Chapter Summaries

Anyo entered the Ninja Academy to find a suitable Lightning Release heart for Kakuzu and encountered Killer B, whose seven-sword style impressed him. After class, Anyo followed Killer B and challenged him to a swordsmanship match, leaving the two about to fight.

• Kakuzu questioned why Anyo was helping him, and Anyo said they would help each other while Kakuzu looked for somewhere to stay.
• Anyo entered the Ninja Academy as Baiyun and asked his classmates about powerful Lightning Release users, ruling out the Raikage and his son as targets for Kakuzu.
• Killer B arrived to teach the class, demonstrated his seven-sword style, and amazed Anyo with its speed and range.
• After the lesson, Anyo followed Killer B and asked to spar, so Killer B lent him a sword.
• Anyo tested the sword and charged at Killer B.

Anyo developed a powerful new sword strike while sparring with Killer B, who named it the Dancing Blade Technique. After learning Killer B was the Eight-Tails Jinchuriki, Anyo hurried off to find Kakuzu and try to stop him from attacking.

• Anyo used a spinning counter to disarm Killer B and held his sword to Killer B's throat, then chose not to kill him and returned his weapon.
• Killer B named Anyo's new strike the Dancing Blade Technique and invited him to visit, but Anyo declined and went back to school.
• Kakuzu emerged from the shadows, said he would watch Killer B for a chance to act, and followed Anyo.
• Anyo realized Killer B carried the Eight-Tails after hearing classmates describe a bull-headed monster with a broken horn.
• Fearing Kakuzu would attack and involve him, Anyo pretended to have a stomachache and hurried after Kakuzu.

Anyo found Kakuzu fighting Killer B and helped him escape Kumogakure by posing as a hostage. After Anyo’s clone was declared dead and Kumogakure and Iwagakure began fighting, Kakuzu agreed to accompany him to Sunagakure.

• Anyo found Kakuzu battling Killer B, who had transformed into the Eight-Tails, and learned Kakuzu had taken a Lightning Release ninja’s heart.
• Anyo told Kakuzu to take him hostage, and Killer B stopped attacking so Kakuzu could flee with him.
• Anyo guided Kakuzu through the pursuing Cloud ninja and into a group of Stone ninja led by Kitsuchi.
• Kitsuchi attacked them, and the Cloud ninja believed Anyo was dead, sparking a battle between Kumogakure and Iwagakure.
• Anyo revealed he had used a clone, and Kakuzu agreed to go with him to Sunagakure.

Anyo and Kakuzu traveled toward Sunagakure, gambling for money along the way and passing through war-torn Amegakure. After Anyo gave money to Yahiko, he and Kakuzu were stopped by Rain Ninja who revealed that Amegakure was at war with Sunagakure.

• Anyo invited Kakuzu to join an organization of equals, but Kakuzu refused.
• Anyo won a large amount of money at a casino, while Kakuzu lost his chips.
• In Amegakure, Anyo gave banknotes to Yahiko, who reunited with Konan and Nagato and shared the money with them.
• Nagato sensed an unusual darkness within Anyo and felt uneasy, though Anyo did not realize the Rinnegan was nearby.
• Rain Ninja stopped Anyo and Kakuzu and explained that Hanzō was leading Amegakure into war against Sunagakure.

Anyo and Kakuzu went to observe Hanzō’s battle against Sunagakure, where Hanzō’s poison initially drove the Sand Ninja back. Chiyo discovered that Hanzō needed five minutes to replenish his poison, leaving him worried that Sunagakure could exploit the weakness.

• Kakuzu killed the Rain Ninja who insulted him, and Anyo decided to meet Hanzō and study his poison.
• Anyo interrogated a captured Rain Ninja and learned that Amegakure had gained the upper hand with its poison attack.
• Anyo and Kakuzu saw Hanzō use poisonous mist to force Sunagakure’s forces to retreat.
• Chiyo confronted Hanzō with her puppets, then drew out the battle to measure how long his poison took to replenish.
• Chiyo told Hanzō she had timed the replenishment interval at five minutes and left, causing Hanzō to doubt his chances against Sunagakure.

Anyo and Kakuzu met Hanzō, and Anyo proposed helping Amegakure seek an alliance with Kumogakure. After leaving Hanzō, the pair traveled toward Sunagakure, where Kakuzu asked how Anyo planned to sneak in.

