Chapter Summaries

After Hyuga Kei’s parents died under Hyuga clan rules, he endured abuse from Branch House youths until Hizashi Hyuga intervened and gave him his father’s scroll and a chakra extraction method. Kei began training and vowed to repay Hizashi and take revenge on the clan, while Hizashi planned to bring him to study with Neji after the child was born.

• Hyuga Hiashi killed Hyuga Kei’s mother, and Kei’s father killed himself after begging Sarutobi Hiruzen to spare their son; Hiruzen secured Kei’s survival on the condition that he live within the clan and receive the Caged Bird Seal if he awakened the Byakugan.
• Two years later, Branch House youths beat Kei for lacking the Byakugan and the Caged Bird Seal, then struck him with Gentle Fist Style: Two Palms.
• Hizashi Hyuga stopped the beating, ordered Kei to receive the Branch House living allowance, and gave him a scroll written by his father, Hyuga Tokuma.
• Kei found a chakra extraction method hidden in the scroll, began training, and vowed to repay Hizashi and get revenge on the Hyuga clan.
• Hizashi reassured his pregnant wife, Hyuga Yun, that he had helped Kei and said he would bring him to study with Neji after the baby was born.

Hyuga Kei tried to protect Neji and Hyuga Yun during the Nine-Tails' Rampage, but Yun was killed after Naoto Hyuga forced her to fight. Grief awakened Kei's Byakugan, and Hizashi helped him hide it so the Main Branch would not place the Caged Bird Seal on him.

• Hyuga Kei learned the Nine-Tails' Rampage was approaching and decided to keep Neji close so he could protect him.
• When the Nine-Tails attacked, Kei grabbed Neji and tried to lead him and Hyuga Yun to the Wartime Shelter.
• Naoto Hyuga activated Yun's Caged Bird Seal and ordered her to fight, so Kei fled with Neji while promising to take him somewhere safe.
• Young Kakashi helped Kei and Neji reach the shelter, where they waited as the Nine-Tails devastated Konoha and Minato Namikaze died sealing it.
• Kei returned to the ruined Hyuga compound and learned from Hizashi that Yun had been killed.
• Kei's grief awakened his Byakugan, and Hizashi helped him suppress it before anyone else could notice.

In Konoha Year 53, eight-year-old Hyuga Kei entered the Anbu selection to advance his revenge plan and earned a place in Third Squad. After proving his strength to the squad, he was assigned as Kakashi's taijutsu teammate.

• Hyuga Kei asked Hizashi Hyuga for permission to represent the Branch House in the Anbu selection, and Hizashi agreed.
• Hyuga Sokei attacked Hyuga Kei for taking his younger brother's slot, but Hyuga Kei knocked him down with one punch.
• Hyuga Kei fought off several Branch House members with his Wind Ninja Body Technique and was accepted by Third Squad.
• Ushijima escorted Hyuga Kei to Anbu headquarters, where he registered as Yazi and chose a wolf mask.
• Hyuga Kei impressed the squad by striking a distant tree with his Raijin Body Technique, and the members welcomed him.
• Captain Ushiro assigned Hyuga Kei to Kakashi's squad alongside Tenzo and Ameyuri.

Hyuga Kei used his Anbu assignments to locate the sealed record of Hiruko’s Chimera Technique and planned to steal it during the annual seal inspection. He also learned the Hyuga Main House planned to brand him and Neji with the Caged Bird, while worrying about how to protect Hizashi from a future Kumogakure crisis.

• While on Archives Room duty, Hyuga Kei found Hiruko’s file and learned the Chimera Technique scroll was stored in Sealing Room 3-9.
• During Sealing Room duty, Hyuga Kei used boosted Byakugan to locate the scroll, but a Sensory Barrier blocked his view, so he sketched its appearance instead.
• Hyuga Kei asked Hizashi to forge a convincing copy of the scroll and learned the Main House planned to brand him and Neji with the Caged Bird.
• Hyuga Kei saw Neji, promised to bring him a gift, and left before he could show his training moves.
• Hyuga Kei planned to switch the scroll during the annual seal inspection and began carrying a Sealing Scroll filled with ninja tools to make the concealment seem routine.

