Chapter Summaries

Uchiha Kei fought the injured Fourth Raikage inside the barrier, using his speed and the Raikage’s missing right arm to keep him on the defensive. When the Raikage launched a desperate attack, Kei countered with Susanoo and Sharingan genjutsu, then struck him with Lightning Style chakra; the fight’s outcome remained unresolved.

• Uchiha Kei and the Fourth Raikage faced off inside the barrier, each assessing the other’s condition and waiting for an opening.
• Uchiha Kei began the fight with a kunai and Fire Dragon, then pressed the Fourth Raikage with sword strikes and close-range attacks.
• Uchiha Kei exploited the Fourth Raikage’s missing right arm to drive him backward, while Konoha Ninjas watched from outside the barrier.
• The Fourth Raikage used Lightning Style: Raidō Nin'u Sutoreitō to blast apart the ground and rush Uchiha Kei through the debris with Four-Finger Nukite.
• Uchiha Kei manifested Susanoo, seized the Fourth Raikage’s left hand, and trapped him in Sharingan genjutsu before Lightning Style chakra pierced the Raikage’s chest.

Uchiha Kei defeated the Fourth Raikage by exploiting his wound and disrupting his defenses with Genjutsu before striking with Chidori. As Konoha celebrated, Minato warned Kei about revealing his abilities and assigned him to deal with Dodai, a valuable Kumogakure prisoner who had resisted interrogation.

• Kei dismissed concerns about the Fourth Raikage's critical condition as Medical Ninja treated him under Morita's supervision.
• Hyuga Aya recognized how Kei had used tactics, Genjutsu, and Chidori to defeat the Fourth Raikage, and she left the battlefield with Kei and Minato.
• Konoha Ninja praised Kei's controlled fighting style, while the Anbu Niao admitted he could not match it.
• Minato warned Kei that his use of the Sharingan might have revealed too much during the Fourth Raikage's test, but Kei said the risk had helped distinguish his fighting style from another's.
• Minato told Kei that Kumogakure wanted Dodai released alongside the Fourth Raikage and Killer B, and Kei recognized Dodai as a valuable bargaining chip.
• Minato assigned Dodai to Kei, explaining that the prisoner had resisted torture and Genjutsu and must be kept alive.

Uchiha Kei planned to leave Konoha to meet Orochimaru, discuss Senjutsu, and fuse in the Eight-Tails’ chakra, but Hyuga Aya refused to accompany him. She chose to stay and help with the unsettled Hyuga Clan situation while conducting one final experiment.

• Namikaze Minato considered transferring Dodai from an Anbu prison to Konoha Prison, and Uchiha Kei had little interest in interrogating him.
• Uchiha Kei told Hyuga Aya and Imai Kenta that he planned to leave Konoha to meet Orochimaru.
• Uchiha Kei proposed asking Orochimaru to study the Caged Bird, but Hyuga Aya refused because she trusted only Uchiha Kei.
• Uchiha Kei dropped the Caged Bird proposal and explained that he wanted Orochimaru’s help investigating Senjutsu, while also planning to fuse in the Eight-Tails’ chakra.
• Hyuga Aya said she could not go with Uchiha Kei because Hyuga Hiashi wanted her help with the clan, and she also needed to conduct one final experiment.

Hyuga Aya prepared one final experiment before turning to mastering her results, while Uchiha Kei and Imai Kenta planned a trip to study Senjutsu. Uchiha Obito arrived in Konoha hoping to find Uchiha Kei, only to learn Kei had already left with Hatake and Senju.

• Hyuga Aya decided to finish her experiments with the Kaguya Clan's bloodline and focus on refining her Senjutsu and chakra natures.
• Uchiha Kei invited Imai Kenta to travel with him, and Imai agreed after arranging a handover at the Mission Department.
• Uchiha Kei informed Namikaze Minato of their plans, and Minato approved their departure while discussing his difficult relationship with the Nine-Tails.
• Uchiha Obito entered an abandoned warehouse in the Uchiha Clan compound and disguised himself in a Konoha uniform after triggering a sealing barrier.
• Uchiha Fugaku discovered Uchiha Obito and learned he had come to find Uchiha Kei without knowing Kei was away.
• Uchiha Fugaku advised Uchiha Obito to ask Lord Hokage where Uchiha Kei, Minister Hatake, and Minister Senju had gone.