• Hanzō challenged Kakuzu and asked why he and Anyo had been spying on him.
• Anyo warned Hanzō that his enemies had learned when he needed to replenish his poison and argued that Amegakure needed allies.
• Anyo proposed forming an alliance with another village, and Hanzō asked him to bring back an agreement from Kumogakure.
• Anyo told Kakuzu he could not visit Kumogakure because its ninja would recognize him as a dead man returned to life, and Kakuzu deduced that he was a Konoha ninja.
• Anyo and Kakuzu crossed the desert toward Sunagakure, and Kakuzu asked how they would sneak in.

Anyo and Kakuzu entered Sunagakure openly, where Anyo met the puppeteer Ebizo and discussed learning the Puppet Technique from him. After Ebizo warned that training would take years, Anyo left to consider it, and Kakuzu cautioned him about the danger of his identity being exposed.

• Anyo rode a wooden ox puppet with Kakuzu into Sunagakure and treated a bald middle-aged man to a meal.
• Anyo told the man he hoped to study puppetry, and the man revealed that he was Ebizo, Chiyo's younger brother and the maker of Anyo's puppet.
• Ebizo offered to teach Anyo, but explained that learning the Puppet Technique would take years, so Anyo said he needed to discuss it with Kakuzu.
• After Anyo and Kakuzu left the restaurant, Kakuzu warned him about staying in Sunagakure and risking exposure, and Anyo laughed that Kakuzu seemed worried about him.

Anyo joined Sunagakure as Kurotsuchi to study the Puppet Technique under Ebizo and quickly surpassed his teacher’s study plan. When Ebizo and Chiyo left for the war against Konoha, Anyo discovered that young Sasori could make a flying puppet and invited him to build a larger one together.

• Anyo gave Kakuzu intelligence to deliver to the Konoha White Fang, and Kakuzu accepted the job before leaving Sunagakure.
• Anyo introduced himself to Ebizo as Kurotsuchi and joined Sunagakure so Ebizo would teach him the Puppet Technique.
• Anyo showed extraordinary skill with puppets while also training his swordsmanship and studying puppet-making.
• After more than two months, Anyo completed Ebizo’s study plan and went to find him for advice on building a flying puppet.
• Anyo learned from Sasori that Ebizo and Chiyo had left to fight Konoha, then watched Sasori’s bird puppet fly briefly.
• Anyo praised Sasori’s skill and proposed that they work together to build a larger flying puppet.

Anyo and Sasori worked together on puppet designs, tested a flying eagle puppet, and explored Chiyo’s secret poison room. The eagle’s flight remained unstable, but Sasori began teaching Anyo about poisons and their effects.

• Anyo sensed Sasori’s parents watching them from the shadows, while they decided to leave the boys alone.
• Sasori chose Anyo’s Transformer design, but Anyo persuaded him to build an eagle puppet while telling him about Megatron and Optimus Prime.
• Anyo and Sasori completed the eagle and tested it, but its slow, unstable flight disappointed Anyo.
• Sasori led Anyo through the corridors using puppet scouts and opened the door to Chiyo’s secret room.
• Sasori showed Anyo the poisons and explained how different substances and combinations affected people.

Anyo and Sasori improved their puppet-making and poison skills, and Chiyo upgraded their flying Eagle Puppet. As Sasori’s parents left for the front, Anyo persuaded Chiyo to let him join the battlefield, where he planned to make his identity as Kurotsuchi disappear.

• Anyo and Sasori tested their Eagle Puppet, and Chiyo returned from the front and praised their work.
• Chiyo modified the Eagle Puppet using her Power Core, making it larger, faster, and capable of attacking.
• Anyo took Sasori for a flight, while Sasori’s parents told Chiyo they were leaving to fight at the front.
• After sealing the Eagle Puppet into a scroll, Anyo asked Chiyo to let him join the battlefield and she agreed.

Anyo met White Fang at a Sunagakure outpost, where they fought three sword strikes before White Fang released the seal suppressing Anyo’s chakra. After returning to Konoha to rest, Anyo spotted Tsunade outside a gambling den and persuaded her to play cards.

