Chapter Summaries

Shin Uchiha began training in Shikkotsu Forest to master Katsuyu’s Senjutsu, enduring a night of corrosive mucus. After Tsunade treated him, they shared a kiss and discussed his relationships with Izumi, Ye, and Shizune.

• Katsuyu explained that few contract holders mastered her Senjutsu and guided Shin to a place beneath her true body.
• Shin endured Katsuyu’s corrosive mucus while sensing natural energy and trying to balance it with his chakra.
• Tsunade found Shin pale and badly drained the next morning, treated him with the Mystical Palm Technique, and kissed him.
• Shin pulled Tsunade into his arms and kissed her, and they came downstairs half an hour later looking refreshed and affectionate.
• Tsunade suggested Shin take Izumi and Ye or let Shizune attend to him, but Shin said the girls were too young and that he wanted to build feelings with Shizune first.

Kakashi mourned Obito at the Memorial Stone, unaware that Obito was watching him and preparing to take back his Mangekyō Sharingan. After learning the Uchiha Clan had secretly left Konoha, Obito resolved to act, and a gloved hand reached for Kakashi from behind.

• Kakashi visited the Memorial Stone and confessed his guilt over failing to protect Obito, Minato, Kushina, and Rin.
• Obito Uchiha overheard Kakashi mention that Shin Uchiha had grown powerful and that the Uchiha Clan had left Konoha.
• Obito confronted Black and White Zetsu about their failure to notice the clan's departure, and Black Zetsu urged him to stop hesitating and pursue their plan.
• Obito put on an orange mask and vanished, declaring that he would take back his Mangekyō Sharingan from Kakashi.
• As Kakashi remained unaware before the Memorial Stone, a black-gloved hand reached toward him from behind.

Obito Uchiha ambushed Kakashi at the Memorial Stone and tried to send him into the Kamui Dimension, but Kakashi escaped with Shadow Clones and fought back. Obito trapped another clone with his chained wrist guards, and Kakashi emerged from the woods as Obito urged him to surrender, leaving Kakashi suspecting they knew each other.

• Obito Uchiha attempted to pull Kakashi into the Kamui Dimension, but Kakashi's Shadow Clone vanished and the real Kakashi attacked with Chidori.
• Kakashi's Chidori passed through Obito, prompting Kakashi to recognize his intangibility as matching the mysterious man's technique from the Night of the Nine-Tails.
• Kakashi questioned Obito about his identity and the Nine-Tails attack, then attacked with shuriken, kunai, and a Rasengan.
• Obito turned tangible after Kakashi passed through him and caught him with an iron chain, but the bound Kakashi dissolved into smoke as another Shadow Clone.
• Obito spotted Kakashi emerging from the woods and told him to surrender, while Kakashi realized Obito might be someone he knew well.

Kakashi fought Obito Uchiha in Konoha and awakened the Mangekyō Sharingan, revealing that it could use Kamui. Obito dodged Kakashi’s spatial attack, leaving the battle unresolved.

• Kakashi questioned the masked man, and Obito Uchiha mocked him before attacking.
• Kakashi used the Great Fire Dragon Technique to alert Konoha’s Shinobi, but the flames passed harmlessly through Obito Uchiha.
• Obito Uchiha attacked with enormous shuriken and his chain while Kakashi dodged and searched for a countermeasure.
• Kakashi created two shadow clones, then poured his chakra into his Sharingan until it evolved into the Mangekyō Sharingan.
• Kakashi activated Kamui and trapped Obito Uchiha in a spatial vortex, but Obito dodged before the distortion could finish.

Kakashi used his Mangekyō Sharingan to tear off Obito Uchiha’s left arm, but the effort left him nearly unconscious and unable to defend himself. Might Guy arrived in time to rescue Kakashi, and Kakashi warned him that Obito could evade attacks with a Space-Time Ninjutsu.

• Kakashi’s Mangekyō Sharingan tore off Obito Uchiha’s left arm, but using it exhausted Kakashi’s chakra and left him on one knee.
• Obito Uchiha approached the helpless Kakashi and reached to send him into the Kamui Dimension.
• Might Guy burst from the woods and attacked Obito Uchiha with Leaf Great Whirlwind.
• Obito Uchiha turned intangible to evade Might Guy’s kicks, and Might Guy grabbed Kakashi and leaped away.
• Kakashi warned Might Guy that Obito could evade attacks and became solid when he attacked.

