Arc 27Science and the Soul Transfer

Senju Chen pushed Konoha toward scientific training while reassuring Naruto about his parents and expanding his hidden base. After Hanzo’s attack left Yahiko near death, Chen brought him to the laboratory and began transferring his soul into a White Zetsu Puppet while his body was repaired.

  • Senju Chen taught Naruto and Sasuke through a game console, then told Naruto about Minato and Kushina and promised to teach him the Flying Thunder God Technique after graduation.
  • Senju Chen secured approval for a one-year science class, gained support from several clans, and defeated Tatekura Gento’s protest with an alloy plate that withstood fire and a hammer.
  • Senju Chen welcomed Might Guy’s training group to the waterfall base, where Orochimaru agreed to enhance Kurama Yakumo and Sasori volunteered to design puppets using the Eight Gates Released Formation.
  • The Masked Man offered Hanzo a deal, then Hanzo’s forces attacked the Akatsuki, Yahiko was mortally wounded, and Hatake Sakumo intervened before Black Zetsu killed Hanzo.
  • Senju Chen identified the Masked Man as Obito and Black Zetsu, then traveled to the Land of Rain and used White Zetsu-cell serum to stabilize Yahiko.
  • Senju Chen took Yahiko, Nagato, and Konan to his research base, where he warned that repairing Yahiko’s body could destroy his failing soul.
  • Senju Chen and Orochimaru prepared a Soul Conversion Device, and Chen began moving Yahiko’s soul into a White Zetsu Puppet while his body was repaired.
Chapters 651–675 Vol. 7 Read

Ch. 651A learning machine that delivered a dimensional strike

Senju Chen introduced Naruto and Sasuke to a game console that taught scientific principles and chakra interactions through play, leaving Uchiha Fugaku alarmed by the scale of its educational impact. Naruto explored the chakra-matching game as the demonstration continued.

  • Senju Chen showed Naruto, Sasuke, and Uchiha Fugaku a game console and invited Naruto to try its shuriken-throwing game.
  • Naruto missed repeatedly, while Sasuke quickly hit a target and then struggled to clear a wall on the next level.
  • Senju Chen explained gravity and projectile motion through the game’s help animations, and Sasuke used the lesson to hit the target.
  • Uchiha Fugaku realized the console was teaching children scientific thinking and feared how it could transform their abilities.
  • Senju Chen showed the chakra-matching game, where Naruto tested how elements enhanced or countered one another.

Ch. 652A Little Follower

Senju Chen caught Naruto Uzumaki following him and gently asked why he had come. Naruto asked whether Uchiha Fugaku and Mikoto were his birth parents, and the chapter ended as he recalled learning that his real parents were Minato Namikaze and Kushina Uzumaki.

  • Senju Chen noticed Naruto Uzumaki following him and led him on a winding walk past shops before stopping at Training Ground Three.
  • Senju Chen teased Naruto about his clumsy pursuit, then softened when Naruto grew tearful and asked what he wanted.
  • Naruto asked Senju Chen whether Uchiha Fugaku and Mikoto were his birth parents.
  • Naruto recalled Fugaku and Mikoto telling him that Minato Namikaze and Kushina Uzumaki were his parents and had died protecting the village during the Nine-Tails' Attack.
  • Mikoto had held Naruto and promised that she would always be his mother and the Uchiha residence would always be his home.

Ch. 653A "gift" for you

Senju Chen explained to Naruto why he had placed him with the Fugaku family, reassuring him that it was to give him a loving home and protect him from loneliness. Naruto accepted that he had not been abandoned and asked Chen to tell him more about his parents.

  • Naruto told Senju Chen that he knew Fugaku and Mikoto were his adoptive parents and asked whether his birth parents were heroes.
  • Senju Chen described Minato Namikaze as a gentle, powerful ninja and Kushina Uzumaki as his older sister and teacher, saying they had loved Naruto deeply.
  • Naruto asked why Chen had not raised him, and Chen explained that he had been too young to provide a mother's love or a father's care.
  • Chen said he had chosen the Fugaku family because Mikoto and Fugaku could give Naruto a happy childhood and protection, and called Sasuke an extra gift who could grow up with him.
  • Naruto realized Chen had not rejected him, cried with relief in his arms, and asked to hear more about his parents.

