Chapter Summaries

Kenichi Amamiya studied a miner suffering from radiation sickness and completed the Shinobi World's first implosion-type atomic bomb, naming it Little Fat Man. He chose a target for its first demonstration as part of his plan to annex the Land of Water, though further preparations remained.

• Kenichi Amamiya recorded the radiation sickness symptoms of a miner exposed to uranium and promised him hospital treatment and triple wages.
• Kenichi Amamiya reviewed his stock of uranium-235 and devised a Shadow Clone method to trigger an implosion-type atomic bomb.
• Kenichi Amamiya and his Shadow Clone assembled the first nuclear bomb, and he named it Little Fat Man.
• Kenichi Amamiya considered targets that could intimidate Kirigakure while minimizing losses and settled on a location on the map.
• Kenichi Amamiya decided to make additional preparations before using the bomb to support his annexation of the Land of Water.

Kenichi Amamiya prepared to attack Kirigakure and set the Shinobi World into turmoil, while Nagato’s forces fought Konoha ninja. He revived Shimura Danzō to question him about Konoha’s secrets.

• Nagato controlled the Six Paths of Pain as they slaughtered a Konoha border patrol, while Konan remembered attacking their former teacher Jiraiya.
• Kenichi Amamiya told Minato Namikaze he planned to attack Kirigakure for supplies and to test his nuclear bomb, and Minato agreed to fight in his Impure World Reincarnation body for now.
• Kenichi Amamiya instructed Uchiha Shiori to disguise herself and travel to the Land of Lightning, aiming to make the Shinobi World descend into chaos before his attack on Kirigakure.
• Kenichi Amamiya prepared to involve the Uchiha in the Land of Rice Fields and decided to revive Shimura Danzō for his knowledge of Konoha.
• Shimura Danzō awoke in an Impure World Reincarnation body, recognized Minato Namikaze and Kenichi Amamiya, and was asked how much he knew about Konoha.

Kenichi Amamiya questioned Shimura Danzō about Kirigakure and revealed his plan to unify the Shinobi World. Danzō shared shocking intelligence about Ōnoki and A, while Kenichi considered using it to stir conflict; the chapter ended with Kenichi arriving by airship at the Uchiha settlement.

• Kenichi Amamiya threatened to control Shimura Danzō for refusing to share intelligence, but Danzō began recounting Root’s past operations in Kirigakure.
• Kenichi told Shimura Danzō and Minato Namikaze that he intended to unite the Five Great Nations and strike Kirigakure first.
• Shimura Danzō advised Kenichi to provoke a war between Iwagakure and Kumogakure and revealed secret intelligence about Ōnoki and A.
• Kenichi doubted the intelligence but considered using the scandal to advance his plans, and he thought of someone in Konoha who could help.
• At the Uchiha settlement in the Land of Rice Fields, Sasuke Uchiha told Itachi Uchiha that Shisui seemed restless, then spotted Kenichi’s airship arriving.

Kenichi told Shisui that he planned to attack Kirigakure and annex the Land of Water, and Shisui agreed to commit Uchiha elite ninjas to the plan. Kenichi brought Uchiha Hikari to the Uchiha village for her to adjust to the present, where she met Sasuke and Itachi as the New Year approached.

• Kenichi arrived at the Uchiha village and learned from Shisui that he had become the Uchiha Clan Head.
• Kenichi told Shisui he planned to attack Kirigakure, annex the Land of Water, and use it as a base for future campaigns.
• Shisui agreed to have Uchiha elite ninjas help Kenichi, citing the clan's debt of gratitude to him.
• Kenichi explained that Uchiha Hikari had lived since the Warring States Period after being sealed by her clansmen, and said she needed time to adjust on her own.
• Hikari explored the festive village and bought Dango after meeting Sasuke and Itachi.
• Itachi asked Sasuke about his New Year's wish, and Sasuke wished for good health and for everything to go smoothly.

