Chapter Summaries

Meikyō’s fear for Dan Katō’s life triggered his Sharingan to awaken the Three Tomoe, while Tsunade and the others saved Dan from his severe injuries. As Dan slowly recovered under Meikyō and his teammates’ protection, Orochimaru’s offensives drove the Sand Ninja and Iwa ninja back.

• Orochimaru told Meikyō that Dan Katō would survive but had suffered grave kidney damage and would be unable to fight during his long recovery.
• Meikyō’s relief at seeing Dan alive unleashed his bottled-up emotions and awakened the Three Tomoe Sharingan.
• After three hours of surgery, Tsunade confirmed Dan was stable, then agreed to rest while other Medical Ninja watched over him.
• Dan woke from his coma three days later and regained some mobility over the following half month as Tsunade checked on him.
• Orochimaru and Hanzo launched several offensives that forced the Sand Ninja and Iwa ninja to retreat.
• Orochimaru assigned Meikyō and his teammates to protect Dan, and Inuzuka Ryo carried the recovering Dan around the hospital despite his protests.

Dan Katō recovered from his injuries while guiding his three disciples, and Orochimaru began assembling a plan against Suna and Iwa. Minato Namikaze met Uchiha Meikyō, and the two discovered they shared similar hopes for the future.

• Meikyō prepared Tsunade’s increasingly potent medicine for Dan, who despaired when he learned the dose would be increased tenfold.
• Dan recovered after another month, warned his disciples not to attempt the Spirit Transformation Technique prematurely, and guided their training while developing his understanding of Yin Release.
• Aburame Nami and Inuzuka Ryo mastered the first layer of the Spirit Activation Technique, while Meikyō reached its second stage and learned to control his emotions.
• Orochimaru received intelligence and began planning an operation against Suna and Iwa, summoning Dan and others to carry it out.
• Minato Namikaze introduced himself to Meikyō, and they shared their dreams of protecting others and bringing peace to the Ninja World.

Orochimaru sent Dan Katō and a team of young, Jonin-level ninjas on a flanking mission to destroy Sunagakure’s logistics depot. After crossing the border during Orochimaru and Hanzo’s attack, the team reached a Suna stronghold and began wrecking its defenses and supplies.

• Orochimaru explained that Dan Katō would lead the team around the flank while Orochimaru and Amegakure drew Sunagakure’s main forces into battle.
• Uchiha Meikyō clarified that he was a Chunin but revealed his Three-Tomoe Sharingan to demonstrate his Jonin-level combat strength.
• Hizashi Hyuga spotted a Suna border sentry post, and the team waited for news of Orochimaru and Jiraiya’s attack.
• Minato Namikaze received confirmation that the attack had begun, and Dan Katō led the team across the border without being detected.
• Dan Katō led the assault on Suna’s first stronghold while Meikyō, Minato, and the others eliminated defenders and destroyed buildings, fortifications, and supplies.

Uchiha Meikyō and his squad destroyed most of Sunagakure’s supply strongholds, helping force Suna to withdraw from the Land of Rain. After his wristwatch reacted near Rōran, Meikyō considered using the Dragon Vein’s spacetime energy to repair it and travel to other worlds.

• Meikyō, Minato Namikaze, and their comrades burned Sunagakure’s stronghold and destroyed sixteen of the seventeen nearby bases in one day.
• Hizashi Hyuga spotted Ebizo’s arriving forces, and Dan Katō ordered the squad to withdraw rather than risk casualties over the few supplies left.
• Chiyo recognized Suna could no longer hold the Land of Rain and began arranging a withdrawal to focus on the southern battlefield led by the Third Kazekage.
• At the Konoha camp, Minato Namikaze mapped the region and told Meikyō that Rōran lay south of the sixteenth stronghold, near Suna’s second battlefield.
• Meikyō recalled that his Reincarnator’s Wristwatch had detected spacetime energy near Rōran and considered using the Dragon Vein to repair it and travel to other worlds.

After Konoha’s victory in the Land of Rain, the village reassigned forces to its remaining fronts while Uchiha Meikyō looked for a chance to reach Rōran’s Dragon Vein. Hatake Sakumo was dismissed as western commander after abandoning a mission to save Hiruzen Sarutobi’s son, leaving the political consequences unresolved.

• Minato Namikaze explained Rōran’s Dragon Vein and its Uzumaki guardians, while Meikyō redirected their conversation to the southern front.
• Konoha removed Hatake Sakumo from command after he abandoned an important mission to rescue comrades, appointing Mimura Hamaki as temporary commander.
• Hiruzen Sarutobi sent Orochimaru to the Land of Hot Water and shifted Konoha forces to face Kumogakure, while Dan Katō took command against Suna.
• Meikyō welcomed the chance to get closer to Rōran but stayed with the army and planned to seek a nearby mission.
• Hatake Sakumo’s assassination mission against the Third Kazekage failed, and he saved Hiruzen Sarutobi’s son and daughter-in-law instead; the son was crippled, and Sakumo was dismissed and recalled.

