Chapter Summaries

Uchiha Senju sent Obito Uchiha, Kakashi Hatake, and Nagato Uzumaki to explore another Shinobi World through the newly completed interdimensional teleportation array. Equipped with instructions and advanced tools, the three began their dangerous mission into an unknown world.

• Orochimaru reported that the teleportation array had completed its initial trials and could safely send up to three people below the Super Kage level into another Shinobi World.
• Uchiha Senju chose Obito Uchiha, Kakashi Hatake, and Nagato Uzumaki as the first Vanguard Force because their abilities and experience suited the mission.
• Orochimaru warned that spatial turbulence would destroy anyone or anything sent through an unstable passage, so the team could not bring additional ninja inside Obito's Kamui Dimension.
• Uchiha Senju told the three that the mission was voluntary and extremely dangerous, then assigned Kakashi as leader and instructed Obito to protect the team during transit.
• Uchiha Senju gave Nagato a Genetic Serum to help awaken his Rinnegan and gave all three Nano-Bracelets containing communication systems and extensive Imperial knowledge.
• Obito, Kakashi, and Nagato received their personal missions through the bracelets and set off.

Kakashi, Nagato, and Obito arrived in a parallel world at the Valley of the End and contacted Uchiha Senju, who ordered them to seek peace and cooperation. Nagato rejected the Emperor’s intentions and concluded that he was the Child of Prophecy destined to save this world.

• Kakashi, Nagato, and Obito crossed into the parallel world and found the Valley of the End desolate.
• Jiraiya sensed their powerful Chakra signatures and approached them in disguise.
• Nagato objected to bringing war to the parallel world, while Kakashi and Obito urged him to follow their mission.
• Kakashi contacted Uchiha Senju, who told the team to prioritize their safety and pursue peace and cooperation.
• Uchiha Senju reminded Nagato of the empire’s principles, then ended the communication.
• Nagato interpreted Senju’s words as a threat and decided that the Sage’s prophecy made him the hero who would save the world.

Kakashi, Obito, and Nagato split up to carry out their missions in a parallel world, while Jiraiya secretly followed Nagato after reporting their arrival to the Third Hokage. Nagato investigated the Land of Rivers and was shaken by the refugees suffering from famine and disasters, leaving him questioning why its leaders had done nothing to help.

• Kakashi assigned Nagato to gather intelligence while he and Obito searched for materials to build a Cross-Dimensional Channel.
• Jiraiya overheard the newcomers, recognized Kakashi and Nagato, sent a Shadow Clone after Kakashi and Obito, and followed Nagato himself.
• Nagato questioned a tavern patron about war and unequal resource distribution, but the locals dismissed his proposal to distribute resources fairly.
• Nagato saw refugees fleeing the Land of Rivers and learned that a decade-rare sandstorm and years of drought had caused famine.
• Nagato wondered why shinobi had not used their abilities to prevent the disaster and demanded to know why the Land of Rivers' leaders were incompetent.

Uchiha Senju and Tsunade organized relief for drought-stricken River Province, while Nagato encountered desperate refugees in the parallel world and began to question its rulers. Jiraiya intervened and offered to guide Nagato through the Land of Fire, but the refugees recoiled when Nagato asked if Jiraiya was a ninja.

• Tsunade and Mei Terumi presented Uchiha Senju with a plan to send Water Release and Earth Release Jonin to River Province, and Senju ordered local officials to handle future relief without waiting for his approval.
• Uchiha Senju arranged emergency supplies, tree planting, and internships for graduating Water Release and Earth Release Jonin to prevent future droughts.
• Nagato told a refugee that resolving the drought would require a thousand Water Release Jonin, and the old woman collapsed as the villagers accused him of mocking them.
• The refugees offered to sell their children or themselves into slavery, deepening Nagato's anger at the conservative system in the parallel world.
• Nagato injected the Emperor's potion and began to awaken powerful energy, but Jiraiya appeared and persuaded him that nobles and merchants in the Land of Fire would help the refugees.
• Nagato accepted Jiraiya's offer to show him the Land of Fire, then asked whether Jiraiya was a ninja, causing the people nearby to recoil from him.

Nagato traveled with Jiraiya through the Land of Rivers and asked to visit the Land of Fire’s capital and Konoha Village, while Jiraiya suspected he might intend to invade. In Konoha, the F4 discussed the parallel-world shinobi and Danzo demanded an explanation for the Nine-Tails Jinchuriki leaving the village.

