Chapter Summaries

Uchiha Xuan Yu befriended the lonely Naruto Uzumaki and promised to feed him, then used his Sharingan to enter Naruto’s sealed inner world. There, he came face-to-face with the Nine-Tails, Kurama, who challenged his arrival.

• Xuan Yu pulled a fishbone from Naruto’s throat and watched him eat two grilled fish.
• Naruto told Xuan Yu that he had no parents, had left the orphanage because the other children feared him, and now lived alone.
• Xuan Yu promised Naruto he could find him at the Merchant Guild for food and assured him he was not afraid of him.
• Xuan Yu activated his three-tomoe Sharingan and entered the mental space where the Nine-Tails was sealed.
• Kurama opened his eyes, released a surge of chakra, and asked where the little intruder had come from.

Xuanyu entered Kurama’s Mental Space and endured the Nine-Tails’ chakra pressure while black flames began draining Kurama’s chakra. After provoking Kurama about his fear of Hashirama Senju, Xuanyu withdrew, leaving Kurama wary of his strange eyes and potential.

• Xuanyu confronted Kurama in the Mental Space, and his black flames clung to the Nine-Tails and devoured his chakra.
• Kurama recognized the Three Tomoe in Xuanyu’s eyes and angrily attacked the sealed gate, but the seal held.
• Xuanyu asked why Kurama hated the Uchiha but not the First Hokage, then mocked Kurama for fearing Hashirama Senju.
• Kurama increased the chakra pressure and demanded that Xuanyu leave, so Xuanyu withdrew from the Mental Space.
• Kurama wondered how Xuanyu knew his name and feared that the young Uchiha could surpass Madara as Xuanyu opened his eyes outside.

Xuanyu absorbed some of the Nine-Tails' Chakra, causing Naruto to briefly flare with red Chakra and alarming the Anbu guarding him. After Kimura reported the incident, Hiruzen Sarutobi used a Crystal Ball to investigate and saw Naruto with Xuanyu.

• Xuanyu refined the Nine-Tails' Chakra, strengthening his eyes and body.
• Naruto briefly erupted with red Chakra, then returned to normal and complimented Xuanyu's eyes.
• Kimura and another Anbu recognized the flare as the Nine-Tails' Chakra, and Kimura went to report it to Hiruzen Sarutobi.
• Kimura told Hiruzen Sarutobi that Naruto had shown a vast, evil Chakra fluctuation, while Kakashi listened nearby.
• Hiruzen Sarutobi activated a Crystal Ball to check on Naruto and saw Naruto and Xuanyu together by a river.

Sarutobi Hiruzen discovered that Uchiha Xuan Yu had befriended Naruto and ordered Kakashi to stop them from getting close. After leaving Naruto, Xuanyu was confronted by Kakashi but refused to engage with his attempts at conversation.

• Sarutobi Hiruzen saw Xuanyu talking with Naruto through the Crystal Ball and ordered Kakashi to keep the Uchiha child away from Naruto.
• Kimura explained that Naruto had met Xuanyu by chance at the river, while Kakashi offered to handle the matter.
• Xuanyu noticed the surveillance but continued chatting with Naruto, invited him to the Merchant Guild, and exchanged addresses with him.
• Kakashi followed Xuanyu and tried to strike up a conversation, but Xuanyu walked past him twice and denied being Might Guy's disciple.
• Xuanyu told Kakashi to state directly why he had come, leaving Kakashi surprised by the child's bluntness.

Xuanyu rejected Kakashi’s demand that he stay away from Naruto and challenged Kakashi’s distrust of the Uchiha Clan. He left Kakashi shaken by suggesting that Hiruzen had manipulated public opinion against Hatake Sakumo.

• Kakashi ordered Xuanyu to stay away from Naruto, but Xuanyu insisted that Naruto was his friend and had approached him first.
• Xuanyu questioned Kakashi’s bond with Uchiha Obito and accused him of having no proof that he had not taken Obito’s eye himself.
• Kakashi said Obito had given him the Sharingan as a friend, but faltered when Xuanyu pointed out that Rin was dead and could not confirm his account.
• Xuanyu mocked Kakashi for distrusting the Uchiha Clan despite benefiting from Obito’s Sharingan.
• Xuanyu warned that he could spread a false story about Kakashi stealing Obito’s eye and reminded him how public opinion had turned against Hatake Sakumo.
• Kakashi repeated Xuanyu’s suggestion that public opinion could be manipulated, while Xuanyu asked if he could leave.

Xuanyu agreed to keep his distance from Naruto after Kakashi warned him, while Kakashi concealed their deeper conversation from Sarutobi Hiruzen. After three peaceful months of training, Xuanyu’s chakra had grown to three times Kakashi’s, and he considered seeking special cells as the Uchiha massacre drew nearer.