Uchiha Meikyō helped Konoha defeat the Sand Ninja in the western region of River Country, as the war with Sunagakure neared its end. Dan Katō summoned him after Hiruzen Sarutobi approved a list of promotions, including Meikyō's promotion to Special Jonin.

• Konoha's forces defeated the Sand Ninja after Tsunade, Dan Katō, and their allies overcame Chiyo, Karura, and the weakened Suna commanders.
• Inuzuka Ryo wondered whether the battle would end the war, while Meikyō worried he might lose his chance to visit Rōran and promote his proposal to make it a vassal of the Land of Fire.
• Meikyō left the temporary hospital after Dan Katō summoned him, and Shirakumo Tokinobu explained that Hiruzen Sarutobi had approved the proposed rank promotions.
• Shirakumo Tokinobu celebrated his promotion to Jonin and told Meikyō that Dan Katō had recommended him for promotion to Special Jonin.

Meikyō was appointed a Special Jonin and assigned to a diplomatic mission to persuade the Queen of Roran to bring the country into Konoha’s sphere of influence. The delegation set out the next morning, led by the Nara Elder, to negotiate with Rōran.

• Dan Katō told Meikyō and Shirakumo Tokinobu that they would join a diplomatic mission to Rōran and persuade its queen to align with Konoha.
• Meikyō returned from the Command Room as a Special Jonin, surprising Inuzuka Ryo and Aburame Nami.
• Inuzuka Ryo complained that Meikyō’s mission would leave him without a sparring partner, and Aburame Nami teased him about always losing.
• Meikyō said goodbye to his teammates and went with Shirakumo Tokinobu to meet the Nara Elder and the diplomatic delegation.
• The Nara Elder briefed the delegation on the negotiations and urged them to demonstrate Konoha’s strength before leading them out.

Konoha’s delegation arrived in prosperous Rōran to propose an alliance, but Queen of Roran delayed her answer. The delegation gathered secretly to discuss how to persuade her, with Shirakumo Tokinobu arguing that Konoha needed to prove it could keep Suna from threatening Rōran.

• Meikyō and the other members of Konoha’s delegation crossed the desert and were surprised by Rōran’s prosperity.
• Nara Shikahira and Shirakumo Tokinobu presented the Third Hokage’s proposal for friendly relations, protection, and material support to Queen of Roran.
• Queen of Roran said she favored Konoha but asked for one night to consider the proposal.
• The six delegates met secretly in Nara Shikahira’s room while attendants monitored them.
• Shirakumo Tokinobu said Konoha needed to convince Queen of Roran that it could suppress Suna and protect Rōran.

Uchiha Meikyō infiltrated Rōran’s palace to use the Dragon Vein to repair his Reincarnator’s Wristwatch and search for new world coordinates. He was interrupted by Anrokuzan, who recognized him as a threat and prepared to attack.

• Nara Shikaku advised the Konoha delegation to influence Rōran’s ministers and investigate the forces behind the kingdom’s situation.
• Nara Shikahira assigned himself and Shirakumo Tokinobu to visit ministers while the others secretly gathered intelligence.
• Uchiha Meikyō found the Dragon Vein’s seal in the palace and absorbed its Chakra to repair his Reincarnator’s Wristwatch.
• Meikyō set a restriction for searching for worlds whose highest biological energy level was no more than one tier above his own.
• Anrokuzan arrived at the hall, suspected Konoha wanted the Dragon Vein, and planned to kill Meikyō and turn the queen against Konoha.
• Meikyō revealed that he knew Anrokuzan was a ninja from Sunagakure, and both men readied themselves for a fight.

After Anrokuzan was defeated and the Second Shinobi World War ended, Meikyō used the Reincarnator's Wristwatch to travel to a new world. He arrived in a quiet forest and began searching for signs of human habitation.

• Queen of Rōran allied with Konoha and joined Meikyō and the Konoha ninja in defeating Anrokuzan, whom Meikyō burned to ashes.
• Sunagakure and Kumogakure began peace negotiations with Konoha, and the Second Shinobi World War ended.
• Meikyō returned to Konoha, announced secluded training, and prepared to use the repaired Reincarnator's Wristwatch to explore another world.
• Meikyō activated the wristwatch and arrived beneath the moon in a forest that appeared similar to the Land of Fire.
• Meikyō assessed the forest and decided to follow a water source in hopes of finding a human settlement.

Uchiha Meikyō encountered the Mountain Demon in a cave and learned that he had arrived in the world of Demon Slayer. Meikyō tested his ninjutsu and Sharingan against the demon, whose Muzan-linked cells resisted genjutsu, and the fight continued.

