Chapter Summaries

Tobirama Senju used Impure World Reincarnation to revive Shirou Emiya, hoping he could treat the gravely injured First Hokage. Shirou agreed to see the patient, then discovered his old system and powers remained, along with unfinished missions in this era.

• Tobirama Senju ordered Anbu to monitor the Uchiha Clan and guard the Forbidden Jutsu Chamber while the First Hokage remained under treatment.
• Tobirama Senju shattered Shirou Emiya’s Crystal Coffin and used a Hidden Sand Village ninja as the living sacrifice for Impure World Reincarnation.
• Shirou Emiya returned with his consciousness intact and agreed to help treat the patient after Tobirama Senju explained the situation.
• Shirou Emiya’s system reconnected and displayed unfinished missions to defeat Kaguya Otsutsuki, Naruto Uzumaki, and Sasuke Uchiha.

Shirou Emiya toured Konoha with Tobirama Senju and learned that the village’s medical arts had barely advanced despite a thousand years passing. He revealed that he had named Ashura’s descendants’ Senju and Uzumaki lineages, then described Indra’s descendants and the Sharingan, leaving Tobirama to connect Indra to the Uchiha Clan.

• Tobirama Senju told Shirou Emiya that Konoha’s medical arts had not advanced much and explained how war had shaped the era.
• Tobirama praised Hashirama Senju’s role in ending the Warring States Period and founding Konoha, while Shirou promised to treat Hashirama’s injuries.
• Shirou revealed that he had given Ashura the Senju and Uzumaki surnames for his descendants.
• Tobirama explained that the Uzumaki Clan still existed as the Senju Clan’s distant relatives.
• Shirou described Indra’s different ideals and said his descendants inherited an eye-based Kekkei Genkai; Tobirama identified it as the Sharingan and linked it to the Uchiha Clan.

Shirou Emiya discussed the Uchiha Clan and the Sage of Six Paths with Tobirama Senju while being taken to treat Hashirama Senju. He revealed that he had known the Sage of Six Paths, but his Impure World Reincarnation body kept most of his great powers restricted, leaving him wary of Tobirama's controlling nature.

• Tobirama Senju condemned the Uchiha Clan and described Madara Uchiha's betrayal, while Shirou Emiya connected their conflict to the ancient rivalry between Indra and Ashura.
• Tobirama Senju explained that the Sharingan's emotion-driven evolution could make powerful Uchiha increasingly extreme, and he resolved to group the clan together under surveillance.
• Tobirama Senju introduced Sarutobi Sasuke to Shirou Emiya and ordered him to keep Shirou's revival secret while helping protect Hashirama Senju.
• Shirou Emiya told Tobirama Senju that the Sage of Six Paths had fathered Indra and Ashura and had donated his body for medical research.
• Shirou Emiya's status revealed powerful abilities gained from missions, but his Impure World Reincarnation body restricted them; he reflected that Tobirama Senju was difficult to deceive and that an evil summoner might have helped him revive himself.

Outside Hashirama Senju’s hospital ward, Tobirama Senju tried to persuade Shirou Emiya to keep the ancient history of the Senju and Uchiha clans secret, while Shirou revealed more about Indra and examined Hashirama. Shirou found that Hashirama’s life force had been damaged by overusing his healing and Wood Release, and said Yang Power could treat him, but he could not use it in his current state.

• Tobirama Senju argued that revealing the ancestors’ shared heritage would threaten Konoha’s fragile peace, and asked Shirou Emiya to seal away the ancient secrets.
• Shirou Emiya said he would try not to reveal anything, then explained that Indra had left the Ninja Sect and tried to destroy its village before Ashura defeated him.
• Tobirama Senju condemned Indra and reflected warmly on his close relationship with Hashirama Senju.
• Tobirama Senju brought Shirou Emiya into Hashirama’s ward and asked him to treat his brother, whose Chakra had nearly run out after fighting Madara Uchiha.
• Shirou Emiya examined Hashirama and found that excessive healing and use of life energy had damaged his lifespan, but said Yang Power could treat him if he were able to use it.

Shirou Emiya tried to secure his place in the present by persuading Tobirama Senju that Yang Power could save Hashirama Senju. He placed a Natural Energy Curse Mark on Tobirama, leaving himself with a way to restrain him if needed.

• Tobirama Senju asked Shirou Emiya about Yang Power, and Shirou explained that it could restore life and heal Hashirama Senju.
• Shirou claimed his Yang Power had vanished during resurrection and said he would try other medical methods to restrict Hashirama’s Chakra.
• Shirou showed Tobirama a Natural Energy Curse Mark that could seal Chakra, while warning that its power might be misused.
• Tobirama Senju asked to examine the Natural Energy and vowed not to use the Curse Mark for conflict.
• Shirou Emiya placed the Curse Mark on Tobirama Senju, giving himself a means to restrain Tobirama later.