Kenichi Amamiya spent New Year with Hikari while reports of attacks on Konoha’s border squads and a scandalous rumor about Fourth Raikage A heightened tensions among the villages. His teacher arrived at their meal and said she had discovered something interesting concerning time.

• Kenichi Amamiya asked Hikari about her New Year wish, and she said she wanted to stay with him.
• Kenichi Amamiya greeted Mikoto Uchiha and her sons as they went to visit Fugaku Uchiha’s grave.
• Hiruzen Sarutobi and Tsunade examined reports of attacks on Konoha’s border squads and suspected a hidden instigator.
• Fourth Raikage A learned that a rumor claiming he was Ōnoki’s illegitimate son had spread from Iwagakure, and he ordered an investigation and a denial.
• Ōnoki sent Anbu after the rumor’s culprit as the villages grew suspicious and tense.
• Kenichi Amamiya ate sukiyaki with Hikari, and his teacher joined them and said her discovery concerned time.

Kenichi Amamiya learned that Anko Mitarashi had traveled into the past and visited her in Orochimaru’s laboratory. After hearing Anko describe her encounter with Minato Namikaze, Kenichi was left stunned by her story.

• Orochimaru told Kenichi that Anko had traveled into the past during a mission and was now being studied in his laboratory.
• Kenichi declined to help Orochimaru investigate time travel and chose to visit Anko instead.
• Kenichi found Anko badly injured and missing an eye, then offered her curry and listened as she ate.
• Anko began to explain that she had met Minato Namikaze in the past and told Kenichi a story about a young girl in love.

Kenichi Amamiya learned that Anko Mitarashi had betrayed him and their teacher because she loved Minato Namikaze and wanted to uphold his ideals. He left her fate to Orochimaru and traveled to Akatsuki’s base in Takigakure, where Pain was waiting for him.

• Kenichi Amamiya questioned Anko Mitarashi and learned that she had traveled to the past, fallen in love with Minato Namikaze, and returned to serve Konoha’s Will of Fire.
• Kenichi Amamiya left Anko with Orochimaru, then used a Shadow Clone to escape when Orochimaru tried to pass responsibility back to him.
• Kenichi Amamiya reached the Land of Waterfalls and used his Akatsuki ring to locate the organization’s base in Takigakure.
• Konan led Kenichi Amamiya through the waterfall entrance and explained that Akatsuki had taken the village’s people prisoner.
• Kenichi Amamiya arrived at Akatsuki’s base and saw Deva Path Pain waiting for him.

Nagato gave Kenichi Amamiya a serving of Hero's Water and fragments of the Demonic Statue of the Outer Path to research. Kenichi planned to test the water's effects and use it as bait to provoke conflict among the great shinobi villages, while Nagato prepared to meet Hai.

• Nagato asked Kenichi to investigate Takigakure's Hero's Water and gave him one of its two stored servings for research.
• Kenichi requested Black Receivers for study, then asked Nagato for debris from the Demonic Statue of the Outer Path, which Nagato supplied.
• Kenichi considered testing how much Hero's Water increased the Chakra of Genin, Chunin, and Jonin, then using the results to lure the great shinobi villages into conflict.
• Nagato learned from Konan that Hai had arrived and went out to meet him, suspecting his true body might already have been exposed.
• Kenichi left for the Land of Snow in his airship, ignored a signal from Orochimaru's phone, and prompted Orochimaru to decide he needed a lesson.

Kenichi Amamiya tested Hero's Water on Land of Snow Genin, Chunin, and Jonin, finding that it increased their Chakra output while leaving its lifespan cost unproven. He ordered Kabuto Yakushi to spread the news to the great ninja villages, and Kabuto agreed after learning that Yakushi Nonō would be brought to him.