• Jiraiya explained that people in the Land of Rivers feared shinobi because the Daimyo used them to control the population.
• Nagato introduced himself and asked Jiraiya to take him to the capital of the Land of Fire and then Konoha Village.
• Jiraiya decided to question Nagato during their journey and prepare to capture him if he remained a threat.
• Hiruzen Sarutobi, Danzo Shimura, Koharu Utatane, and Homura Mitokado discussed Jiraiya’s report about three powerful shinobi from a parallel world.
• Danzo questioned Hiruzen about the Nine-Tails Jinchuriki leaving the village, and Hiruzen said Kakashi was watching him.

Kakashi and Obito uncovered the poverty and lawlessness afflicting the Land of Fire, which strengthened their belief in the Empire and its Emperor. They headed for the Land of Water to begin their mission, while Kakashi swiftly destroyed Jiraiya’s Shadow Clone after Obito spotted it following them.

• Obito used his Three-Tomoe Sharingan to subdue Rogue Ninjas, and Kakashi learned that the Land of Fire’s poor were left vulnerable because they could not afford missions.
• After learning that the Land of Water was isolated and weak, Obito and Kakashi killed the Rogue Ninjas and reflected on how the Empire’s strict laws protected civilians.
• Obito and Kakashi praised the Emperor’s rule and decided to travel through the Land of Waves to reach the Land of Water and begin their conquest.
• Kakashi and Obito entered the Land of Waves and planned to seek a ship belonging to the merchant Gato.
• Obito noticed Jiraiya’s Shadow Clone following them, and Kakashi destroyed it with a swift blade strike.

Jiraiya tried to persuade Nagato to spare his world from war, and Nagato agreed to continue evaluating it while promising to do what he could. Meanwhile, Kakashi and Obito reached a town in the Land of Waves, where Kakashi discovered that his favorite books were unavailable.

• Jiraiya's Shadow Clone memories revealed that Parallel World Kakashi had killed it with a single sword strike, and Jiraiya warned Nagato that someone had been following them.
• Nagato exposed Jiraiya's Transformation Technique, and Jiraiya explained that he opposed bringing war to his world and asked Nagato to judge it first.
• Jiraiya bowed to Nagato, who helped him up and promised to try to prevent war and persuade the Emperor to cooperate if the world met the standards.
• Kakashi and Obito arrived in a town in the Land of Waves to gather information and locate the fleet before traveling the next morning.
• Kakashi found that the bookstore had none of the titles he wanted, and Obito offered him a book called Make-Out Paradise.

Obito and Kakashi encountered Team 7 while investigating this unfamiliar version of the Hidden Leaf Village. After learning Sasuke’s name, Obito greeted him as an old acquaintance and asked how his father was.

• Obito bought Kakashi a stack of Jiraiya’s adult books.
• Naruto, Sakura, and Sasuke found Kakashi, and Obito sensed a huge amount of sealed Chakra inside Naruto.
• Sasuke recognized Obito’s Uchiha clothing and Three-Tomoe Sharingan, while Obito and Kakashi privately compared Team 7 with their empire’s far stronger Naruto and Sasuke.
• Kakashi introduced Obito as his friend, and Sasuke asked who he was.
• Obito asked Sasuke whether he recognized him, then claimed he had recently spoken with Sasuke’s father and asked how he was.

Obito mistook Sasuke’s anger over his father’s death for frustration with Fugaku’s strictness and provoked him by mentioning Itachi. Sasuke and Naruto attacked Obito, and Kakashi realized that this world held far more dangerous secrets than he had assumed.

• Obito guessed that Sasuke’s relationship with Fugaku was poor because Sasuke had not become a strong ninja by age twelve, and he praised Itachi as a devoted older brother.
• Obito mentioned that Itachi had recently sparred with him, and Naruto and Sakura angrily accused him of joking about the dead.
• Sasuke awakened a Two-Tomoe Sharingan and attacked Obito with a kunai, but Obito caught his wrist and easily blocked his attacks.
• Naruto rushed at Obito, who accidentally sent him flying and knocked him unconscious before using Kamui to free himself from Sasuke’s bite.
• Sakura helped Sasuke while Obito checked on Naruto, and Kakashi concluded that Fugaku’s death pointed to formidable hidden forces in this world.

Obito and Kakashi recognized Naruto as the Nine-Tails’ Jinchuriki while pretending to question him about the mission. After Naruto revealed Gato’s crimes, they decided to continue the mission quietly, but an unexpected voice interrupted them.

• Kakashi identified Naruto’s healing Chakra and sealing marks as signs that he carried the Nine-Tails, and he and Obito recalled the Emperor’s warnings about Jinchuriki.
• Kakashi apologized for Obito’s attack, and Obito promised Sasuke he would uncover who had massacred the Uchiha Clan.
• Sasuke remained determined to avenge his clan himself and resolved to gain greater power.
• Naruto told Kakashi that their investigation confirmed Gato was a villain, and Kakashi and Obito judged the village mission system to be corrupt.
• Kakashi decided to keep their identities and intentions hidden and lead Naruto, Sasuke, and the others somewhere secluded, but an unfamiliar voice called out to them.