Uchiha Kei, Kakashi, and Imai Kenta traveled to meet Orochimaru, with Kakashi carrying an implicit message from Minato about Konoha’s willingness to cooperate. Uchiha Obito unexpectedly joined them, turning the mission into a four-person team as they continued toward their arranged meeting place.

• Kei and Imai Kenta set out with Kakashi, who had been sent by Minato to convey Konoha’s warning and offer of cooperation to Orochimaru.
• Imai Kenta described the feared enemy reputation Kei shared with the person they were going to meet.
• Kei, Kakashi, and Imai Kenta sensed someone approaching, then recognized the newcomer as Uchiha Obito.
• Obito explained that he had returned to investigate people impersonating others, and confirmed that Lord Hokage knew he was there.
• Imai Kenta sensed the white substance in Obito, and Kei explained that Obito was a trusted pawn in a mysterious organization seeking to capture the Tailed Beasts.
• Kei told Imai Kenta that he had arranged to meet Orochimaru in a small town between the Land of Fire’s capital and Konoha.

Uchiha Kei and his companions met Orochimaru in a secluded tavern to discuss bringing him into Konoha’s plans in exchange for protection and resources. Orochimaru agreed to consider the offer but asked Kei to help him with a problem, just as someone opened their private-room door.

• Uchiha Kei, Imai Kenta, Kakashi, and Uchiha Obito reached a chaotic town and joked about the hot-spring establishment they passed.
• Uchiha Kei led the group into a tavern where Orochimaru had reserved a private room.
• Kakashi recognized Orochimaru and began to understand why his teacher had sent him along with Uchiha Kei.
• Orochimaru inferred that Konoha wanted to use him as a weapon, and Uchiha Kei offered him protection and resources in return for cooperation.
• Orochimaru said he would provide a list of what he wanted and asked Uchiha Kei to help with a problem, when the door to their room opened.

Jiraiya returned to Konoha after hearing the Third Hokage had been gravely injured, then left again after learning about the Jonin Reform and confirming his teacher was recovering. He tracked Orochimaru to a tavern, where he opened the door to confront the people Orochimaru was meeting and was left dumbfounded.

• Jiraiya learned that the Mysterious Uchiha had attacked Konoha and Kirigakure, and suspected Orochimaru knew more about the attacks.
• After hearing that the Third Hokage had been gravely injured in the war with Kumogakure, Jiraiya slipped into Konoha and visited him in the Medical Department.
• Jiraiya learned that his teacher was recovering and discovered that the Jonin Reform had brought Commoner Ninja and clan Ninja together, with Uchiha Kei supporting the Hokage.
• Jiraiya left Konoha quietly and resumed tracking Orochimaru, then connected Orochimaru to the Mysterious Uchiha's devastating attack on Kumogakure's forces.
• Jiraiya recognized Orochimaru in disguise and followed him to a tavern, where he disguised himself and waited for Orochimaru's meeting to begin.
• Jiraiya opened the door to confront Orochimaru and the people he was meeting, then stood dumbfounded at what he saw.

Jiraiya confronted Uchiha Kei after finding him meeting Orochimaru, suspecting Kei’s involvement in attacks on tailed beasts and demanding answers. Kei chose to fight Jiraiya, partly to study his Senjutsu, and their battle destroyed a tavern as Konoha forces and bystanders watched.

• Orochimaru met Uchiha Kei and asked him to handle Jiraiya, then escaped into the ground after hinting that Kei had benefited from his information about Kumogakure.
• Jiraiya tried to stop Orochimaru, but Kei restrained him and refused to explain their dealings or reveal Orochimaru’s whereabouts.
• Jiraiya attacked Kei, who dodged and held him off with his Three Tomoe Sharingan; Jiraiya then accused him of being behind the mysterious attacks.
• Jiraiya launched a hair attack and appeared behind Kei with a spinning ball of chakra as their fight escalated.
• Their battle shook apart the tavern and blasted nearby onlookers, while Konoha Ninjas held back after recognizing Jiraiya and Kei.
• Kei continued fighting Jiraiya so he could observe his Senjutsu and potentially obtain Senjutsu Chakra.