• Kenichi Amamiya found that a Genin who drank forty milliliters of Hero's Water could release nearly ten times as many Great Fireball Techniques as before, and considered how the water might consume lifespan.
• Kenichi Amamiya tested the same amount on a Chunin and a Jonin; the Chunin's output rose about tenfold and the Jonin's about eightfold, while their physical readings showed little change.
• Kenichi Amamiya decided to spread news of Hero's Water and pressed ahead with plans to provoke conflict among the Four Great Nations before attacking Kirigakure.
• Uchiha Shiori told Kabuto Yakushi that Kenichi Amamiya had ordered him to deliver five bottles of Hero's Water to the Five Great Ninja Villages, with at least three villages required to receive them.
• Uchiha Shiori told Kabuto Yakushi that he could leave Konoha after completing the mission and that Yakushi Nonō would be brought to him; she then gave him a photograph that moved him to tears.

Kenichi Amamiya entered Konoha disguised as a merchant, reunited briefly with Might Guy and Kakashi, then secretly operated on Kakashi to let him control his Sharingan. He later went to the orphanage to find Yakushi Nonō, where someone attacked him with a kunai as he opened the dormitory door.

• Kenichi Amamiya entered Konoha in disguise and sold goods at the commercial market, where he encountered Might Guy and Kakashi.
• Might Guy bought weight bags from Kenichi Amamiya, then joined Kakashi, Asuma, Kurenai, Hayate Gekko, and Shizune for dinner.
• Kenichi Amamiya trapped Kakashi in a genjutsu, anesthetized him, and modified his Sharingan so he could control it.
• Kakashi woke to a note from Kenichi Amamiya, tested his newly controllable Sharingan, and chose not to report the operation to the Third Hokage.
• Kenichi Amamiya visited Konoha's orphanage and entered the dormitory where Yakushi Nonō was likely staying.
• An unseen attacker thrust a kunai at Kenichi Amamiya's eye, and he caught it between his fingers.

Kenichi Amamiya visited Konoha’s orphanage to take Yakushi Nonō away to join Kabuto, and discovered that Sayuri was an Uzumaki child. He left the village with both of them, intending to bring Sayuri to Kushina Uzumaki for protection.

• Kenichi Amamiya identified himself to Yakushi Nonō and asked her to leave Konoha with him to fulfill his promise to Kabuto Yakushi.
• Kenichi Amamiya gave the orphanage a large donation, placing it on Hyuga Tsuki’s desk, then caught Sayuri spying on them.
• Kenichi Amamiya discovered that Sayuri had dyed her hair black to hide that she was Sayuri Uzumaki.
• Kenichi Amamiya insisted that Sayuri leave Konoha with them, saying an Uzumaki elder would look after her.
• Kenichi Amamiya left Konoha with Yakushi Nonō and Sayuri, then wondered whether Kakashi would awaken the Mangekyo Sharingan.

Kenichi Amamiya brought Sayuri Uzumaki and Yakushi Nonō to the Land of Snow, where Kushina welcomed Sayuri and Naruto discussed Kurama with Kenichi. Meanwhile, Konoha and the other great villages learned of a stable source of Hero’s Water that could multiply a ninja’s Chakra, and Tsunade prepared to lead an expedition to the Land of Rain.

• Kenichi Amamiya introduced Sayuri Uzumaki to Naruto and Kushina, who quickly bonded with the girl.
• Kenichi Amamiya learned that Kushina had taught Naruto Adamantine Chains and made him fight Kurama, then advised Naruto to follow his instincts without undoing the seal.
• An Anbu reported Yakushi Nonō and Sayuri’s disappearance to Hiruzen Sarutobi, who set the matter aside after finding no sign of a struggle.
• Hiruzen Sarutobi, Tsunade, Shikaku Nara, Mitokado Homura, and Utatane Koharu discussed intelligence about a stable source of Hero’s Water that could increase Chakra tenfold.
• Tsunade agreed to lead three Ninja Squads to investigate the water, and Hiruzen Sarutobi promised she would become Fifth Hokage upon her return.
• The other great nations began responding to the intelligence, turning the Land of Rain into the Shinobi World’s focus.

Tsunade led Konoha ninja into the Land of Rain to investigate Hero’s Water and met Darui’s Kumogakure squad, rejecting his proposal to drive out rival villages together. In the Land of Snow, Kenichi Amamiya studied Hero Substance, finding that an injection temporarily increased a Genin’s Chakra before the effect faded.