Ch. 654"Nine-Tails"?

Senju Chen told Naruto stories about his parents and demonstrated Minato’s Rasengan, inspiring Naruto to promise he would excel at the Ninja Academy. Naruto’s determination triggered Senju Chen’s system to offer Kurama, sealed within him, as a theft option.

  • Naruto asked Senju Chen to tell him about his parents, and Chen recalled Kushina’s fiery temper and Minato’s devotion to her.
  • Senju Chen described Minato’s hard work and showed Naruto the Rasengan, which Minato had created.
  • Naruto eagerly asked to learn the Rasengan, and Senju Chen made it conditional on Naruto earning excellent marks in every Ninja Academy subject.
  • Naruto vowed to become the top student, learn the Rasengan, and surpass his father and the Hokage.
  • Naruto’s determination triggered a system notification offering Senju Chen Kurama, sealed within Naruto, along with two other options.

Ch. 655Bro System, You Should've Told Me You Were This OP!

Senju Chen discovered that his system could copy the Nine-Tails from Naruto and stored the new Tailed Beast without fusing it. He then demonstrated the Flying Thunder God Technique to Naruto and promised to teach it to him after he graduated from the Ninja Academy.

  • Senju Chen selected the system option to obtain the Nine-Tails sealed inside Naruto and stored it in his system space.
  • Senju Chen reviewed the bloodlines, abilities, and rewards he had gained through the system, including Isobu and the new Nine-Tails.
  • Senju Chen asked Naruto if he wanted to see his father’s Flying Thunder God Technique and gave him a marked three-pronged kunai to hold.
  • Senju Chen teleported with Naruto to a mountain peak overlooking Konoha and explained how the Flying Thunder God Technique worked.
  • Senju Chen promised to teach Naruto the technique after he graduated from the Ninja Academy.

Ch. 656The second "advanced training" team sets out

The Public Security Department's second advanced training team left Konoha, while Senju Chen went to a meeting about reforming the Ninja Academy. He challenged the Third Hokage and the two advisory elders to explain why Konoha should treat scientific tools differently from Sunagakure's puppetry, leaving the debate unresolved.

  • Might Guy led the second advanced training team out of Konoha, with Kurama Yakumo traveling alongside Kurenai Yuhi and Anko.
  • Senju Chen left the send-off and went to the Hokage Building after Tsunade told him that Hiruzen Sarutobi and the advisory elders were waiting.
  • Mitokado Homura and Utatane Koharu argued that teaching science and scientific ninja tools at the Ninja Academy would undermine Konoha's traditions.
  • Senju Chen compared Konoha's proposed curriculum to the early study of puppetry in Sunagakure, arguing that both were combat systems requiring childhood training.
  • When Mitokado Homura insisted the two cases were different, Senju Chen demanded to know how.

Ch. 657Ninja Academy reform

Senju Chen persuaded Konoha’s elders to approve a one-year experimental class teaching scientific knowledge and Ninja tools at the Academy. Afterward, Hiruzen Sarutobi challenged Chen’s motives, and Chen defended his ambition as a way to make the Will of Fire bring victory without tragic sacrifices.

  • Senju Chen argued that Konoha should educate children in scientific disciplines and Ninja tools to develop talent beyond Amado.
  • Hiruzen Sarutobi and the elders approved a one-year experimental class, with courses to end if its results did not surpass regular classes.
  • Tsunade and Senju Chen left the meeting, and Hiruzen Sarutobi stopped them in the corridor to question whether Chen’s reforms served the Will of Fire or his ambition.
  • Senju Chen admitted his ambition was to prevent Konoha’s Ninja from trading their lives for pyrrhic victories.
  • Senju Chen asked whether the Will of Fire was better served by children dying alongside their enemies or by defeating them and returning home safely.

Ch. 658How about waiting until the exam results come out?

Senju Chen’s vision of the Will of Fire left Hiruzen Sarutobi speechless, and Chen moved ahead with reforms to introduce science classes at the Ninja Academy. As Konoha debated the change and spies struggled to judge its importance, they decided to wait for the students’ exam results before reporting it.