Uchiha Kei fought Jiraiya, who suspected him of being connected to Orochimaru and the attacks on the tailed beasts. Jiraiya entered Sage Mode, and Kei used Susanoo as their battle escalated, leaving Kei eager to study how Senjutsu Chakra affected it.

• Uchiha Kei drew Qieyu and continued fighting Jiraiya while Kakashi tried to intervene and Imai Kenta stopped him.
• Jiraiya attacked at close range with his Wild Lion's Mane Technique, but Uchiha Kei evaded his strikes and countered with his sword.
• Uchiha Kei summoned Susanoo to withstand Jiraiya's Fire Style and swamp techniques.
• Jiraiya summoned Fukasaku and Shima and entered Sage Mode as Susanoo drew its sword.
• Jiraiya's Sage Art: Great Flame Bullet damaged the chakra structure of Uchiha Kei's Susanoo, and Kei resolved to study the effect of Sage Mode.

Uchiha Kei fought Jiraiya in Sage Mode while analyzing how the Sage Lands' techniques differed and how their abilities compared. Fukasaku recognized Kei's eyes as Eternal Mangekyo, and Kei suddenly struck Jiraiya with a black fist, leaving him badly hurt and dizzy.

• Uchiha Kei traded attacks with Jiraiya and observed the enhancements granted by Mount Myoboku's Sage Mode.
• Uchiha Kei compared the Sage Modes of Mount Myoboku, Ryuchi Cave, and Shikkotsu Forest, concluding that each emphasized different abilities.
• Jiraiya, Fukasaku, and Shima realized that Uchiha Kei was studying Sage Mode instead of using his full strength.
• Fukasaku identified Uchiha Kei's eyes as Eternal Mangekyo.
• Uchiha Kei abruptly overwhelmed Jiraiya with a burst of speed and struck him with a black fist, leaving him in pain and dizzy.

Uchiha Kei defeated Jiraiya, settled the damage from their fight, and left town with his team. While waiting for Orochimaru, he spoke privately with Obito about Black Zetsu’s suspicions and the source of his eye power, and Obito offered him everything he had learned.

• Uchiha Kei knocked Jiraiya unconscious and decided the group had to leave the damaged town.
• Kakashi searched Jiraiya, gave the money he found to the Konoha Ninja for damages, and explained the fight as a misunderstanding.
• Uchiha Kei, Imai Kenta, Kakashi, and Obito reached another town, where Kei sealed Jiraiya’s chakra and went to meet Orochimaru.
• Obito told Uchiha Kei that Black Zetsu suspected something about his eyes, and Kei suggested blaming his power on a method involving Uchiha Yuu and Uchiha Shuu.
• Uchiha Kei admitted he had used White Zetsu cells and said his eyes were still his own, while keeping the method behind their strength secret.
• Obito offered Uchiha Kei everything he had learned.

Uchiha Kei assigned Uchiha Obito to investigate the Naka Shrine monument and monitor potential Akatsuki recruits, including Kisame. When Orochimaru appeared after overhearing them, Obito tested him and revealed a space-warping ability that left Orochimaru struggling to land a hit.

• Uchiha Kei gave Uchiha Obito a mission to investigate the Naka Shrine monument for alterations and chakra.
• Uchiha Obito reported that Akatsuki had recruited Sasori, Kakuzu, and a seemingly immortal cultist, and was considering Orochimaru.
• Uchiha Kei tasked Uchiha Obito with keeping watch on Kisame, then confronted Orochimaru, who admitted he had overheard their conversation.
• Uchiha Kei ordered Uchiha Obito to test Orochimaru, and Obito attacked using his Mangekyo ability.
• Orochimaru dodged Obito's attacks and inferred that Obito could warp his body through space, concluding that the Uchiha were monsters.