Hyuga Kei sought Sarutobi Hiruzen’s help against the Hyuga Main Branch’s attempt to place the Caged Bird Seal on him, then pressured Seiichi Matsuo to publicize claims that early sealing harmed children’s Byakugan development. Seiichi’s campaign stirred a village scandal, and Hyuga Kei delivered organs from an executed Sunagakure spy; the transplant match could save Seiichi’s daughter.

• Hyuga Kei told Sarutobi Hiruzen that the Hyuga Main Branch had tried to make him gather Konoha intelligence and now wanted to control him with the Caged Bird Seal.
• Hyuga Kei persuaded Seiichi Matsuo to publish a paper opposing the early use of the Caged Bird Seal by offering organs for Seiichi’s gravely ill daughter.
• Seiichi Matsuo published his claims and petitioned Sarutobi Hiruzen to delay sealing children until they were nine, triggering a public scandal against the Hyuga clan.
• Hyuga Kei executed a Sunagakure spy, removed and preserved her organs, and delivered them to Seiichi Matsuo.
• Seiichi Matsuo found that the organs were a perfect match for his daughter, Xiao Ling, and prepared to save her with surgery.

Hyuga Kei won Sarutobi Hiruzen’s backing by supporting peace talks and admitting he had stirred public opposition to the Hyuga to protect Neji Hyuga from the Caged Bird seal. He was then assigned to kill three corrupt Hyuga Anbu, a mission he accepted as a chance to strike back at his clan.

• Hyuga Kei told Sarutobi Hiruzen that Konoha should seek peace with Kumogakure, earning the Hokage’s approval.
• Hyuga Kei admitted he had fueled public sentiment against the Hyuga because he wanted Neji Hyuga to grow up healthy.
• Sarutobi Hiruzen promised to protect Hyuga Kei and postpone the Branch Family’s Caged Bird seal until age nine.
• Sarutobi Hiruzen ordered Shinnosuke Sarutobi to have Hyuga Kei’s team kill three Hyuga Anbu accused of corruption and abuse of power.
• Hyuga Kei accepted the mission and asked to deal with the three Hyuga Anbu personally.

Hyuga Kei ambushed and killed three Hyuga Anbu members who were secretly trading with the Land of Rain, then his team staged the scene as a rain ninja attack. Two days later, Pain and Konan learned the supplies had never arrived and discussed Konoha’s deception.

• Kakashi’s Team waited in ambush for the three Hyuga members and detonated a trap that destroyed their cargo.
• Hyuga Kei revealed his Lightning Armor and killed two Hyuga ninja with his lightning techniques.
• The Hyuga leader tried to kill Hyuga Kei with hidden Explosive Tags, but Hyuga Kei knocked him unconscious before Kakashi shielded the team from the blast.
• Hyuga Kei stored the bodies, and Kakashi and Tenzo altered the battlefield to make it appear the rain ninja had attacked the convoy.
• Pain asked Konan why the supplies had not arrived, and Konan explained that Konoha had discovered the trade and framed the rain ninja.

After helping secure a delay to the Caged Bird seal, Hyuga Kei researched the Byakugan and uncovered an active genetic trait linked to the Sage Body. He planned to steal Hiruko's Chimera Technique from Konoha's Sealing Room during next month's inspection.

• Hyuga Kei returned to Konoha, submitted his mission report with his companions, and received a week of leave.
• Hyuga Kei confirmed to Hizashi that he had helped secure the delay to the Caged Bird mark, and Hizashi gave him a forged Sealing Scroll.
• Hyuga Kei gave Neji wrist guards and taught him training techniques before taking the scroll back to his apartment.
• The Hyuga Great Elder learned of Hyuga Kei's closeness to Hizashi and Neji and began plotting a way to control him.
• Hyuga Kei examined three Branch Family corpses and concluded that his Byakugan and Sage Body traits came from an Otsutsuki gene chain.
• Hyuga Kei prepared to steal Hiruko's Chimera Technique from Konoha's Sealing Room, developing a substitution ninjutsu for next month's inspection.

Hyuga Kei stole a Sealing Scroll from Konoha’s Sealing Room amid two enemy attacks and escaped suspicion during questioning. He left with the stolen scroll hidden inside another, while the authorities investigated the traitor and theft.

