came from another world and eagerly sought to analyze them as Duke began preparing an Absolute Zero attack.

• Duke realized Accelerator's reflection had no predictable timing and that Kihara God Fist could not defeat him without Kihara Amata's research and data.
• Accelerator unleashed a hurricane and a barrage of steel at Duke, who summoned an ice dragon that shielded him and counterattacked with frozen pillars.
• Duke fired an Ice Beam, which Accelerator dodged after discovering that his Vector Manipulation could not control the beam's otherworldly power.
• Accelerator deduced that Duke's abilities came from another world and urged him to attack so he could analyze them.
• Duke invoked the Blue-Ice White Night Dragon and began an Absolute Zero Freezing Air attack against Accelerator.

Duke defeated Accelerator by freezing him with the Blue-Ice White Night Dragon’s Absolute Zero Freezing Air, ending the experiment early. After Duke left, an injured Misaka Sister followed him because she recognized his lab coat as belonging to the researcher closest to her.

• Accelerator reveled in fighting Duke and unleashed a storm of destructive power against the Blue-Ice White Night Dragon.
• The dragon’s Absolute Zero Freezing Air froze Accelerator and the surrounding street, leaving him motionless and apparently lifeless.
• Duke realized Accelerator had nearly found a way to counter the freezing, but had acted too late, and continued toward the convenience store.
• Duke left the injured Misaka Sister behind after directing her toward the hospital, then vanished.
• The Misaka Sister returned to where Duke had been and remained there, having followed him because his lab coat reminded her of a familiar researcher.

Duke brought the injured Misaka Sister to the hospital, where Heaven Canceller treated her and revealed that her clone body was failing and she had less than two years to live. Misaka Sister remained convinced that her life was disposable, while Duke and Heaven Canceller tried to persuade her otherwise.

• Duke found the exhausted Misaka Sister, caught her as she collapsed, and took her to the hospital.
• Misaka Sister clung to Duke until he promised to stay, and he paid for her emergency treatment with Kiyama Harumi's credit card.
• Heaven Canceller treated Misaka Sister and questioned Duke about his connection to the Absolute Ability User Project.
• Heaven Canceller explained that Misaka Sister was a clone whose accelerated growth and stimulants had left her organs failing, giving her less than two years to live.
• Misaka Sister called herself a disposable, cheap life, and Heaven Canceller and Duke insisted that no life was lowly.

The Misaka Sister searched for the meaning of life while Duke learned that Kiyama Harumi planned to use AIM Burst to save her students. After Duke defeated Accelerator, Aleister took an interest in his power and considered bringing him into Academy City’s plans.

• The Misaka Sister asked Duke what gave life meaning, and he and Heaven Canceller failed to explain it before Duke gave her his phone to research the question herself.
• Duke discovered his ID card was missing and found Kiyama Harumi at the institute, where she told him the power outage had halted her experiment and she would be away for a week.
• Duke confronted Kiyama Harumi about AIM Burst and warned her it was dangerous, but she insisted she had to try and left after asking him to seek help for her students if she failed.
• The Hound Dog Unit arrived at the frozen street and found Accelerator encased in ice, learning that he had been defeated.
• Aleister and a mysterious woman discussed Duke’s Ice Dragon and power, and Aleister planned to have him meet an arriving saint from the English Puritan Church.

Duke met Misaka 9800 after she left the hospital, treated her to lunch, and learned that the Absolute Ability User Project had been terminated and that he had been made her guardian. As he considered the consequences of his battle with Accelerator, he overheard Saten Ruiko and Uiharu Kazari discussing urban legends about him.

• Misaka 9800 returned Duke's ID card and told him she had left the hospital early to find him.
• Duke took Misaka 9800 to lunch, gave her his old phone, and learned that she wore protective goggles to see electromagnetic waves.
• Misaka 9800 told Duke the Absolute Ability User Project had ended, the other Misakas had been sent away for treatment, and Duke had been appointed her guardian.
• Duke realized the Board of Directors had involved him because of his battle with Accelerator and worried about being drawn into Aleister's plans.
• Duke overheard Saten Ruiko and Uiharu Kazari discussing new urban legends about a hidden Dragon and Accelerator having been defeated.

Duke led the injured Misaka 9800 away from a fast-food restaurant, where Uiharu, Saten, and Kuroko saw her disappear in an alley. After meeting the real Misaka Mikoto, the girls told her what happened, prompting Mikoto to recall giving her DNA map to a research institute and rush off to investigate.

• Uiharu and Saten spotted the injured Misaka 9800 with Duke, and Duke led her out of the restaurant.
• Kuroko, Uiharu, and Saten chased them into an alley but found that Duke and Misaka 9800 had vanished.
• Misaka Mikoto appeared, and Kuroko attacked her before recognizing her as the real Onee-sama.
• Saten recounted the disappearance to Misaka Mikoto, who wondered whether the other girl was a clone.
• Misaka Mikoto remembered giving a research institute her DNA map and hurried away to investigate.