Might Guy fought Obito Uchiha to protect Kakashi, forcing the injured intruder to retreat before Konoha's reinforcements arrived. Guy and Kakashi were left exhausted, and Guy warned Ibiki Morino that the attacker might be connected to the Night of the Nine-Tails and could use Space-Time Ninjutsu.

• Kakashi warned Might Guy that Obito Uchiha was the mysterious figure from the Night of the Nine-Tails and told him not to let the attacker touch him.
• Might Guy opened three gates and used Reverse Lotus to keep Obito at bay while Obito remained intangible.
• White Zetsu urged Obito to flee before Konoha's Shinobi arrived, and White Zetsu used Wood Release-Mayfly Technique to take Obito and Black Zetsu away.
• Kurenai Yuhi, Mitaraishi Anko, Ibiki Morino, and other Konoha Shinobi arrived and surrounded Kakashi and Might Guy.
• Might Guy released the Eight Gates Released Formation and collapsed from exhaustion, while Kakashi lost consciousness.
• Ibiki Morino asked Might Guy what had happened, and Guy warned him that the intruder had targeted Kakashi and was skilled in Space-Time Ninjutsu.

Ibiki Morino organized the search for the intruder who had attacked Kakashi and Might Guy, then changed his plans after Kurenai Yuhi revealed her immense genjutsu power. After the intruder escaped and the injured shinobi were taken to the hospital, Tsunade told Shin Uchiha about the attack and left to help Konoha investigate.

• Might Guy warned Ibiki Morino that the intruder behind the Nine-Tails incident could use Space-Time Ninjutsu to become intangible, so Ibiki assigned the shinobi to search for him and gather evidence.
• Ibiki Morino told Kurenai Yuhi to guard the injured Kakashi and Might Guy, but Kurenai demonstrated her mental power, briefly trapping Ibiki in her genjutsu.
• Ibiki Morino then asked Kurenai Yuhi to engage the intruder if he appeared, while Hōmon Hyuga and the tracking teams searched for signs of him.
• The teams found no trace of the intruder, and Ibiki Morino waited for reinforcements and evidence collection before taking Kakashi and Might Guy to the hospital and reporting to the Third Hokage.
• In Shin Uchiha's dimension, Tsunade told Shin that Kakashi had been attacked and that the Third Hokage had summoned her to the hospital for information about the intruder.

Tsunade went to Konoha Hospital to treat the unconscious Kakashi, and Shin Uchiha sealed Kakashi’s Sharingan to stop it draining his chakra. At the hospital, Shin reunited privately with Uzuki Yugao, who was surprised to learn he had become the Uchiha Clan leader.

• Shin Uchiha accompanied Tsunade and Shizune to Konoha Hospital after Tsunade learned Kakashi was unconscious.
• Tsunade found that Kakashi’s Sharingan was draining his chakra and suggested removing or sealing it.
• Shin Uchiha used the Five Elements Seal to stop Kakashi’s Sharingan from consuming chakra, and Tsunade began treating him.
• Shin Uchiha approached Uzuki Yugao, embraced her, and explained that clan duties had kept him away.
• Uzuki Yugao realized Shin Uchiha had become the Uchiha Clan leader and asked him about it in delighted surprise.

Shin Uchiha and Uzuki Yugao visited Kakashi after he awoke, and Kakashi identified the mysterious intruder as the likely attacker from the Nine-Tails’ attack. Far away, Obito recovered from his wounds and discussed killing Kakashi and reclaiming the Mangekyō Sharingan he had left with him.

• Shin Uchiha and Uzuki Yugao returned to Kakashi’s hospital room, where Tsunade had finished treating him.
• Kakashi awoke and asked about Might Guy, and Tsunade assured him Guy had recovered enough to rest.
• Kakashi told Tsunade that the intruder’s abilities matched those of the man who attacked the Fourth Hokage and his wife six years earlier.
• Tsunade asked Kakashi to explain everything he knew about the intruder.
• In a cave near the Valley of the End, Obito Uchiha recovered from the injury Kakashi had inflicted and complained about him.
• Black Zetsu urged Obito to kill Kakashi and recover the Mangekyō Sharingan, while White Zetsu praised Might Guy’s strength.

Obito Uchiha recovered from his defeat by Kakashi and agreed to return to Kirigakure to continue his campaign of revenge. Meanwhile, Shin Uchiha identified the intruder as Obito and explained that his Sharingan and Kakashi’s came from the same pair.