• Hyuga Kei and the other Anbu helped unseal and reseal the Sealing Room’s cabinets, and Kei prepared to take Hiruko’s Chimera Technique.
• An enemy attack drew several Anbu away, allowing Hyuga Kei to replace a scroll with Hizashi Hyuga’s fake scroll.
• A second attack and a traitor’s smoke bombs plunged the room into chaos, and a thief stole the fake scroll and other items from the cabinets.
• Shinnosuke Sarutobi ordered the Anbu to stay put and sent them for questioning; Kei passed the lie-detection test and showed Shinnosuke an ordinary-looking scroll.
• Kei left with the real Sealing Scroll concealed inside a hidden compartment, then absorbed his Shadow Clones’ memories and praised his own success.

Hyuga Kei’s Shadow Clones killed the Anbu traitor and secured stolen research materials, which he used to advance his work on the Chimera Technique. During Konoha’s peace talks with Kumogakure, he stopped a ninja from abducting Hinata and prepared to bring the recorded evidence to the Third Hokage.

• Hyuga Kei’s three Shadow Clones followed the fleeing Anbu traitor and killed him in the forest, then hid the Sealing Scrolls and erased their tracks.
• Hyuga Kei took the Chimera Technique and Hiruko’s records home and planned to revise the unfinished technique rather than risk becoming a monster.
• Orochimaru ordered Kabuto to leave the Land of Fire for the Land of Rain after learning someone had stolen from him.
• Hyuga Kei gathered research materials and pursued the Chimera Technique while carrying out missions, including obtaining Storm Release remains and Uzumaki Naruto’s blood.
• During the peace talks, Kakashi, Hyuga Kei, Tenzo, and Ameyuri caught a Kumogakure ninja abducting Hinata; Hyuga Kei sealed the kidnapper’s body and rescued her.
• Hyuga Kei confirmed Tenzo’s Wood Clone had recorded the incident and said they would take the evidence to the Third Hokage.

Konoha exposed Dodai’s attempt to sabotage the peace talks, and Sarutobi Hiruzen concluded negotiations without changing the terms. Afterward, Kakashi prepared to take over Team Three as Captain Ushiro retired, and Ushiro entrusted Hyuga Kei with his taijutsu and Fire Release teachings.

• Dodai accused Konoha of abducting a missing Kumogakure ninja, but Sarutobi Hiruzen showed footage of the ninja infiltrating the Hyuga compound and attempting suicide after Hyuga Kei confronted him.
• Hyuga Kei brought the captured Kumogakure ninja into the venue, and Mabui had Dodai removed while apologizing to Sarutobi Hiruzen.
• Sarutobi Hiruzen kept the peace-talk terms unchanged, and the negotiations concluded peacefully.
• Ameyuri told Hyuga Kei, Tenzo, and Kakashi that their mission earned them two million ryo, and the group celebrated Kakashi’s promotion to captain.
• At Captain Ushiro’s retirement party, Ushiro gave Hyuga Kei his teachings on Hard Fist Taijutsu and Fire Release Chakra Nature Transformation.

Hyuga Kei strengthened his Byakugan by successfully using the Ghost Blood Seizing Technique on a Hyuga corpse, then welcomed Uchiha Itachi into his Anbu squad and taught him Fire Ninja Body Technique. The chapter ended with Hyuga Kei treating the squad to hot pot while planning to use his friendship with Itachi to learn about the Uchiha and Konoha.

• Hyuga Kei used the Ghost Blood Seizing Technique on a dead Hyuga clansman and felt his Byakugan grow stronger.
• Hyuga Kei and the Third Division tested Uchiha Itachi with a barrage of hidden weapons, which Itachi deflected using his Three Tomoe Sharingan and throwing skill.
• Kakashi assigned Uchiha Itachi to Yazi Squad, where Hyuga Kei introduced him to Tenzo and Ameyuri.
• Hyuga Kei taught Uchiha Itachi several Fire Ninja Body Techniques, which Itachi quickly learned by watching.
• Hyuga Kei treated the squad to hot pot and planned to use his relationship with Itachi to investigate the Uchiha and Konoha.

Hyuga Kei recovered Shisui's corpse and discovered Tobirama Senju's unfinished research into true resurrection, then became an Anbu captain while growing increasingly wary of the Hyuga Main House's plans. As Kei hurried back to Konoha, the Main House tried to take control of Neji, and Hyuga Hizashi died by his own hand rather than reveal Neji's whereabouts.