  • Senju Chen told Hiruzen Sarutobi that his ambition was the Will of Fire, then left with Tsunade.
  • Hiruzen Sarutobi remained alone in the corridor, realizing that the old era was ending.
  • The Hokage’s Office and Ninja Academy announced science experimental classes, new courses, and an entrance examination open to students from every year.
  • Konoha’s residents split into conservative opponents, cautious supporters, and devoted admirers of Senju Chen.
  • Three spies in a Konoha basement debated whether to report the reforms and chose to wait for the children’s exam results.

Ch. 659The Great Clans: Have You Done Your "Science" Today?

Shikaku Nara advised the Nara, Yamanaka, and Akimichi clans to remain publicly neutral while they watched Senju Chen’s science reform unfold. Meanwhile, Tatekura Gento rallied traditional weapons and supply makers to petition against the reform, leaving resistance to it taking shape.

  • Chōza Akimichi and Inoichi Yamanaka asked Shikaku Nara why their clans had received no warning about the experimental science class.
  • Inoichi reported that Public Security Department personnel would teach the class, Senju Chen had written its materials, and Amado was a special lecturer.
  • Shikaku said Senju Chen’s influence, strengthened by limb regeneration, made opposition too risky and too difficult to understand.
  • Shikaku told the three clans to let interested members sign up, avoid taking a public position, and wait for events to develop.
  • Tatekura Gento blamed Senju Chen’s science lessons and inventions for threatening his clan’s weapons business and the livelihoods of other traditional makers.
  • Tatekura Gento ordered a meeting with weapons merchants and seal makers so they could join forces and petition at the Hokage Building.

Ch. 660The old clans pay a visit

Uchiha Fugaku committed his clan to supporting Senju Chen’s science reforms, while Hyuga Hiashi and other clan representatives visited Chen to question the new Ninja Academy course. Chen answered their concerns by revealing a globe that displayed a remarkably realistic live view of Konoha.

  • Fugaku told the Uchiha elders that the clan needed an opportunity to break the village’s political stalemate and ordered them to support Chen’s experimental science class.
  • Fugaku ordered every Uchiha child of eligible age to register for the entrance examination and established a clan tutoring group under his supervision.
  • Hyuga Hiashi arrived at Senju Chen’s residence with representatives of the Aburame and Inuzuka clans to ask about the science course.
  • Chen welcomed the visitors and had Yamato bring out a crystal globe, then activated it to reveal a detailed moving view of Konoha.
  • The visiting clan representatives stared in shock as the globe showed the village streets and Hokage Rock.

Ch. 661Clearing Up Doubts? No, a Dimensional Strike!

Senju Chen demonstrated a village-wide surveillance globe to Konoha’s clan leaders and convinced them to support the experimental class reforms. After the clans agreed, he learned that the Tatekura Clan and merchants planned to protest the reforms at the Hokage Building the next morning.

  • Senju Chen used the globe to reveal that it could monitor clan compounds, forbidden grounds, and activity across the Land of Fire, overwhelming Hyuga Hiashi and the other clan leaders.
  • Senju Chen explained that science could combine clan techniques with data and make battlefield tools accessible beyond bloodline-based abilities, while the globe required immense energy and advanced computation.
  • Senju Chen told the leaders that the Uchiha Clan had already signed up, prompting Hyuga Hiashi and the smaller clans to declare their support for the reforms.
  • Tsunade asked Senju Chen when he had installed the surveillance system, and he kept the details secret.
  • A Public Security Department ninja reported that the Tatekura Clan and more than a dozen merchants planned to petition against the school reforms, and Senju Chen dismissed their threat.

Ch. 662A high-stakes gamble

Senju Chen responded to Iwagakure’s military buildup by ordering intelligence gathering, then faced a protest against his science reforms with a public forging challenge. He wagered that if his scientific creation lost to the Tatekura Clan’s traditional craft, he would resign and cancel the experimental class.