• Meikyō followed human footprints to a cave and found the Mountain Demon eating human remains.
• The Mountain Demon attacked Meikyō after identifying himself as a demon seeking to join the Twelve Kizuki, revealing which world Meikyō was in.
• Meikyō used his Sharingan and wakizashi to deflect the demon, sever his arms, and cut off his head, but the demon regenerated.
• Meikyō blasted the Mountain Demon with Fire Style, burning his body before the demon recovered and demanded to know who Meikyō was.
• Meikyō trapped the Mountain Demon with Sharingan genjutsu, but Muzan Kibutsuji's cells resisted the technique and the demon resumed attacking.

Uchiha Meikyō tested his abilities against Mountain Demon, then trapped him until sunrise and learned the way to a nearby town. After reaching the town to seek information about the Demon Slayer Corps and Breathing Techniques, Meikyō spotted a tall, red-and-yellow-haired man at a food stall.

• Mountain Demon used his Blood Demon Art to form a skeletal giant, but Meikyō blasted it apart with Fire Style: Great Dragon Fire Technique as the cave began to collapse.
• Meikyō repeatedly slashed Mountain Demon and found that the demon's regeneration slowed as he lost strength, then bound him to a tree with special steel wire.
• Meikyō used genjutsu to interrogate Mountain Demon, learned where the nearest settlement was, and watched him turn to ash in the rising sunlight.
• Meikyō traveled to a small town and headed to a food stall to eat and gather information about the Demon Slayer Corps and Breathing Techniques.
• Before ordering, Meikyō noticed a tall man with red-and-yellow hair sitting in the corner.

Uchiha Meikyō met Rengoku Kyōjurō and Kanroji Mitsuri while visiting a sweet shop, where Kyōjurō covered the cost after Meikyō realized he had no yen. As they ate, Meikyō explained that he was a ninja from Konoha, and Kyōjurō resolved to ask Uzui Tengen about the clan crest on Meikyō’s clothes.

• Meikyō ordered the same sweets as Kyōjurō and Mitsuri, then discovered he could not pay with the silver taels he carried.
• Kyōjurō paid for Meikyō’s food and invited him to share their table, where Meikyō introduced himself as a ninja from Konoha.
• Mitsuri asked whether Meikyō found her unusual hair strange, and he reassured her by describing people with many hair colors in his own world.
• Kyōjurō and Mitsuri explained the Sword Ban and the disappearance of ninjas, while Meikyō clarified that he was not a samurai.
• Kyōjurō examined Meikyō’s training and clan crest, then decided to ask Uzui Tengen whether he recognized it.

Meikyō told Rengoku Kyōjurō and Kanroji Mitsuri that he had killed the demon behind the recent disappearances, astonishing them with his strength. Kyōjurō invited Meikyō to join the Demon Slayer Corps, and Meikyō accepted.

• Meikyō revealed that he had caused the commotion on the mountain and killed the demon assigned as Kyōjurō's target.
• Meikyō recounted how he had defeated the powerful demon without a Nichirin Blade or Breathing Techniques, impressing Kyōjurō and Mitsuri.
• Kyōjurō learned that Meikyō's parents had died on a mission and that his other acquaintances were not in this world.
• Kyōjurō apologized for bringing up Meikyō's family and invited him to join the Demon Slayer Corps.
• Meikyō accepted the invitation, explaining that he had little else to do and could put his skills to use fighting demons.

Rengoku Kyojuro attended the Hashira Meeting, where Ubuyashiki Kagaya assigned him to investigate a likely Twelve Kizuki demon in Kyoto as a test of his readiness to become Flame Hashira. Kyojuro also told Kagaya about Uchiha Meikyō and asked that he be invited to join the Demon Slayer Corps.

• Kaname summoned Rengoku Kyojuro to headquarters for the Hashira Meeting, while Meikyō stayed at a Corps outpost and began studying Flame Breathing from three manuals.
• At the meeting, Shinazugawa Sanemi challenged Kyojuro's presence, but Ubuyashiki Kagaya calmed them and began the proceedings.
• Ubuyashiki Kagaya reported that major casualties in Kyoto were likely caused by a member of the Twelve Kizuki.
• Ubuyashiki Kagaya assigned Kyojuro to defeat the demon in Kyoto to prove he could take over the Former Flame Hashira's duties, and Kyojuro accepted.
• Kyojuro told Kagaya that Uchiha Meikyō had held off and destroyed a demon until dawn, and asked to invite him into the Demon Slayer Corps.

Uzui Tengen volunteered to assess Uchiha Meikyō and decide whether he could join the Demon Slayer Corps. Meanwhile, Meikyō continued training with Flame Breathing and theorized that it drew on Natural Energy, leaving him determined to ask Tsunade about Sage Mode when he returned to the Naruto World.