• Black Zetsu and White Zetsu reassured Obito Uchiha and promised to replace his severed arm with one from a White Zetsu Clone.
• Black Zetsu reminded Obito Uchiha to check on Kirigakure and ensure the Fourth Mizukage remained under their control.
• Obito Uchiha regained his resolve and agreed to return to Kirigakure to make the bloody mist there even thicker.
• Kakashi told Tsunade what he knew about the intruder, and Shin Uchiha concluded that the enemy was Obito Uchiha.
• Shin Uchiha told Tsunade that Obito Uchiha’s Sharingan and Kakashi’s Sharingan belonged to the same pair.

Shin Uchiha explained that the intruder who attacked Kakashi was likely Obito Uchiha, seeking to reclaim his Sharingan, and that Kakashi’s Mangekyō could counter Obito’s ability. Tsunade decided Kakashi needed more rigorous training and wondered what Obito was planning.

• Shin Uchiha told Tsunade that Kakashi’s Sharingan and Obito Uchiha’s were a pair of Mangekyō with complementary spatial abilities.
• Tsunade concluded that the intruder was likely Obito Uchiha and lamented that he had turned against the village.
• Shin Uchiha explained that Kakashi’s Mangekyō could counter Obito’s ability, prompting Tsunade to call for more intensive training for Kakashi.
• Shin Uchiha and Tsunade agreed that Obito had attacked Kakashi to reclaim his Sharingan and increase his strength.
• Tsunade wondered why Obito had waited so long to retrieve his eye and what he was planning.

Shin Uchiha showed Tsunade that he could use Kamui and promised to protect her if Obito Uchiha appeared. He gave Shizune a space mark as protection, and Shizune vowed to remain loyal to him and Tsunade.

• Shin Uchiha told Tsunade that he could use an ability like Kakashi's and come to her aid if Obito Uchiha appeared.
• Shin Uchiha demonstrated Kamui by carving smooth holes into the courtyard rockery while Tsunade, Shizune, and Little Pig watched.
• Shin Uchiha gave Shizune a space mark that could save her life in a critical moment.
• Tsunade understood why Shin Uchiha had protected Shizune and warned her never to betray his trust.
• Shizune promised to remain loyal to Tsunade and Shin Uchiha for the rest of her life.

Tsunade confronted Shin Uchiha about his engagement to Hinata Hyuga, and he claimed he accepted it to obtain the Hyuga Clan's Byakugan. Tsunade remained skeptical but approved of his interest in the Byakugan's abilities.

• Tsunade stopped Shin Uchiha after lunch and led him into the tea room to discuss something she had learned from Hyuga Hiashi.
• Tsunade told Shin that Hiashi had mentioned his engagement to Hinata Hyuga and asked whether it was true.
• Shin blamed the engagement on the Elder's effort to secure an ally for the Uchiha Clan after it left Konoha.
• Tsunade doubted that Shin had been forced into the arrangement, so he claimed he had accepted it to copy Hinata's Byakugan with his Mangekyō Sharingan.
• Tsunade considered the Byakugan's usefulness for tracking, assessing patients, and learning Medical Ninjutsu.

Tsunade supported Shin Uchiha’s plan to copy the Hyuga Clan’s Byakugan and invited Hyuga Hiashi, his wife, and Hinata to her office by offering to assess Hinata as a potential apprentice. Tsunade began examining Hinata, leaving the question of whether she would accept her as an apprentice unresolved.

• Tsunade asked Shizune to invite the Hyuga family so she could assess Hinata’s talent as a possible apprentice.
• Shizune brought Hyuga Hiashi, his wife, and Hinata to meet Tsunade and Shin Uchiha.
• Tsunade told Hyuga Hiashi that Shin had praised Hinata and that she was considering taking an apprentice.
• Hyuga Hiashi nudged Hinata forward, and Hinata introduced herself to Tsunade shyly.
• Tsunade complimented Hinata’s looks and began examining her.

Tsunade discovered that Hinata had exceptional talent but had been left weak and undernourished in the Hyuga household. After Hinata confirmed she had never received enough food, Tsunade took her as an apprentice and asked to keep her for a few days to teach her medical knowledge.

• Tsunade examined Hinata and became increasingly angry as she discovered the girl's weakened condition.
• Tsunade told Hyuga Hiashi that Hinata's talent surpassed his, but her body was weak and her cells were dormant because she had been starving.
• Hiashi asked Hinata whether she had gone hungry, and Hinata nodded.
• Hinata's mother wept as Hiashi realized the family had neglected their daughter.
• Tsunade took Hinata as her apprentice and said Hinata would stay with her for a few days to learn medical knowledge.