• Hyuga Kei used the Ninja Fish clan to find Shisui's corpse, absorbed its bloodline with the Ghost Blood Seizing Technique, and found that his Otsutsuki Gene Chain had become more complete.
• Hyuga Kei recovered hidden documents and sealing scrolls, including Tobirama Senju's unfinished research into true resurrection, and considered whether he could use it to revive his aunt.
• Hyuga Kei and Uchiha Itachi became Anbu squad captains, but Itachi was assigned to Danzo's Root while Kei took command of the Leaf Anbu Second Squad.
• Hyuga Kei led the Second Squad through a dangerous mission to install the Feudal Lord's Second Son, then rushed back to Konoha after sensing danger to Hizashi and Neji.
• Hyuga Hizashi secretly sent Neji away and refused the Main House elders' demand to put Neji under the Second Elder's care.
• The Great Elder tortured Hizashi with the Caged Bird Seal, but Hizashi killed himself rather than reveal where Neji was.

Hyuga Kei returned to find that the Hyuga Main Branch had killed Hizashi and taken Neji hostage to control him. After discovering Hizashi’s farewell letter and awakening the three-tomoe Sharingan, Hyuga Kei resolved to destroy the Hyuga clan and began considering how to bring the Uchiha clan’s destruction forward.

• The Hyuga Elders deceived Neji with a fake Hizashi and Hiashi claimed custody of the boy after Hizashi supposedly died of Bloodline Disease.
• Hyuga Kei returned to find funeral cloth at Hizashi’s residence, fought past the Hyuga clansmen guarding Hiashi’s home, and found Neji held beside Hiashi.
• Hiashi used Neji as a hostage while the Elders threatened Hyuga Kei and demanded a report on Konoha’s movements.
• Hyuga Kei found Hizashi’s farewell letter beneath his bed, learned of the Main Branch’s plot, and awakened the three-tomoe Sharingan.
• Hyuga Kei vowed to annihilate the Hyuga clan and considered advancing the planned Night of the Uchiha Clan Annihilation so he could rescue Neji.

On the night the Uchiha clan was annihilated, Hyuga Kei began wiping out the Hyuga clan while freeing Neji, Hinata, and Hanabi from the compound. He defeated Hyuga Hiashi and captured Hiashi’s wife, leaving Hiashi helpless as the massacre reached the clan head’s residence.

• Hyuga Kei manipulated events to advance the Uchiha massacre and secretly arranged for Neji, Hinata, and Hanabi to leave the Hyuga compound.
• Hyuga Kei returned to the Hyuga compound, remembered his murdered relatives, and vowed to save Neji and slaughter the clan.
• Hyuga Kei killed Hyuga clan members across the compound, devouring their flesh and souls with his techniques.
• Hyuga Kei confronted the elders and other Main Branch members, defeating and consuming them before reaching the clan head’s residence.
• Hyuga Kei defeated Hyuga Hiashi with his Byakugan and Sealing Lightning Palm, then captured Hiashi’s wife and left Hiashi immobilized.

Hyuga Kei avenged himself by killing the Hyuga clan, awakening a Mangekyo-like eye and taking the clan’s stored Byakugan before leaving Konoha. He secretly marked Hinata and Hanabi, left Neji behind with unanswered questions, and headed toward the Uchiha District.

• Hyuga Kei taunted Hyuga Hiashi with the deaths of the Hyuga clan and his plans for Hinata and Hanabi, then killed Hiashi and Hyuga Shiori.
• Hyuga Kei’s eyes evolved into a curved Manji Pattern, and he discovered a hidden chamber containing preserved Byakugan and a scroll.
• Hyuga Kei took the Byakugan, escaped the collapsing chamber, and told Kakashi, Tenzo, and the Anbu that he had exterminated the Hyuga clan.
• Kakashi let Hyuga Kei leave, and Hyuga Kei gave parting advice to Kakashi, Tenzo, and Ameyuri before flying toward the Uchiha District.
• Hyuga Kei’s Shadow Clone intercepted Neji, Hinata, and Hanabi; Hyuga Kei marked the girls, left Neji behind, and promised to return for him in a few years.