• Uzui Tengen offered to test Uchiha Meikyō's abilities, and Oyakata entrusted the matter to him before ending the Hashira meeting.
• Uchiha Meikyō meditated at the wisteria courtyard and reflected on how the Spirit Activation Technique had improved his Chakra control, concentration, and learning.
• Meikyō practiced Flame Breathing and Uchiha Style Swordsmanship, finding that he could perform the forms but had not mastered Constant Breathing.
• Meikyō theorized that Breathing Techniques used Natural Energy and that the Curse Mark's deadly strain came from forcing too much of that energy through a human body.
• Meikyō decided to ask Tsunade about Sage Mode after returning to the Naruto World so he could understand the risks before ever activating a Curse Mark.

Meikyō practiced the Breathing Technique and considered how it could help him use Sage Chakra more regularly. After sparring with Uzui Tengen, he claimed to belong to Konoha Style, and Tengen decided to test him again with a full fight.

• Meikyō realized that the Breathing Technique let him control Natural Energy enough to form Sage Chakra, though he still needed time to prepare.
• Uzui Tengen attacked Meikyō in the swordsmanship hall, and Meikyō dodged and met his chained blades with his wakizashi.
• After their exchange, Meikyō told Tengen that he practiced Uchiha Style, a branch of Konoha Style, and claimed its other ninjas were not in this world.
• Tengen considered taking Meikyō as his tsuguko because of his skill and their similar backgrounds.
• Tengen invited Meikyō to a more serious spar, and Meikyō accepted to assess the Sound Hashira's strength.

Uchiha Meikyō and Uzui Tengen fought in the wilderness, where they matched each other with ninjutsu, swordsmanship, the Musical Score, and the Sharingan. Afterward, Uzui reported to Ubuyashiki Kagaya that Meikyō was exceptionally powerful, trustworthy, and quick to learn, leaving Kagaya pleased that the Demon Slayer Corps had gained such an ally.

• Uzui Tengen took Uchiha Meikyō to a secluded wilderness and challenged him to fight.
• Meikyō used his Fire Style and swordsmanship to gain an advantage, while Uzui adapted and completed his Musical Score.
• Uzui used the Musical Score to read Meikyō's attack patterns, but Meikyō activated his Three-Tomoe Sharingan and saw through Uzui's movements.
• Two Kakushi watched the fierce fight and marveled that Meikyō could match the Sound Hashira.
• Uzui told Ubuyashiki Kagaya that Meikyō had held back and could defeat most Hashira, while Kagaya welcomed him as a valuable ally.
• Uzui reported that Meikyō had learned all five forms of Sound Breathing after watching him demonstrate them once.

Uzui Tengen and Ubuyashiki Kagaya mistook Meikyō's Sharingan for a form of Flower Breathing and discussed his potential and unfamiliar moral outlook. After Rengoku Kyōjurō returned as the new Flame Hashira, he agreed to guide Meikyō and teach him Flame Breathing.

• Uzui Tengen explained that Meikyō's red eyes resembled the dangerous Other Shore Crimson Eyes, and Ubuyashiki Kagaya agreed that the techniques seemed alike.
• Uzui Tengen reasoned that the Uchiha Clan could use the Sharingan without the blindness risk that afflicted other users, and he predicted Meikyō could become an exceptionally powerful Hashira.
• Ubuyashiki Kagaya asked Uzui Tengen to watch over Meikyō and help him adapt to the Demon Slayer Corps' values, with Rengoku Kyōjurō also set to guide him.
• After returning from Kyoto, Rengoku Kyōjurō told Uzui Tengen he had slain Lower Rank Two, Rui, and inherited the Flame Hashira position from Rengoku Shinjuro.
• Rengoku Kyōjurō decided to start by teaching Meikyō Flame Breathing, and Uzui Tengen warned him to prepare himself.

Uchiha Meikyō quickly learned Flame Breathing and moved into Butterfly Mansion, where Kochō Shinobu delivered his Corps uniform and newly forged Nichirin Blade. The blade changed into a rare mix of azure-gold and crimson, and Tetsuana Kōzō compared its colors to a fusion of Uzui Tengen’s and Rengoku Kyojuro’s swords.

• Uchiha Meikyō learned all nine forms of Flame Breathing after watching Rengoku Kyojuro demonstrate them once.
• A few days later, Kochō Shinobu brought Meikyō his Nichirin Blade and his custom blue-and-black Corps uniform bearing the Uchiha Clan Crest.
• Meikyō arrived at the tea room, where Tetsuana Kōzō was waiting with the blade and Tsuyuri Kanao received him in Shinobu’s stead.
• Meikyō drew the sword, which turned azure-gold along its edge and crimson near its spine, blending into flame-like patterns.
• Tetsuana Kōzō praised the rare colors and likened them to a fusion of Uzui Tengen’s and Rengoku Kyojuro’s Nichirin Blades.