• Anyo reached a Sunagakure outpost just as White Fang attacked, and White Fang challenged him with his sword.
• Anyo defended against White Fang’s strikes and used his Blade-Breaking Technique, but was knocked back after their blades clashed.
• White Fang let Anyo survive, removed his Sunagakure forehead protector, and released the Sealing Jutsu that had suppressed his chakra.
• White Fang told Anyo to rest in Konoha before heading toward the battlefield near Iwagakure, and Anyo warned him about Sunagakure’s puppets and poisons.
• Anyo returned to Konoha and slept, then woke and realized he had little money left.
• Anyo recognized Tsunade outside a gambling establishment and used her embarrassment to persuade her to play cards with him.

Anyo lost repeatedly to Tsunade at cards, Hanafuda, and mahjong, then discovered that the shock of losing had awakened his Two-Tomoe Sharingan. Tsunade learned he was Uchiha and agreed to keep his clan identity secret in exchange for another bottle of medicine, while Orochimaru called from outside that Tsunade’s little brother was missing.

• Anyo lost two high-card rounds and a Hanafuda game to Tsunade, emptying his wallet.
• Anyo wagered a bottle of poison on mahjong, but Tsunade won with a Heavenly Hand.
• Tsunade noticed Anyo’s newly awakened Two-Tomoe Sharingan and realized he belonged to the Uchiha Clan.
• Anyo offered Tsunade another bottle of medicine to keep his identity secret, and she accepted.
• Orochimaru called from outside and told Tsunade that her little brother was gone.

After her younger brother died in the war, Tsunade attended a meeting where the Third Hokage outlined Konoha’s losses and proposed organizing ninja into four-person squads. Tsunade called for medical specialists in every squad, and Dan supported her as the debate began.

• Tsunade saw her younger brother’s body and took back the necklace Orochimaru had recovered; Orochimaru then summoned Anyo to attend the Hokage’s meeting.
• Anyo arrived at the meeting, where the Third Hokage reported Konoha’s severe wartime losses and asked Anyo to present intelligence about other nations.
• Anyo presented his intelligence, and the Third Hokage proposed forming four-person ninja squads led by Jonin.
• Tsunade objected that each squad needed a medical specialist and urged Konoha to train medical ninja and establish a medical system.
• Dan supported Tsunade’s request, saying Konoha should learn from the ninja who had already died.

At a meeting, Anyo endorsed Tsunade’s plan to train more medical ninjas and develop a medical system, then was taken to the hospital and taught medical ninjutsu. Tsunade was impressed by his exceptional learning speed and ordered him to stay for intensive lessons, while Anyo remained unsure whether his teacher, White Fang, would let him pursue the work.

• The Third Hokage asked Anyo for his opinion, and Anyo supported Tsunade’s proposal while explaining how trained medical ninjas could reduce Konoha’s losses in a prolonged war.
• Anyo’s comment about Tsunade possibly dying angered her, and the Third Hokage ended the meeting before she could act.
• After the other ninjas left, Tsunade carried Anyo to the hospital and made him observe her medical work.
• Anyo quickly learned medical chakra techniques and helped remove foreign objects from a patient’s wounds, impressing Tsunade with his talent.
• Tsunade asked whether Anyo would become a medical ninja, and he said the choice depended on whether White Fang would let him.
• Tsunade ordered Anyo to stay at the hospital for the next few days and undergo intensive lessons.

Anyo showed Tsunade two poisons from Sunagakure, and she identified one and developed an antidote for the other while immersing herself in research. After sharing breakfast and another day of medical work, Anyo proposed a combat role for medical ninja and demonstrated how the Chakra Scalpel could be used as a weapon, leaving Tsunade laughing.

• Anyo explained that one poison came from two harmless flower buds, and Tsunade tasted it and identified its ingredients as bauhinia and mimosa.
• Tsunade analyzed Anyo's mixture of five deadly venoms and produced a transparent antidote, then asked him for more poisons.
• Tsunade researched antidotes through the night, and Anyo covered her with a blanket before she woke and joined him for breakfast.
• Anyo and Tsunade returned to the hospital, where he argued that Konoha needed a comprehensive medical system and explained the obstacles to assigning medical ninja to squads.
• Anyo proposed a combat system for medical ninja and used a Chakra Scalpel to sever the pathways in his own arm before healing himself, making Tsunade laugh.

Anyo and Tsunade tested using medical ninjutsu to disable opponents and developed the idea of delivering poison gas at range. After inhaling a toxin during their research, Anyo summoned Katsuyu as his summoning beast and collapsed, leaving Tsunade to treat him while Katsuyu examined her new summoner.