After destroying the Hyuga clan, Hyuga Kei confronted Obito in the Uchiha District and revealed the power of his newly awakened Tenseigan. Obito escaped, and Kei harvested the Uchiha corpses before Root forces closed in.

• Kakashi reported the Hyuga clan's destruction to Sarutobi Hiruzen, and Hiruzen classified Kei as an S-rank Missing-nin with a fifty-million-ryo bounty.
• Kei arrived in the Uchiha District and stopped Obito from killing Uchiha Izumi, demanding Sharingan in exchange for sparing Obito.
• Kei used his Tenseigan's Repulsion and relentless attacks to force Obito to keep phasing, while Black Zetsu identified the eyes and urged Obito to retreat.
• Obito escaped after using Majestic Destroyer Flame, and Kei carried the unconscious Izumi into the Police Force building.
• Kei absorbed the bloodlines and chakra from the Uchiha corpses, then sensed Root members approaching.

Hyuga Kei fought off Danzo’s Root forces, left Konoha with Uchiha Izumi, and watched the aftermath of the Uchiha massacre unfold. As Itachi joined Obito, White Zetsu revealed Kei’s bloodline-stealing ability and reported that he was heading toward the Land of Grass.

• Hyuga Kei incapacitated Danzo’s Root members, warned Danzo not to threaten Neji, and escaped Konoha with Uchiha Izumi.
• Kakashi told Sarutobi Hiruzen that Neji, Hinata, and Hanabi had survived, while the three struggled with their conflicting feelings about Kei.
• Uchiha Obito grew suspicious of Black Zetsu after noticing that he knew information Madara had not shared.
• Uchiha Itachi made Sasuke witness the massacre, and Sasuke awakened a Single Tomoe as Kei watched from afar.
• Obito met Itachi outside Naka Shrine and took him toward Akatsuki; White Zetsu reported that Kei had absorbed the Hyuga and Police Force Uchiha and was heading for the Land of Grass.
• Itachi reacted to the news that Kei had taken Uchiha Izumi, but told Obito to keep following Kei.

Hyuga Kei failed to awaken Uchiha Izumi's Mangekyō Sharingan, then used his own Mangekyō to erase her memories of Uchiha Itachi and make her his subordinate. As Kei headed for Kusagakure to pursue a Sage Body bloodline, news of the Uchiha and Hyuga clans' destruction pushed the shinobi world toward another war.

• Hyuga Kei told Uchiha Izumi how the Uchiha clan was destroyed, but his story and genjutsu did not awaken her Mangekyō Sharingan.
• Uchiha Izumi criticized the Uchiha's fixation on clan glory and thanked Hyuga Kei for saving her, then asked to leave.
• Hyuga Kei revealed his Mangekyō Sharingan and used Soul Wash to erase Izumi's memories of Uchiha Itachi and make her remember becoming Kei's subordinate.
• Hyuga Kei set out for Kusagakure to pursue Karin Uzumaki and her mother, while studying a Hyuga scroll about the clan's history, the moon, and Byakugan techniques.
• Ōnoki, Fourth Kazekage Rasa, Fourth Raikage A, Uchiha Obito, and Kirigakure reacted to the clans' destruction as an opportunity, while Sarutobi Hiruzen called for Jiraiya and Tsunade to return.

Hyuga Kei and Uchiha Izumi rescued Uzumaki Yuka and Karin Uzumaki from Kusagakure, then settled with them in a town so they could recover while Yuka and Karin agreed to provide Kei with blood. Meanwhile, a black figure appeared before Kakashi on a mission in the Land of Fire and demanded his Sharingan.

• Hyuga Kei and Uchiha Izumi entered Kusagakure in disguise and found Uzumaki Yuka being exploited as a medicinal human while her daughter, Karin Uzumaki, tried to protect her.
• Hyuga Kei healed Yuka and offered to take her and Karin away in exchange for becoming his subordinates, and Yuka accepted.
• Hyuga Kei and Uchiha Izumi led Yuka and Karin out of Kusagakure while Kei fought off their pursuers with Susanoo.
• Yuka and Karin thanked Hyuga Kei in a cave, agreed to provide him with blood once a week, and traveled with him and Izumi to a town to recover.
• A black figure appeared before Kakashi during a mission in the Land of Fire and said it had come to reclaim his eye.