Tsunade kept Hinata with her to recover and train her, while Shin Uchiha spent time with Tsunade and then Uzuki Yugao. The chapter ended with Yugao asking Shin to father her child and Shin reminding her that he was the Uchiha Clan's leader.

• Tsunade agreed to care for Hinata, help her recover, and teach her medical knowledge, and Hyuga Hiashi and his wife left Hinata in her care.
• Tsunade told Shin Uchiha that Hinata was exceptionally talented and promised to train her into a capable helper for him.
• Shin Uchiha and Tsunade discussed their future and her unborn child before he left her home that evening.
• Shin Uchiha met Uzuki Yugao after her shift, and they went shopping together.
• Uzuki Yugao asked Shin Uchiha to stay with her and said she wanted to have his baby, and he reminded her that he was the Uchiha Clan's leader.

Shin Uchiha and Uzuki Yugao reaffirmed their relationship despite his inability to marry outside the Uchiha Clan, and Yugao chose to accept his secret technique so she could remain with him for life. Shin promised to arrange her departure from Konoha and protect her and their future child.

• Shin Uchiha told Uzuki Yugao that clan expectations prevented him from marrying her, but she said she would stay with him regardless of her official status.
• Shin Uchiha embraced Yugao, then teleported with her to his home and activated its barrier before they became intimate.
• Yugao said she was willing to accept Shin Uchiha's secret technique and remain loyal to him for life, and he warned her that it would bind her to him permanently.
• Yugao explained that she feared Shin Uchiha might leave Konoha, and she vowed to follow him even if she became a rogue ninja.
• Shin Uchiha said he could ask the Third Hokage to release Yugao from her duties and promised to find a safe place for her and their baby if she became pregnant.

Shin Uchiha used Kotoamatsukami to make himself the most important person in Uzuki Yugao’s mind without changing her personality. He copied little Hinata’s Byakugan bloodline and went to Tsunade, who was waiting as he prepared to integrate it.

• Uzuki Yugao agreed to Shin Uchiha using Kotoamatsukami on her, and he permanently placed himself first in her consciousness.
• Shin Uchiha carried the sleeping Uzuki Yugao into his space, then used Tsunade’s space mark to reach her.
• Tsunade told Shin Uchiha that little Hinata was asleep in the next room, and he went there to copy her Byakugan bloodline.
• Shin Uchiha found copying Hinata’s bloodline nearly as difficult as copying Tsunade’s Senju bloodline.
• Shin Uchiha went to Tsunade’s bedroom and found her dressed and waiting in case he needed help integrating the Hyuga bloodline.

Shin Uchiha integrated the Hyuga Clan bloodline while Tsunade stayed by his side, and the process strengthened his eyes without changing their appearance. He discovered his vision had become extraordinarily sharp, leaving him relieved that his eyes still looked normal and would not alarm the Uchiha or Hyuga Clans.

• Shin Uchiha considered the risks of combining the Byakugan and Sharingan, but trusted his Sage Body to withstand the process.
• Shin Uchiha comforted Tsunade in the spatial realm and promised to preserve the Senju Clan through their children, who would take the Senju or Uchiha surname depending on their abilities.
• Shin Uchiha activated the Copying Eye to merge the Hyuga Clan bloodline into his body while Tsunade eased his pain with Medical Ninjutsu.
• After half a day, Shin Uchiha found that his eyes had become stronger and his vision had gained extraordinary clarity.
• Shin Uchiha inspected his reflection and was relieved that his eyes remained black and white, avoiding attention from the Uchiha and Hyuga Clans.

Shin Uchiha mastered Shikkotsu Forest’s Sage Mode after months of training in the corrosive pool, gaining a major boost in power and access to Sage Art: Wood Release: True Several Thousand Hands. Tsunade and Shizune arrived to congratulate him, but Tsunade burst out laughing at his hairless, naked appearance.

• Shin Uchiha completed his Sage Mode training in the Slug Sage’s corrosive pool and emerged with black markings beneath his eyes.
• Shin Uchiha mastered Shikkotsu Forest’s Sage Mode and unlocked Sage Art: Wood Release: True Several Thousand Hands.
• A Katsuyu clone congratulated Shin Uchiha and told him Tsunade was coming.
• Tsunade and Shizune arrived with a pig, and Tsunade struggled to hold back laughter at Shin Uchiha’s bald, hairless appearance.
• Shin Uchiha summoned a curtain of water to cover himself and saw his ridiculous reflection.