Shirou Emiya placed Curse Marks on Tobirama Senju and Hashirama Senju, and Hashirama's body absorbed the Natural Energy and entered Sage Mode. Hashirama woke up shouting Madara Uchiha's name, while Tobirama remained intent on keeping Shirou around to help save his brother.

• Shirou Emiya placed a Curse Mark on Tobirama Senju, who learned to guide its Natural Energy into his Chakra and secretly decided to retain its power.
• Tobirama Senju persuaded Shirou Emiya to leave the Curse Mark in place so he could study how long it might seal Hashirama Senju's Chakra.
• Shirou Emiya placed a Curse Mark on Hashirama Senju, whose body absorbed the Natural Energy and entered Sage Mode.
• Shirou Emiya explained that Hashirama would soon wake, but warned that using Chakra could worsen his injuries and damage his lifespan.
• Tobirama Senju thanked Shirou Emiya and resolved to keep him in Konoha for help with Hashirama's recovery.
• Hashirama Senju woke suddenly and cried out Madara's name.

Hashirama Senju woke grieving over killing Madara Uchiha, while Tobirama Senju concealed that Madara's body was hidden for research. Shirou Emiya recognized the secret and Black Zetsu discovered Madara's body in a mountain chamber, only to sense movement inside the coffin.

• Hashirama Senju woke from a nightmare and mourned that he had killed Madara Uchiha to protect Konoha.
• Tobirama Senju urged Hashirama to rest and lied that Madara's body had been buried, though he had hidden it in the mountains for research.
• Shirou Emiya noticed Tobirama's deception and privately connected the hidden body to his ally, Black Zetsu.
• Black Zetsu found Madara Uchiha's coffin in a hidden chamber and lamented that Madara's death threatened its plan.
• Black Zetsu sensed movement inside the sealed coffin, hid itself, and watched cautiously.

Madara Uchiha revived himself with Izanagi, kept a Shadow Clone to disguise his death, and set out to transplant Hashirama Senju’s flesh. Black Zetsu followed him to protect the plan, but froze when it spotted a Konoha shinobi who looked like Shirou Emiya.

• Madara Uchiha emerged from the Secret Chamber alive and explained that Izanagi had saved him at the cost of his blind eye.
• Madara Uchiha planned to transplant the flesh he had bitten from Hashirama Senju to combine their powers, then left a Shadow Clone in the coffin to conceal his survival.
• Madara Uchiha left the Secret Chamber and headed through Konoha, intending to see Hashirama Senju before finding a place to transplant the flesh.
• Black Zetsu followed Madara Uchiha and decided to distract Tobirama Senju so he would not investigate Madara’s corpse.
• Madara Uchiha hid as Tobirama Senju and another shinobi walked through the village, and Black Zetsu recognized the second man as Shirou Emiya.

Black Zetsu struggled to understand why Shirou Emiya had appeared in the Shinobi World a thousand years after his time. Shirou told Tobirama Senju that Hashirama Senju might live only ten more years without treatment, prompting Tobirama to consider how to preserve Konoha, while Madara Uchiha headed to the hospital and Black Zetsu watched Shirou and Tobirama.

• Black Zetsu watched Shirou Emiya and questioned whether it had mistaken the era, since Shirou should have lived a thousand years earlier.
• Shirou Emiya and Tobirama Senju discussed helping Hashirama Senju find something to support him and extending his lifespan.
• Tobirama Senju asked how long Hashirama would live if Shirou could not find a cure, and Shirou estimated ten years.
• Tobirama Senju resolved to prepare Konoha for Hashirama's eventual death and offered to arrange Sasuke and Anbu escorts for Shirou.
• Shirou Emiya said he wanted to meet someone who could inherit the future of medical ninja, and Tobirama welcomed the idea.
• Madara Uchiha headed secretly toward Konoha Hospital, while Black Zetsu stayed behind to watch Shirou Emiya and Tobirama Senju.

Black Zetsu recalled how Shirou Emiya had nearly destroyed the Ninja Sect after studying the Sage of Six Paths' body, but had stopped and entrusted his dream to Ashura. Black Zetsu reflected on its long efforts to repeat Shirou Emiya's success and wondered whether Shirou now regretted believing Ashura.