Kakashi tracked down Naruto and Sasuke after realizing two impostors had led them away, then confronted Obito and another man who looked exactly like him. As Kakashi and Obito prepared to fight, Kakashi launched a Great Fireball Technique at him.

• The bookstore owner told Kakashi that Naruto, Sasuke, Sakura, and an old man had left with two men who looked like Kakashi.
• Kakashi sent Pakkun to track the group, caught up with them, and attacked the impostors with Earth Release to help Naruto and Sasuke retreat.
• Kakashi recognized one man as resembling his deceased comrade Obito, while Obito introduced himself and struck aside Kakashi's Earth Dragon Bullets with a Gunbai.
• Kakashi asked to take his students away, but Obito refused and challenged him to fight.
• Kakashi used the Great Fireball Technique against Obito, who began forming hand seals instead of dodging.

Obito and Kakashi clashed with Fire Release techniques, and Obito overwhelmed Kakashi with a Great Fireball cast using only two hand seals. Kakashi revealed his Sharingan, prompting Obito and Kakashi to awaken their Mangekyo Sharingan and Obito to manifest a blue Susanoo.

• Obito countered Kakashi's Great Fireball with his own, using only two hand seals, and his flames nearly broke through Kakashi's Earth Style Wall.
• Sasuke was stunned by Obito's speed and skill, while Kakashi realized he could not win a prolonged ninjutsu fight.
• Kakashi opened his Three-Tomoe Sharingan, shocking Obito, Kakashi, and Sasuke because this world's Kakashi possessed an Uchiha eye.
• Obito activated his Three-Tomoe Sharingan and transformed it into a Mangekyo Sharingan, leaving Sasuke bewildered.
• Kakashi's Three-Tomoe Sharingan also transformed into a Mangekyo Sharingan, and Obito manifested a blue Susanoo to continue the fight.

Obito fought Kakashi and questioned Sakura about their teacher, learning that this world's Kakashi was weak and had little knowledge of his father or the Hatake Clan's swordsmanship. After Obito confirmed Kakashi's Sharingan was his counterpart's eye by taking it and using it, he urged another Kakashi to demonstrate the Hatake Clan's swordsmanship.

• Obito became enraged when Kakashi used Chidori against his Susanoo, while Sasuke admired Obito's power.
• Kakashi asked Sakura about their teacher's father and habits, then wondered why this world's Kakashi did not use Hatake swordsmanship.
• Naruto and Sasuke discussed Kakashi's Chakra drain and Sharingan, as Kakashi resolved to use Kamui to protect his students.
• Obito countered Kakashi's Kamui, pulled him into the Kamui Dimension, and took his Sharingan eye.
• Obito implanted the eye, confirmed it belonged to his counterpart, and used Kamui to erase a mountain peak with little Chakra cost.
• Obito told another Kakashi to show this world's Kakashi the Hatake Clan's inherited swordsmanship.

Kakashi defeated his counterpart in battle while Obito learned that his counterpart had died during the Kannabi Bridge Campaign and been honored as a hero of the Hidden Leaf Village. The revelation left Obito stunned and humiliated, and the chapter ended with him dwelling on what made the news even more upsetting.

• Obito stopped Naruto, explained that he and Kakashi came from another world, and told Sasuke that the two Kakashis were counterparts.
• Kakashi criticized Kakashi Hatake for relying on the Sharingan and abandoning swordsmanship, then struck him unconscious with Lightning Release: Lightning Flash.
• Obito mocked Kakashi Hatake's weakness, and Sasuke revealed that Obito Uchiha was recorded as a hero of the Hidden Leaf Village.
• Sasuke explained that Obito Uchiha had died at age thirteen during the Third Shinobi World War's Kannabi Bridge Campaign.
• Obito realized his counterpart had died young and felt humiliated after boasting about being a hero.

Obito learned that this world's Sasuke had only awakened a Two-Tomoe Sharingan and asked him about the Uchiha Clan Massacre. Meanwhile, Nagato saw rogue ninja slaughtering civilians and confronted Jiraiya about calling the Land of Fire peaceful.

• Obito learned that his counterpart's body was gone, then watched Sasuke declare he would betray anything for supreme power.
• Naruto objected to trusting Obito and was knocked unconscious when Nine-Tails Chakra began leaking out.
• Obito discovered Sasuke had awakened only a Two-Tomoe Sharingan and said he would help him awaken the Mangekyo Sharingan.
• Obito asked Kakashi about the Uchiha Clan Massacre and challenged his view that this world was not a fragile low-martial world.
• Nagato saw rogue ninja slaughtering villagers and condemned Jiraiya for describing the Land of Fire as peaceful.