  • Senju Chen ordered the Intelligence Division to document Iwagakure’s forces and supply routes and sent reconnaissance aircraft to observe them.
  • Tatekura Gento led merchants and clan representatives in a protest outside the Hokage Building against Senju Chen’s science reforms.
  • Senju Chen and Tsunade came out to address the crowd, and Senju Chen confirmed he would proceed with the reforms.
  • Senju Chen challenged Tatekura Gento to compare a traditional defensive creation with a scientific one under equal ninjutsu attacks.
  • Senju Chen promised to resign and cancel the science experimental class if his creation lost.

Ch. 663Come Help Build "Science"

Senju Chen challenged Tatekura Gento to test traditional armor against his new alloy steel, wagering that the participating clans and shops would join his Konoha Industrial Federation if he won. The alloy plate withstood two Fire Release attacks while the armor was scorched, and Tatekura Gento angrily raised a hammer to strike it.

  • Senju Chen wagered that the participating families and shops would join his Konoha Industrial Federation if he won the contest, and Tatekura Gento accepted.
  • Tatekura Gento brought out his dark iron heavy armor, while Yamato set it beside Senju Chen's plain alloy steel plate.
  • Tatekura Gento chose an Uchiha officer to attack both items with the Great Fireball Technique.
  • The fire scorched the armor but left the alloy plate unchanged, so Tatekura Gento demanded a stronger attack.
  • The Uchiha officer used the Phoenix Flower Jutsu, but the alloy plate remained unscathed, and Tatekura Gento grabbed a hammer and swung at it.

Ch. 664Your "junior schoolmates" have arrived

Senju Chen proved his alloy technology to the Tatekura Clan and recruited Tatekura Gento, then counseled Mei Terumi to wait for the experimental base’s plans before pursuing revenge in Kirigakure. The chapter ended with Konoha’s second advanced-training group arriving at the waterfall base, including two people Chen called monsters.

  • Senju Chen demonstrated that his alloy plate could withstand Tatekura Gento’s hammer, then persuaded Gento to serve him and sparked villagers’ interest in the experimental science class.
  • Mei Terumi asked Senju Chen when she could avenge Lord Genji, and he challenged her assumptions about defeating Yagura and changing Kirigakure alone.
  • Senju Chen warned Mei that Kirigakure’s turmoil involved forces beyond Yagura and said the base was already planning for the village’s future.
  • A researcher told Senju Chen that Konoha’s second advanced-training group had reached the waterfall base, and Chen went to welcome his junior schoolmates.

Ch. 665This wasn't scientific, or youthful!!!

Might Guy, Kurama Yakumo, and Public Security Department elites arrived at the research base behind the Land of Waterfalls, where Senju Chen welcomed them and began showing them their new home. The group was left stunned by Chen’s distant clone and the base’s advanced, luxurious facilities.

  • Might Guy praised the waterfall while Tokuma Hyuga led the group through a hidden passage behind it.
  • Tokuma Hyuga opened a futuristic gate, and Senju Chen greeted the group from inside the base.
  • Senju Chen explained that he was a clone while his original body remained in Konoha, shocking Might Guy and Kurama Yakumo.
  • Senju Chen took over Kurama Yakumo’s wheelchair and led the new students on a tour of the base.
  • Senju Chen showed the group the high-tech central hall and luxury residential area, leaving Might Guy bewildered by the accommodations.

Ch. 666Orochimaru wanted a new body

Senju Chen showed Might Guy and the other trainees the advanced facilities at the training base, then began their admission physicals. Orochimaru discovered Kurama Yakumo’s exceptional soul and mental energy and asked Chen to let him use her as a vessel for the God Experiment.

  • Might Guy objected to the base’s luxurious amenities until Senju Chen explained that the bathtub could be used for intense physical conditioning.
  • Senju Chen toured the new trainees through the base’s training rooms, medical department, armory, and other facilities.
  • Senju Chen arranged comprehensive admission physicals, and Might Guy eagerly prepared for what he assumed would be a test of willpower.
  • Orochimaru examined Kurama Yakumo’s results and recognized her powerful mental energy, resilient main soul, and negative-energy secondary soul as ideal for the God Experiment.
  • Orochimaru demanded that Senju Chen leave Yakumo to him, saying he could use her body to achieve the initial descent of divinity within two years.