• Black Zetsu remembered meeting Shirou Emiya, who had defeated Indra and sought to destroy the Ninja Sect after its disciples slaughtered his village.
• Shirou Emiya traveled the world healing people and spreading medical ninja ideals, while Black Zetsu befriended him and shared secrets about the Sage of Six Paths.
• After the Sage of Six Paths died, Shirou Emiya stole his body, studied it in Shikkotsu Forest, and transplanted the Sage's Rinnegan.
• Shirou Emiya destroyed Ninshu Village and nearly wiped out the Ninja Sect, but spared Ashura after trusting his promise to help people.
• Shirou Emiya used the Rinne Rebirth Technique to revive the dead, then left his Crystal Coffin and dream in Ashura's care.
• Black Zetsu recalled trying for a thousand years to recreate Shirou Emiya's success and asked whether he regretted believing Ashura.

Black Zetsu confirmed that Shirou Emiya had been resurrected and feared he might reveal the secrets of the Ancient Era or interfere with its plans. It decided to find Shirou and convince him to join its side.

• Black Zetsu weighed whether to rely on Shirou Emiya or its new pawn, Madara Uchiha, and realized Shirou knew too much to leave unchecked.
• Black Zetsu entered Tobirama Senju's storage chamber and found Shirou's Crystal Coffin shattered and empty.
• Black Zetsu deduced that Tobirama had resurrected Shirou to treat the gravely injured Hashirama Senju.
• Black Zetsu feared Shirou still believed in Ashura and might reveal ancient secrets to the ninjas of this era.
• Black Zetsu abandoned thoughts of killing Shirou and hurried to find him, determined to persuade him to return to their original plan.

Shirou Emiya reunited with Black Zetsu, who tried to make him regret trusting Ashura by recounting a thousand years of war. Shirou instead remained hopeful after hearing that Hashirama Senju had ended the Warring States Period, leaving Black Zetsu stunned by his continued faith in Ashura’s descendants.

• Shirou Emiya asked the Anbu guarding his house to bring him a map of the Shinobi World and wondered why Black Zetsu had not come to see him.
• Black Zetsu appeared before Shirou Emiya and greeted him as Wei Yuan-sama, and Shirou apologized for abandoning their shared dream.
• Shirou Emiya warmly praised Black Zetsu for growing taller, disrupting Black Zetsu’s plan to confront him with accusations.
• Black Zetsu blamed the ninja’s thousand years of warfare on Ashura’s descendants and asked Shirou Emiya whether he regretted believing Ashura.
• Shirou Emiya recalled Ashura’s promise and praised Hashirama Senju for uniting people and ending the Warring States Period, leaving Black Zetsu stunned.

Shirou Emiya answered Black Zetsu’s accusations by recounting his failed efforts to reclaim the Sage of Six Paths’ Chakra and his former hope of reviving Kaguya Otsutsuki. He left Black Zetsu believing their path had been cut off and apologizing for letting it down.

• Black Zetsu urged Shirou Emiya to reject Hashirama Senju’s temporary peace and pursue power that could end the cycle of ninja wars.
• Shirou Emiya explained that he had been unable to reclaim the Chakra distributed by the Sage of Six Paths, forcing him to kill Ninja Sect disciples when he destroyed the sect.
• Shirou Emiya claimed that he had once hoped Kaguya Otsutsuki could reclaim Chakra fairly and had intended to ask Ashura how to revive her.
• Shirou Emiya told Black Zetsu that the Sage of Six Paths, Ashura, and Indra were dead, leaving no known way to revive Kaguya or reclaim Chakra.
• Shirou Emiya said he could only keep believing Ashura’s promise and apologized to Black Zetsu for letting it down.

Black Zetsu, moved by Shirou Emiya’s despair and trust, accidentally revealed that it was the will of Goddess Kaguya of the Rabbit. Shirou Emiya concealed his amusement and pretended to be shocked, leaving Black Zetsu apologizing as he asked for time alone.

• Black Zetsu comforted Shirou Emiya and said the answer to his troubles had always been nearby.
• Black Zetsu blurted out that it was the will of Goddess Kaguya of the Rabbit.
• Shirou Emiya was shocked that Black Zetsu had revealed its identity after his feigned heartfelt words.
• Black Zetsu apologized and began explaining why it had concealed its identity, preparing to invent a story about Kaguya Otsutsuki.
• Shirou Emiya pretended to be wounded by the revelation and asked Black Zetsu to let him think alone for a while.

Black Zetsu told Shirou Emiya a fabricated account of Kaguya Otsutsuki’s past, portraying her as a cautious protector who opposed spreading Chakra. The story ended with Kaguya sealed by her sons, while Black Zetsu tried to make Shirou accept its version of events.

• Black Zetsu hurried to steer Shirou Emiya’s thoughts by telling him a story about the Ancient Era.
• Black Zetsu claimed that Kaguya Otsutsuki used the God Tree’s power to end humanity’s wars but feared Chakra would be misused.
• Shirou Emiya agreed that Chakra should not be distributed freely, and Black Zetsu praised his character while continuing its story.
• Black Zetsu introduced Hagoromo Otsutsuki and Hamura Otsutsuki, claiming they wanted to share Chakra with humanity against Kaguya’s wishes.
• Black Zetsu blamed the brothers for a devastating war and claimed Kaguya yielded to them to spare the people caught in the fighting.
• Black Zetsu said the brothers sealed Kaguya away because they feared she would reclaim the Chakra after their deaths.