Nagato and Jiraiya confronted Rogue Ninjas who had attacked civilians, and Nagato questioned the cruelty and inequality of the world around them. After comparing the civilians’ suffering with life in the Empire, Nagato began to doubt his plan to overthrow Emperor, while Jiraiya explained the Will of Fire and the village’s expectations of its ninjas.

• Nagato used Almighty Pull to seize the Rogue Ninjas, while Jiraiya sent Shadow Clones to check on the injured civilians.
• The Rogue Ninjas offered their loot and services, but Jiraiya identified them as criminals who preyed on others, and Nagato condemned Konoha and the Land of Fire for failing to control them.
• Nagato saw the rescued civilians grieving their dead relatives and compared their desperate living conditions with the Empire, causing him to question his opposition to Emperor.
• Nagato asked why children could not attend classes, and Jiraiya explained that private schooling was expensive and most civilian families could not afford it.
• Jiraiya described the Will of Fire as a duty passed down by Konoha, and Nagato challenged him that becoming a ninja meant sacrificing time for one’s family.

Nagato condemned Konoha’s treatment of shinobi as tools and used a modified Impure World Reincarnation to restore civilians killed by wandering ninjas. Meanwhile, Kakashi woke after being knocked unconscious as Obito and Sasuke discussed Uchiha Senju and the person who massacred the Uchiha Clan.

• Nagato argued with Jiraiya that shinobi deserved mutual respect and human lives should take priority over missions.
• Jiraiya distributed his saved writing fees to civilians, while Nagato revived the dead using wandering ninjas as vessels for a modified Impure World Reincarnation.
• Nagato and Jiraiya set off toward the Capital of the Land of Fire, though Nagato had little hope for what he would find.
• Kakashi regained consciousness after the fight and decided to recover before continuing to protect Naruto, Sakura, Sasuke, and Tazuna.
• Obito and Sasuke discussed Uchiha Senju, and Sasuke asked who had wiped out the Uchiha Clan.

Sasuke revealed that Itachi had slaughtered the Uchiha Clan, leaving Obito shocked and questioning the history of this world. After learning that several powerful clans had vanished, Obito ordered Kakashi to contact the Empire and report their situation.

• Kakashi warned Sasuke that his hatred could lead him toward destruction, and Sasuke agreed to identify the Uchiha Clan's killer only if he could take revenge himself.
• Sasuke named his older brother, Itachi, as the culprit, and Obito struggled to believe that Itachi could have killed his own family.
• Sasuke told Obito that Shisui had died by suicide, leaving Obito stunned by the tragedies in this world.
• Obito questioned Sasuke about the Senju, Uzumaki, and Kaguya clans, and learned that the first two had been wiped out while Sasuke had never heard of the Kaguya Clan.
• Sasuke said the Hyuga were Konoha's only other clan with a Kekkei Genkai, and Obito told Kakashi to contact the Empire and report their situation.

Danzo Shimura sealed the Valley of the End, hoping to capture visitors from another world, while Orochimaru’s team altered their teleportation coordinates. In the Land of Waves, Obito offered to train Sasuke, who sought the power to kill Itachi.

• Danzo Shimura confirmed spatial fluctuations at the Valley of the End and ordered Root ninjas to seal the area with the Heaven and Earth Sealing Array.
• Orochimaru learned that the teleportation array had lost track of the three visitors and ordered his team to investigate the original coordinates.
• Kakashi told Obito that he had already sent the Empire a report and that they would wait for further news.
• Sasuke asked Obito for the power to take revenge on Itachi, and Obito offered to become his master.

Obito accepted Sasuke as his disciple and taught him the Empire Uchiha Body Refinement Technique, promising to train him toward the Ten Gates Formation. Sasuke eagerly began learning, determined to gain enough strength to kill Itachi.

• Kakashi and Obito exchanged a silent look about Sasuke, and Obito offered to make him a disciple and help him awaken his Mangekyo.
• Sasuke accepted Obito as his master, and Obito warned him that learning the Empire Uchiha Body Refinement Technique required a seal to keep its secrets from spreading.
• Sasuke agreed, and Obito placed the Seal of Speech Restraint on his tongue to prevent him from revealing the technique by any means.
• Obito used Genjutsu to teach Sasuke the technique’s movements and explain how Chakra could strengthen the body by stimulating cellular vitality.
• Obito told Sasuke that mastering the technique would bring him to the entry level of the Ten Gates Formation, and Sasuke bowed in gratitude and eagerness to begin training.