• Tsunade tested Anyo’s chakra scalpel technique on herself and confirmed that it could disable an opponent’s arm.
• Anyo suggested using poison gas to let medical ninjas attack from a distance, and Tsunade recruited him to help research poisons.
• Anyo accidentally inhaled a toxin, and Tsunade told him to deal with its effects himself.
• Anyo persuaded Tsunade to let him sign her summoning scroll and choose Katsuyu as his summoning beast.
• Anyo summoned Katsuyu, then lost consciousness; Tsunade caught him and treated him while Katsuyu examined her new summoner.

Anyo recovered from Tsunade’s poison experiments and continued studying toxins with her and Katsuyu. The Third Hokage promoted him to Anbu Squad Captain and sent him to the Iwagakure battlefield, where he left Tsunade without saying goodbye in person.

• Anyo summoned Katsuyu, who explained that Tsunade had saved him, and told her he wanted to become someone like the First Hokage.
• The Third Hokage summoned Anyo and said his intelligence work had earned him a promotion to Jonin and the ability to lead missions.
• Anyo voiced his preference to remain with his teacher, then accepted the Third Hokage’s offer to join the Anbu.
• The Third Hokage appointed Anyo Anbu Squad Captain and ordered him to lead a selected team to support the Iwagakure battlefield, leaving that night.
• Anyo put on his Anbu mask, went to Tsunade’s office, and said goodbye before leaving; Tsunade opened the door after he was already gone.

Anyo’s Anbu squad attacked Iwagakure’s rear supply lines, but Katsuyu warned him that Tsunade and Jiraiya were trapped after an ambush. Anyo sent his squad to exploit a weakness elsewhere and went alone to draw Iwa ninja away, preparing to fight the ten pursuers.

• Anyo led his ten-member Anbu squad on guerrilla strikes against Iwagakure’s rear, losing four members over half a month of operations.
• Katsuyu told Anyo that Tsunade and Jiraiya were trapped in a mountain after their squad was ambushed, with Jiraiya gravely wounded.
• Anyo ordered the remaining Anbu to attack a weakly defended target while he went alone to buy time for reinforcements to reach the Sannin.
• Anyo found Iwa ninja bombarding the mountain, transformed into Jiraiya, and used a Fire Release attack to draw some of them away.
• Anyo led ten pursuing Iwa ninja into the forest, released his disguise, and prepared to fight them with his Sharingan and short sword.

Anyo returned to the Logistics Outpost and found his squad caught in the destruction caused by a rampaging Five-Tails Jinchuriki. As Iwa ninja closed in and his wounded teammates urged him to leave them behind, Anyo chose to teach them Mutually Multiplying Explosive Tags.

• After confirming the Sannin had been rescued, Anyo flew toward the Logistics Outpost and found it burning as the transformed Five-Tails Jinchuriki rampaged through both sides’ forces.
• Anyo used the Spirit Transformation Technique to locate his squad, then rescued four survivors and treated their worst injuries with medical ninjutsu and Katsuyu’s help.
• An injured Anbu member explained that he had used his eye power to make the Jinchuriki go berserk, destroying Iwagakure’s largest logistics supply outpost.
• Iwa ninja spotted Anyo’s low-flying group, and the surviving squad members urged him to abandon them while one Anbu member jumped off the Eagle Puppet to cover his escape.
• Anyo released Katsuyu’s summoning, gave the wounded members explosive tags, and began teaching them Mutually Multiplying Explosive Tags.

After his Anbu squad sacrificed themselves to destroy Iwagakure's supply bases, Anyo awakened his Three-Tomoe Sharingan and returned to Konoha. He reported to the Third Hokage, agreed to rest before joining White Fang at the Sunagakure front, and reunited with Kurenai Yuhi, ending the day invited to dinner at her home.

• Anyo watched the Anbu squad use Mutually Multiplying Explosive Tags, and his Sharingan evolved into the Three-Tomoe Sharingan as he flew away.
• The Anbu squad's final explosion devastated Iwagakure's supply depot, and the Tsuchikage berated the Five-Tails Jinchuriki after he reverted to human form.
• Anyo returned to Konoha and gave the Third Hokage a detailed report, then asked to join his teacher at the Sunagakure front.
• The Third Hokage ordered Anyo to rest in Konoha for three days before leaving for the battlefield.
• Anyo met Kurenai Yuhi in the street, spent the day with her, and accepted Shinku's invitation to dinner.