Jiraiya awoke with his chakra sealed and learned that Uchiha Kei’s group was working with Orochimaru on a mission approved by Minato. After Jiraiya accepted responsibility for damage from their fight, he asked to complete his own mission to find Orochimaru, and Kei considered telling him more about what was coming.

• Jiraiya woke in a room with his chakra sealed, then discovered that Imai Kenta had taken his wallet to pay for the damage he caused.
• Jiraiya found Imai Kenta and Kakashi waiting outside and learned that the rest of Kei’s group had gone to meet Orochimaru.
• Kakashi told Jiraiya that Minato knew about the operation and had sent him to protect Orochimaru, while Uchiha Kei was leading it.
• Uchiha Kei told Jiraiya that his wallet had been given to local ninja as compensation for the town damaged in their fight, and Jiraiya accepted responsibility.
• Jiraiya insisted that he still wanted to finish his mission to find Orochimaru, and Uchiha Kei considered telling him some details about what was coming.

Uchiha Kei told Jiraiya how he had worked with Orochimaru and played a role in the crises involving Kirigakure and Kumogakure, while concealing his private deal with Orochimaru. Jiraiya agreed to return to Konoha and support the reforms without joining either faction, but Kei left him to consider the costs of peace as he and Imai Kenta discussed Orochimaru.

• Uchiha Kei explained the secrets behind the Kirigakure and Kumogakure incidents, and Jiraiya agreed to return to Konoha and help the reforms while remaining neutral between the factions.
• Jiraiya questioned Orochimaru's connection to the Mysterious Organization, so Uchiha Kei recounted their history while keeping his private deal secret.
• Jiraiya realized Uchiha Kei had been behind the Kirigakure and Kumogakure events, then struggled with Namikaze Minato's ruthless methods and the difficulty of achieving peace.
• Uchiha Kei urged Jiraiya to observe Konoha and speak with Namikaze Minato, then left Kakashi to keep an eye on him.
• Imai Kenta asked Uchiha Kei if telling Jiraiya had been wise, and Kei said Jiraiya was perceptive and reliable before turning their conversation to Orochimaru.

Orochimaru agreed to work with Uchiha Kei after Kei threatened him with Uchiha Obito’s protection and offered him Sharingan and Senju Hashirama’s cells in return. The next morning, Jiraiya explained that he planned to observe Kei and his companions, while keeping his second plan secret.

• Orochimaru surrendered to Uchiha Kei and Uchiha Obito after recognizing that he could not defeat their Mangekyō abilities.
• Uchiha Kei threatened Orochimaru with Obito’s supposed ability to track him and offered cooperation in exchange for research and intelligence work.
• Orochimaru agreed to research Sage Mode, search for the legendary person who merged with nature, investigate a suspected Uzumaki Clan member in the Land of Grass, and accept Kei’s other terms for Konoha.
• Uchiha Kei and Imai Kenta discussed paying Orochimaru with a pair of Three Tomoe Sharingan and Senju Hashirama’s cells.
• Jiraiya told Uchiha Kei that he planned to observe Kei and the others, while keeping his second plan undisclosed.

Uchiha Kei and his companions followed Jiraiya into a brothel and relaxed in its hot spring, where Jiraiya urged them to try the establishment’s special services. Kei declined and teased Jiraiya about his feelings for Tsunade before leaving with the others.

• Jiraiya entered a brothel in a small town near Konoha and invited Uchiha Kei, Imai Kenta, Kakashi, and Obito inside.
• Uchiha Kei and the others overcame their hesitation and joined Jiraiya in the hot spring.
• Jiraiya suggested that the young shinobi try the brothel’s special services, but Uchiha Kei refused and joked about becoming Jiraiya’s partner in crime.
• Uchiha Kei challenged Jiraiya to confess his feelings to Tsunade, and Jiraiya countered by mentioning Kei’s own romantic life.
• When the owner offered company, Uchiha Kei and the others declined and left, while Jiraiya remained behind, embarrassed by Kei’s parting remark.