Shirou Emiya pretended to believe Black Zetsu’s fabricated tale about Kaguya and her origins, while Black Zetsu grew convinced that he was a trusted ally it could use to revive her. As they began discussing Kaguya’s revival, someone unexpected approached.

• Shirou Emiya recognized the flaw in Black Zetsu’s tragic story but feigned sympathy for Kaguya and her suffering.
• Black Zetsu invented a new origin for itself, claiming it was the will of pain Kaguya had separated from herself.
• Shirou Emiya comforted Black Zetsu, which mistook his kindness for trust and privately planned to use him as Kaguya’s sacrificial vessel.
• Shirou Emiya silently bristled when Black Zetsu called him Wei Yuan without the honorific, though he continued discussing Kaguya’s revival.
• Black Zetsu claimed Kaguya had only lingering thoughts left, and Shirou Emiya pretended he might need time to study how to revive her.
• Shirou Emiya and Black Zetsu sensed someone approaching, and Black Zetsu was surprised by the person’s identity.

Madara Uchiha overheard Hashirama Senju tell Mito Uzumaki that he would accept any price to protect Konoha, while Mito worried about the consequences of that resolve. After learning that a mysterious doctor treated Hashirama, Madara went to Shirou Emiya’s house and decided to abduct him, reaffirming that he would kill Hashirama to achieve his goal.

• Madara Uchiha secretly visited Hashirama Senju at Konoha Hospital and overheard Hashirama explain that he had been willing to kill Madara to protect Konoha.
• Mito Uzumaki questioned Hashirama’s willingness to pay any price for the village and worried about what that principle might lead to in the future.
• Hashirama Senju and Mito Uzumaki discussed sealing the Nine-Tails inside her, and Mito agreed to avoid appearing in the village afterward.
• Hashirama Senju mentioned that Tobirama Senju had found a mysterious doctor with remarkable medical skills.
• Madara Uchiha went to Shirou Emiya’s house, resolved to abduct the doctor, and declared that he would kill Hashirama to reach his goal.

Madara Uchiha broke into Shirou Emiya’s room to abduct him, but Shirou resisted Madara’s Sharingan genjutsu and sealed him with Natural Energy Curse Marks. Madara unleashed Susanoo to escape, exposing his survival to Konoha.

• Black Zetsu asked Shirou whether the Rinnegan still existed, and Shirou said Slug had destroyed them.
• Black Zetsu hid as Madara approached and warned Shirou not to reveal their secret or hurt him.
• Madara used Sharingan genjutsu on Shirou, but Shirou’s immense spiritual energy shattered Madara’s control.
• Shirou placed Natural Energy Curse Marks on Madara, preventing him from using Chakra or moving freely.
• Madara activated his blue Susanoo to break the seal, and Konoha recognized it as his.

Madara Uchiha appeared in Konoha with a damaged Third Stage Susanoo, and Tobirama Senju, Hashirama Senju, and Mito Uzumaki rushed toward him. Shirou Emiya revealed that he had defeated Indra, leaving Madara stunned when Shirou stopped his attack with a giant stone arm.

• Konoha's ninja recognized Madara Uchiha's Susanoo and raised the alarm.
• Tobirama Senju saw the Susanoo but could not freely use his Chakra because of the Curse Mark, so he led Anbu toward it.
• Hashirama Senju and Mito Uzumaki hurried to the scene despite their injuries and exhaustion.
• Madara Uchiha questioned Shirou Emiya's identity, and Shirou said he had defeated Indra, the ancestor of the Sharingan clan.
• Madara Uchiha attacked Shirou, but Shirou raised a massive stone arm to block Susanoo's fist, shocking Madara with his name.

Madara Uchiha recognized Lord Shirou as the legendary medical ninja Hashirama had admired as a child, then fought Hashirama again when the Hokage tried to stop him from leaving Konoha. Madara escaped by summoning the Nine-Tails, leaving it amid the smoke in the village.

• Madara remembered Hashirama’s childhood stories about Lord Shirou and realized the ancient sage might be the one who had healed Hashirama.
• Hashirama arrived to confront Madara, and Madara’s Susanoo repaired itself as they resumed their battle in Konoha.
• Hashirama vowed to stop Madara despite his injuries, while Madara hinted that he would use a vicious form of assistance.
• Madara completed a summoning technique, vanished in the smoke, and left the Nine-Tails behind in Konoha.