• Tsunade’s team entered the Land of Rain openly, and Tsunade told a Hyūga Branch Family ninja that concealment was unnecessary.
• Tsunade encountered Darui and his Kumogakure squads, then refused his offer to join forces against the other villages.
• Kenichi Amamiya analyzed Hero’s Water and identified its components as water, mysterious substance, and Spiral Protein.
• Kenichi Amamiya purified the mysterious substance and injected it into a Genin, whose Chakra reserves rose to about eight times their normal level.
• Kenichi Amamiya observed the Genin’s increased Chakra fade after fifty-seven minutes and thirty-six seconds, then planned further experiments.

Kenichi Amamiya investigated the effects of Hero's Water and discussed Minato Namikaze's missing memories before waiting for events in Amegakure to unfold. There, the Five Great Ninja Villages fought over the water, and the clash turned deadly when a Konoha ninja killed one of Chiyo's Sunagakure ninja.

• Kenichi Amamiya found that direct consumption of Hero's Water increased Chakra more than purified consumption or injection, then left his Shadow Clones to monitor the recovering Genin.
• Kenichi Amamiya met Naruto, Kushina Uzumaki, and Minato Namikaze, then asked Minato about his forgotten mission to the Country of Roran and Anko Mitarashi.
• Kenichi Amamiya told Minato Namikaze that the Ninja Legion would deploy when the situation in Amegakure produced a result.
• Tsunade, Shikaku Nara, Chiyo, Kitsuchi, Kurotsuchi, Darui, and Mei Terumi gathered in Amegakure with their forces to claim five bottles of Hero's Water.
• The Five Great Ninja Villages took the bottles from a Rogue Ninja, who claimed the water came from the Land of Waterfalls, then attacked him and began fighting amid Amegakure's homes.
• A Konoha ninja stabbed a Sunagakure ninja, prompting Chiyo to cry out in shock and fury.

Uchiha Shiori and Kabuto Yakushi’s scheme sparked a bloody battle in Amegakure, after which the Five Great Ninja Villages confirmed the Hero’s Water was genuine. Tsunade became the Fifth Hokage and sent Konoha forces toward the Land of Waterfalls as villages raced to secure the resource, while Nagato announced that the Akatsuki base was changing locations.

• Uchiha Shiori and Kabuto Yakushi watched their plan trigger a deadly battle in Amegakure, but the fighting stopped after the Rogue Ninja was killed and his body burned.
• The five villages returned with bottles of Hero’s Water, and Hiruzen Sarutobi appointed Tsunade as the Fifth Hokage.
• A Root ninja drank the Hero’s Water, and tests showed it amplified his Chakra tenfold despite shortening his lifespan.
• Tsunade ordered Konoha teams toward the Land of Waterfalls as the other villages also dispatched airships to claim the Hero’s Water.
• Obito and Kakuzu received Nagato’s summons, and Nagato told the gathered Akatsuki members that their base was changing locations.

As the Hero’s Water drew the Five Great Ninja Villages to the Land of Waterfalls, Kenichi Amamiya prepared to attack Kirigakure while the gathered forces searched for Takigakure’s hidden entrance. Their tense standoff ended when an explosion sparked a battle.

• Nagato announced that Akatsuki would leave Takigakure and return to Amegakure, and he sent the Hero’s Water to Gyokunyo for research.
• Kenichi Amamiya and Minato Namikaze prepared to attack Kirigakure, planning to exploit the chaos surrounding the Hero’s Water.
• Shikaku Nara led Konoha’s force, including Jiraiya, to the Land of Waterfalls and warned that they had to destroy the tree producing Hero’s Water even if they failed to secure it.
• Konoha found forces from Kirigakure, Sunagakure, Iwagakure, and Kumogakure gathered near Takigakure, but none knew the village’s entrance.
• An explosion drew the assembled ninja forces’ attention and ignited a battle.