Ch. 667Eight Gates Released Formation Puppet Project

Senju Chen persuaded Orochimaru to preserve Kurama Yakumo’s unusual spiritual abilities rather than possess her, then proposed turning the Eight Gates Released Formation into a puppet weapon. Orochimaru approved the project, and Sasori asked to lead it.

  • Orochimaru admitted he wanted to possess Kurama Yakumo to gain her exceptional spiritual talent.
  • Senju Chen explained that Yakumo’s negative entity, Ido, could serve as a source of spiritual pressure and power, and that possession would destroy it.
  • Orochimaru agreed to oversee Yakumo’s enhancement instead of taking over her body.
  • Senju Chen proposed embedding the Eight Gates Released Formation in puppets so operators could unleash its power without risking their own lives.
  • Orochimaru praised the proposal, and Sasori volunteered to lead the puppet project.

Ch. 668The Akatsuki's Crisis

Senju Chen assigned Orochimaru and Sasori to combine their expertise on a puppet powered by the Eight Gates Released Formation. Meanwhile, a masked stranger appeared before Hanzo of the Salamander and offered him a deal to eradicate the Akatsuki.

  • Senju Chen divided the Eight Gates Released Formation puppet project between Orochimaru, who would develop its core, and Sasori, who would design its body.
  • Hanzo of the Salamander learned that the Akatsuki had sabotaged another supply line and that his pursuit squad had gone missing.
  • A masked man emerged from a space-time vortex in Hanzo's tower, accompanied by a half-black, half-white creature.
  • The Masked Man offered Hanzo a deal that could help him eradicate the Akatsuki.

Ch. 669Found you at last!

Hanzo of the Salamander attacked the Akatsuki’s temporary base, overwhelming Yahiko, Nagato, and Konan as the masked man blocked Kakuzu from reaching the battle. Yahiko was struck down while the Akatsuki’s comrades fell around them.

  • After losing three comrades in a retreat, Yahiko planned to strengthen the Akatsuki when Hanzo’s forces launched a surprise attack on their base.
  • The Masked Man appeared to block Kakuzu, whose fire and wind attacks passed through his opponent without harming him.
  • Nagato used Shinra Tensei to repel the attacking Amegakure ninja while Konan and Yahiko tried to contain Ibuse’s poisonous mist.
  • Hanzo slashed Yahiko across the chest, and Nagato used Bansho Ten'in to briefly pull Hanzo away and give Yahiko and Konan time to recover.
  • Amegakure’s troops overwhelmed the Akatsuki members, and Yahiko charged Hanzo again before kunai pierced his body and he fell.

Ch. 670Reinforcements arrived

Hatake Sakumo arrived as Hanzo was about to kill Konan and the wounded Yahiko, then took on Hanzo and wounded him in a brief exchange. Hanzo's explosive technique failed to harm Sakumo, who revealed the protection of an Inertial Deflection Armor Belt.

  • Nagato prepared to use a forbidden power as Yahiko lay dying and Konan faced Hanzo's attack.
  • Hatake Sakumo appeared and blocked Hanzo's strike, protecting Konan, Yahiko, and Nagato.
  • Hanzo recognized Sakumo as Konoha's White Fang and attacked him with his scythe and poisoned chain.
  • Sakumo evaded Hanzo's attacks and slashed his right shoulder, leaving the surrounding Amegakure shinobi stunned.
  • Hanzo set off an array of explosive tags around Sakumo, but Sakumo emerged unharmed behind an Inertial Deflection Armor Belt.

Ch. 671The death of the "Demigod"

Hatake Sakumo defeated Hanzō while Kakuzu discovered the Masked Man had to become solid to attack him, but the Masked Man escaped. As Sakumo prepared to take Konan, Yahiko, and Nagato away, Black Zetsu killed Hanzō and dragged his body underground.

  • Hatake Sakumo cut through Amegakure's defenses and mortally wounded Hanzō while he was forming hand seals.
  • Kakuzu recognized that the Masked Man became solid when attacking, but the Masked Man escaped through spatial ripples.
  • Hatake Sakumo approached Konan and told her to bring Yahiko and Nagato and follow him.
  • Hanzō stood again and threatened Sakumo, but Black Zetsu appeared behind him and pierced his heart.
  • Black Zetsu dragged Hanzō's corpse into the ground as the surviving Amegakure ninja watched in shock.