• Kakashi warned Xuanyu that contact with Naruto could bring disaster to the Uchiha Clan, and Xuanyu agreed not to approach Naruto unless Naruto came to him.
• Kakashi told Sarutobi Hiruzen that Xuanyu had agreed under pressure, hiding the substance of their conversation and noticing Hiruzen’s concealed displeasure.
• Neji joined Xuanyu’s morning training group and began following Might Guy’s upside-down running method as he pursued greater strength and hope of removing his Caged Bird Curse Mark.
• Three months later, Xuanyu had accumulated chakra equal to three times Kakashi’s total and considered acquiring Hashirama or Uzumaki cells to strengthen himself before the Night of the Massacre.
• Uchiha Xia arrived with good news while Xuanyu was contemplating the Uchiha Clan’s survival.

Xuanyu and Uchiha Xia watched civilians accuse the Sarutobi Police Force of brutal violence, expecting Sarutobi Hiruzen to handle the complaint impartially. Hiruzen sided with Sarutobi Asuma, and Uchiha Shisui began to view the Third Hokage differently.

• Uchiha Xia told Xuanyu that civilians had complained about Sarutobi Asuma and the Sarutobi Police Force beating people who asked for restrictions to be eased.
• Xuanyu took Uchiha Xia and other Uchiha clansmen to the Hokage Building to watch how Sarutobi Hiruzen handled the complaint.
• Sarutobi Asuma claimed the civilians had caused trouble and offered each injured person 30,000 liang in compensation.
• Sarutobi Hiruzen declared the civilians had trespassed and caused a disturbance, while saying the Sarutobi Police Force had only used excessive force.
• The injured civilians accepted Hiruzen's decision, and Uchiha Shisui looked at the Third Hokage with unfamiliarity before turning toward Xuanyu.

Sarutobi Hiruzen dismissed the Sarutobi Police Force’s responsibility for injuring civilians, deepening public resentment and Kakashi’s disappointment. After Xuanyu told Uchiha Shisui to investigate why villagers’ attitudes toward the Uchiha had changed, Shisui saw civilians moving away and remained confused.

• Civilians lamented that the Uchiha Police Force had treated them more fairly and considered moving away from the Sarutobi Police Force’s area.
• Kakashi watched Sarutobi Hiruzen defend the Sarutobi Police Force and left in disappointment, while Uchiha Xia criticized Hiruzen’s bias.
• Sarutobi Hiruzen ordered Sarutobi Asuma to take the injured civilians to the hospital, then told Uchiha Shisui to take the day off as he planned to visit Naruto.
• Uchiha Shisui asked Xuanyu whether Hiruzen had caused the civilians’ change in attitude toward the Uchiha, and Xuanyu told him to ask the villagers himself.
• Sarutobi Hiruzen warned Sarutobi Asuma not to let anyone complain about the Sarutobi Police Force again, and Asuma promised he had handled the matter.
• Uchiha Shisui wandered the streets and saw many people moving away.

Uchiha Shisui saw civilians fleeing the Sarutobi Police Force’s jurisdiction and began questioning his assumptions about the Uchiha and the Third Hokage. Meanwhile, Fugaku learned how Sarutobi Hiruzen had handled villagers’ complaints, and Naruto Uzumaki visited Xuanyu with food.

• Uchiha Shisui learned from an elderly man that civilians were moving to Xuanyu’s jurisdiction because the Sarutobi Police Force made life unbearable and Xuanyu’s officers treated them well.
• Sarutobi Lingdong kicked an elderly man and threatened the departing civilians, while Shisui stayed silent after Lingdong warned him not to worsen relations between the clans.
• Shisui reconsidered his beliefs about the Uchiha Police Force and Sarutobi Hiruzen after witnessing the civilians’ treatment.
• Fugaku heard about the villagers’ complaints and Sarutobi Hiruzen’s response, then angrily questioned the Third Hokage’s fairness toward the Uchiha.
• Naruto Uzumaki arrived while Xuanyu trained and invited him to share food from the Third Hokage.

Xuanyu welcomed Naruto and used their visit to enter Naruto’s mental space and drain the Nine-Tails’ chakra while entertaining it with a story. Afterward, Xuanyu absorbed and refined the chakra, strengthening his body and Byakugan, as two Anbu ninja arrived.

• Xuanyu brought Naruto inside, shared food and fruit wine with him, and Naruto became drunk.
• Xuanyu used Naruto’s hazy state to enter the mental space and approach the sealed Nine-Tails.
• Xuanyu drew chakra from the Nine-Tails with his black flames while telling it a story about a Nine-Tails demon fox’s rise to power.
• Xuanyu left the Nine-Tails eager to hear what happened next and returned to his consciousness.
• Xuanyu refined the stolen chakra, strengthening his body and extending his Byakugan’s range to two or three kilometers.
• Two Anbu ninja entered as Xuanyu considered spending more time around Naruto.