Kenichi Amamiya began a surprise invasion of the Land of Water, sending Orochimaru to command the Snow ninja while he and Minato Namikaze led an elite team against Kirigakure. As the airships departed, Kenichi prepared to confront the village’s resistance and its Jinchuriki.

• Kenichi Amamiya ordered the Land of Snow’s ninja to attack the Land of Water while the Five Great Ninja Villages were occupied near Takigakure.
• Orochimaru agreed to command the invasion, motivated by the chance to study every ninjutsu after the world was united.
• Kenichi Amamiya assigned Orochimaru to suppress the Land of Water and block news from escaping through its ports.
• Kenichi Amamiya, Minato Namikaze, and an elite team boarded an airship to raid Kirigakure, while the larger Ninja Legion set out separately.
• Orochimaru asked how Kenichi planned to handle Karatachi Yagura and the Three-Tails, and Kenichi said he had a plan.
• Minato Namikaze looked at a family photograph of himself, Kushina Uzumaki, and Naruto Uzumaki as Orochimaru asked how Kenichi had reincarnated him.

Kenichi Amamiya launched a nuclear bomb at Kirigakure to subdue the weakened village, destroying its defenses and laying waste to the settlement. Karatachi Yagura and the Three-Tails tried to withstand the blast, but the chapter left Kirigakure razed and its survivors’ fate unclear.

• Kenichi Amamiya decided to attack Kirigakure with an atomic bomb while Minato Namikaze handled the village’s approaching airships.
• Kirigakure’s defense force spotted the unidentified airship, and Genji ordered the village’s defenses strengthened as Karatachi Yagura went to confront the threat.
• Karatachi Yagura tried to stop the falling weapon with Water Release, then called on the Three-Tails when it sensed danger.
• Kenichi detonated the bomb above Kirigakure, destroying the Defense Barrier and exposing the village to the nuclear blast.
• The explosion badly injured the Three-Tails, killed Genji and many shinobi, and razed Kirigakure as a mushroom cloud rose above it.

Kenichi Amamiya surveyed the devastation after his Atomic Bomb destroyed most of Kirigakure, then killed the Three-Tails and ordered survivors evacuated. He took Karatachi Yagura’s corpse for his next plan, which began when he prepared to awaken him.

• Kenichi Amamiya and Minato Namikaze watched the Atomic Bomb’s blast devastate Kirigakure, and Kenichi sent a Shadow Clone to investigate the radioactive ruins.
• Karatachi Yagura recognized Minato and blamed Konoha for the attack, while the wounded Kirigakure survivors tried to fight Kenichi.
• Kenichi subdued the survivors with Mangekyo Genjutsu and absorbed the Three-Tails’ Chakra, killing the beast and leaving Karatachi Yagura near death.
• Kenichi and Minato evacuated surviving ninja and civilians, while Kenichi collected the Three-Tails’ tissue and Karatachi Yagura’s corpse.
• After his teacher asked him to obtain intelligence from Karatachi Yagura, Kenichi began the process of awakening him.

Kenichi Amamiya revived Karatachi Yagura to obtain Kirigakure’s military intelligence, but Yagura resisted and returned to the Pure Land after destroying his own body. Kenichi then extracted information from Ozawa Kū and began developing a Sage Art to revive the dead with greater strength, while Orochimaru moved to seize the Land of Water’s capital.

• Kenichi Amamiya used Impure World Reincarnation to revive Karatachi Yagura and demanded intelligence about Kirigakure’s forces.
• Kenichi tried to use his Mangekyo and the promise of saving Yagura’s child to make him cooperate, but Yagura destroyed his own chest and returned to the Pure Land without revealing anything.
• Kenichi treated the injured Ozawa Kū, implanted an adult parasite in him, and used the parasite to obtain intelligence about the Land of Water.
• Kenichi reported the intelligence to his teacher, and Orochimaru led Land of Snow shinobi toward the capital while Minato Namikaze joined the effort to suppress the country.
• Kenichi stayed near the destroyed Kirigakure to study radiation and began shaping a Sage Art that combined Impure World Reincarnation with One's Own Life Reincarnation.