Ch. 672An S-rank emergency

Senju Chen learned that Hatake Sakumo had defeated Hanzo of the Salamander, while a masked man and a plantlike creature interfered in the battle and Yahiko was gravely wounded. Chen sent his clone to the Land of Rain to secure Nagato and Konan, then saw an opportunity to advance his plans in Kirigakure while Obito was away.

  • Kakuzu sent Senju Chen an emergency report that Amegakure's forces had attacked Akatsuki, Yahiko was near death, and Hatake Sakumo had defeated Hanzo of the Salamander.
  • Kakuzu reported that a masked man with intangibility fought him and retreated, while a half-black, half-white plantlike creature killed Hanzo and took his body.
  • Senju Chen deduced that the masked man was Obito and the plantlike creature was Black Zetsu, who had likely targeted Nagato's Rinnegan and killed Hanzo after their plans were disrupted.
  • Senju Chen ordered his Land of Waterfalls clone to go to the Land of Rain and reassure Nagato and Konan, keeping them from exposing the Demonic Statue of the Outer Path.
  • Senju Chen realized Obito's absence from Kirigakure gave him a chance to advance his plans there.

Ch. 673The "Dying" Yahiko

Senju Chen arrived at the Akatsuki base while Yahiko lay near death and used a cellular vitality serum to heal his wounds. He warned Konan and Nagato that Yahiko’s consciousness had almost completely dissipated, leaving his survival uncertain.

  • Konan tried to keep Yahiko alive as Nagato grieved for their fallen comrades and struggled with rage and despair.
  • Senju Chen’s arrival gave Konan and Nagato hope, and he examined Yahiko’s critical injuries.
  • Senju Chen injected Yahiko with a serum made from White Zetsu cells, rapidly healing his wounds and restoring some color to his face.
  • The surviving Akatsuki members celebrated Yahiko’s recovery, but Senju Chen warned that Yahiko’s consciousness had nearly dissipated.

Ch. 674I'll Be Taking Yahiko with Me

Senju Chen used White Zetsu to keep Yahiko alive and transport him, Nagato, and Konan to his research base. Nagato and Konan arrived at the unfamiliar facility, while Yahiko remained cocooned for treatment.

  • Senju Chen warned Konan that Yahiko was gravely injured, poisoned, and close to losing consciousness, and said he needed to take him to his research base.
  • Senju Chen summoned White Zetsu and explained that it could preserve Yahiko's remaining consciousness during the journey.
  • Nagato asked to accompany Yahiko, and Senju Chen summoned two more White Zetsu to carry Nagato and Konan.
  • White Zetsu cocooned Yahiko, Nagato, and Konan, then carried them underground as Senju Chen left Kakuzu and Hatake Sakumo to manage the survivors.
  • The White Zetsu brought Nagato and Konan to Senju Chen's research base, where they saw a brightly lit facility filled with equipment, data screens, and biological specimens.

Ch. 675Had Senju Chen defected from Konoha too?

Senju Chen brought Nagato and Konan to his laboratory and explained that Yahiko’s soul could not survive repairs to his failing body. With Orochimaru’s help, Chen began transferring Yahiko’s soul into a White Zetsu Puppet, leaving the fragile soul suspended between the two bodies.

  • Senju Chen scanned Yahiko and warned Nagato and Konan that repairing his body could destroy his nearly extinguished soul.
  • Senju Chen summoned his teacher Orochimaru to help prepare a soul-transfer ritual, and Nagato and Konan discovered Orochimaru was working in Chen’s laboratory.
  • Orochimaru prepared the Soul Conversion Device and drew a ritual pattern beneath its platform.
  • Senju Chen explained that Yahiko would temporarily inhabit a White Zetsu Puppet while his original body was repaired.
  • Senju Chen connected to the device and used his Spirit Transformation Technique to carefully lift Yahiko’s soul from his mind toward the White Zetsu Puppet.
Arc 27 of 36
Arc 27 of 36