Xuanyu collected Naruto’s blood and flesh for Hua Yu to study, while Uchiha Fugaku decided to prepare a plan to remove the Third Hokage and sought Itachi’s help. Naruto woke feeling rested, and Xuanyu entered the newly built Uchiha hospital with Hua Yu.

• Xuanyu explained Naruto’s wrist wound to Kimura, who took the sleeping Naruto back, and Xuanyu kept the blood and flesh he had collected for Hua Yu’s research.
• Fugaku told Itachi about the Uchiha Clan’s history and argued that Konoha had unfairly blamed and suppressed the clan.
• Fugaku said he regretted yielding the Hokage position to Minato Namikaze and decided that the Third Hokage had to step down.
• Fugaku asked Itachi to uncover the Third Hokage’s secrets through his Anbu duties, while Itachi hesitated and said nothing.
• Naruto woke feeling relaxed and thought he should spend more time with Xuanyu, unaware that the Nine-Tails’ influence on him had weakened.
• Xuanyu entered the newly built Uchiha hospital with Hua Yu.

Xuanyu had Hua Yu study Uzumaki Cells in a hidden laboratory and volunteered to be the first transplant subject. Hua Yu discovered that Xuanyu’s own cells devoured the Uzumaki Cells, though only a few gained their special properties, so she continued researching how to adapt them.

• Xuanyu led Hua Yu into a secret laboratory beneath the hospital and told her to experiment with the Uzumaki Clan cells.
• Hua Yu found that Uzumaki Cells were unusually active, could repair themselves, and could store Chakra.
• Xuanyu said he wanted to test a cell transplant on himself before considering other candidates, and Hua Yu warned him of the risks.
• Xuanyu gave Hua Yu a sample of his flesh, and she found his cells were exceptionally resilient and contained hidden Chakra.
• Hua Yu placed Xuanyu’s cells with Uzumaki Cells and used Green Energy to bring them together.
• Xuanyu’s cells devoured the Uzumaki Cells, but only a small portion gained their properties, so Hua Yu continued working to adapt them.

Xuan Yu challenged Shisui to decide whether he would choose the village or the Uchiha Clan, then returned to his routine while Hanayu continued her research. A month and a half later, Hanayu developed a serum intended to help Xuan Yu fuse with Uzumaki Cells, but she began testing it cautiously.

• Shisui visited Xuan Yu after seeing that the villagers in Xuan Yu's Police Force district lived more peacefully than those under the Sarutobi Police Force.
• Xuan Yu told Shisui that the Sarutobi Police Force's poor treatment of civilians showed they had powerful backing, leading Shisui to realize that Hokage-sama favored his own clan.
• Xuan Yu asked Shisui whether he would choose the village or the Uchiha Clan, and Shisui admitted that he did not know before leaving in confusion.
• Xuan Yu continued his training and hospital visits over the following month and a half while working with Hanayu in the Underground Laboratory.
• Hanayu announced that she had developed a serum for Xuan Yu to fuse with Uzumaki Cells, then warned that it was dangerous and began testing it with their cells.

Xuanyu fused with Hua Yu’s Uzumaki cell potion, and his unusual cells rapidly devoured and replaced cells throughout his body. He endured excruciating pain as Hua Yu tried to ease it, and the transformation continued toward completion.

• Hua Yu discovered that Xuanyu’s cells could absorb Uzumaki traits, though the potion might not work as easily for other people.
• Hua Yu prepared a cell potion suited to Xuanyu, and he waited three days before receiving the injection.
• Xuanyu’s cells consumed the potion and began devouring and replacing his other cells at a dangerously rapid pace.
• Hua Yu used Medical Ninjutsu to ease Xuanyu’s pain, but he told her to let the beneficial transformation continue.
• Hua Yu cried as Xuanyu suffered, and he comforted her by explaining that the transformed areas no longer hurt.

Xuanyu completed his cell transformation, gaining greatly increased physical strength and Chakra reserves. After deciding to seek combat experience beyond Konoha, he asked to travel with a merchant caravan, but Uchiha Hanjō refused.

• Hua Yu exhausted her Chakra protecting Xuanyu during the painful transformation, then recovered while Xuanyu examined his enhanced body.
• Xuanyu discovered that his transformed cells could store and continually absorb far more Chakra, and he washed away the impurities expelled from his body.
• Xuanyu hunted bears and wild pigs outside the village with ease, judged himself capable of matching Kakashi, and remained wary of Shisui's abilities.
• Xuanyu decided to leave Konoha with a merchant caravan to hunt and gain combat experience, hoping to awaken his Fourth Tomoe.
• Uchiha Hanjō firmly rejected Xuanyu's request to join the caravan.