Uchiha Kei brought Obito into the Kamui Dimension and explained how he had awakened Susanoo without using his Sharingan. After drawing chakra from the Eight-Tails’ tentacle into his Susanoo, Kei awakened the Eternal Mangekyo Sharingan and began transforming his Susanoo.

• Kei met Obito in his room in the middle of the night and had him take them into the Kamui Dimension.
• Kei demonstrated that he could activate the initial stage of Susanoo without using his Sharingan and told Obito to seek his own Guardian Deity.
• Kei released the sealed Eight-Tails’ tentacle and extracted its chakra into his Susanoo.
• Kei’s Susanoo resonated with the Eight-Tails’ chakra, and he joined its fist with the Susanoo in his mental space.
• Kei awakened the Eternal Mangekyo Sharingan as his chakra and power surged, sending Obito flying with the force of his expanding Susanoo.

Uchiha Kei returned to Konoha with Jiraiya, Obito, Kakashi, and Imai Kenta, while Obito agreed to stay for a week before resuming his mission. After demonstrating how Tailed Beast Chakra strengthened his Susanoo, Kei asked Obito to help him gather more chakra and kept the discovery secret from Minato.

• Uchiha Kei and the others returned to Konoha and reported to Namikaze Minato, while Jiraiya made clear that he would not join Minato's reforms.
• Jiraiya again asked Uchiha Kei to help write Icha Icha Paradise, but Kei refused and Jiraiya went home.
• Imai Kenta and Kakashi took two days of leave, while Uchiha Obito decided to stay in Konoha for a week before returning to his mission.
• Uchiha Obito recalled how Uchiha Kei had defeated him and wondered whether Kei's Tailed Beast Chakra fusion could evolve other Mangekyō Sharingan users' Susanoo.
• Uchiha Kei found that the Eight-Tails' chakra resonated with the Nine-Tails' and Three-Tails' chakra, greatly increasing his Susanoo's power.
• Uchiha Obito asked whether Tailed Beast Chakra could strengthen Susanoo and the Sharingan, and Uchiha Kei said he did not know before asking Obito to help him.

Uchiha Kei checked Hyuga Aya’s latest experiment and discovered that her Caged Bird seal had begun to weaken, though she still needed to strengthen her eyes to break it. After examining her seal, he invited Aya to his birthday, and her silence prompted him to assume she had agreed.

• Uchiha Kei explained his plans to Uchiha Obito, who agreed to cooperate and was given a vacant home in the Uchiha district by Uchiha Fugaku.
• Uchiha Kei visited the underground laboratory and read Hyuga Aya’s results, which showed little improvement in her Byakugan but increased physical strength and signs of activity in her sealed genes.
• Hyuga Aya told Uchiha Kei that her Caged Bird seal had loosened but remained intact, and that her experiment had reached its limit.
• Uchiha Kei used his newly changed eyes to examine Hyuga Aya’s Caged Bird and saw internal disorder that suggested the seal had begun to fail.
• Uchiha Kei encouraged Hyuga Aya to keep improving her eyes, tied her Forehead Protector back on, and invited her to his birthday; when she stayed silent, he took that as a yes.

On Uchiha Kei’s seventeenth birthday, Hyuga Aya visited his home, while Kakashi and their classmates later arrived with gifts. Ryoko told them Kei had gone out with Aya and might not be coming home that night.

• Hyuga Aya came to Uchiha Kei’s house early for his birthday and questioned him about his home and the Konoha-Kumogakure negotiations.
• Uchiha Kei considered using aid agreements with smaller countries to expand Konoha’s influence, then joked to Aya about staying at a hotel overnight.
• Might Guy gathered Kakashi and their classmates to attend Kei’s birthday, and Kakashi described how Guy had worn him out during training.
• Kakashi and the others encountered Uchiha Obito, who learned it was Kei’s birthday and accidentally choked on his lollipop.
• Ryoko told the group that Kei had gone out with Aya and said she thought he had mentioned they would not be coming home that night.