Xuanyu persuaded Uchiha Hanjō to let him leave Konoha with the caravan if he could last two cups of tea against Uchiha Xia, and the two agreed to fight at a secluded lake. The next morning, Xuanyu stepped onto the water to begin the match, surprising Xia with his chakra control.

• Uchiha Hanjō refused to let Xuanyu leave the village, then offered to reconsider if Xuanyu could endure two cups of tea against Uchiha Xia.
• Xuanyu accepted the challenge, and Uchiha Xia agreed to meet him at a secluded lake north of Konoha the next morning.
• Xuanyu trained, then went to the lake with Hua Yu and grilled fish while they waited for Hanjō and Xia.
• Xuanyu walked across the lake toward its center, revealing chakra control that astonished Uchiha Xia.

Xuanyu fought Uchiha Xia on the lake and proved stronger in taijutsu and ninjutsu, even countering Xia’s attempt to sneak attack through the mist. The chapter ended as Xuanyu approached and began casting genjutsu on the defeated Uchiha Xia.

• Uchiha Xia challenged Xuanyu to a sparring match on the lake while Uchiha Hanjō and Hua Yu watched from shore.
• Xuanyu struck Xia with a sweeping kick that sent him skidding across the water, prompting Xia to stop holding back.
• Xuanyu gained the advantage in their taijutsu fight even after Xia activated his Sharingan.
• Xia used the Great Fireball Technique, but Xuanyu answered with an even larger fireball, filling the lake with steam.
• Xia tried to attack Xuanyu through the mist, but Xuanyu detected and struck him first, leaving Xia bloodied and admitting defeat.
• Xuanyu approached Xia as the magatara in his eyes spun and he began casting genjutsu.

Xuanyu defeated Uchiha Xia in a spar by overwhelming him with genjutsu, and Xia acknowledged that Xuanyu surpassed him in taijutsu, ninjutsu, and genjutsu. Xuanyu revealed that he had fused with Uzumaki Cells and offered to have Hua Yu make Cellular Potions for Uchiha Hanjō and Xia.

• Xuanyu resisted Uchiha Xia's genjutsu, then struck back with his own and briefly controlled Xia, saving him from sinking into the lake.
• Uchiha Xia admitted defeat and praised Xuanyu as the Uchiha Clan's future, saying he was stronger than Shisui and Itachi.
• Uchiha Hanjō questioned Xia's account, and Xia explained that Xuanyu surpassed him and possessed more Chakra than a top jōnin.
• Xuanyu told Uchiha Hanjō and Xia that he had fused with Uzumaki Cells after an experiment in the hospital laboratory.
• Xuanyu offered to have Hua Yu cultivate Cellular Potions for Hanjō and Xia, and Xia asked whether he could fuse with Uzumaki Cells too.

Xuanyu arranged to keep Hua Yu's cell experiments secret and persuaded Uchiha Hanjō to let him travel to Sunagakure with Uchiha Xia. Before leaving on a mission, Might Guy taught Xuanyu and the others the Eight Gates Formation as a last resort.

• Xuanyu asked his father to recruit two loyal Medical Ninja to assist Hua Yu with cell-fusion experiments, while Uchiha Xia secured the laboratory with Exploding Tags.
• Xuanyu refused to reveal the experiments or his strength to other Uchiha, and Uchiha Xia agreed to keep their lakeside discussion secret.
• Uchiha Xia judged that Xuanyu had surpassed him but needed more combat experience, and Uchiha Hanjō approved Xuanyu's trip to Sunagakure in seven days with Xia.
• Xuanyu looked forward to visiting Sunagakure and possibly encountering Gaara and Shukaku.
• Might Guy prepared to leave on a mission and taught Xuanyu, Hua Yu, Hashira, and Neji the Eight Gates Formation, warning them to use it only when their lives were in danger.

Xuanyu learned the Eight Gates Formation from Might Guy before leaving with an Uchiha caravan for Sunagakure, where he encountered the isolated Gaara. The chapter ended as Xuanyu approached Gaara and asked why he was playing with sand alone.

• Might Guy taught Xuanyu and the others the Eight Gates Formation before departing on a dangerous mission to Kumogakure.
• Xuanyu visited Kurama, told him the rest of a story, and said he would be away for a while.
• Xuanyu and Uncle Xia led the Uchiha caravan out of Konoha toward the Land of Wind, while Sarutobi Hiruzen secretly ordered Sarutobi Asuma to stage an attack on them.
• After reaching Sunagakure, Xuanyu wandered through the village and noticed Gaara playing alone while other children avoided him.
• Xuanyu walked up to Gaara and asked why he was playing with sand alone.