Chapter Summaries

After Akihiko Kayaba’s identity was exposed, Mu Yu rallied the players to resume fighting, while the growing dangers on Floor 75 weighed on the Strategy Group. Mu Yu and Asuna comforted each other, and Mu Yu visited her room for dinner after they agreed to spend the night together.

• Mu Yu let the players vent their grief and anger, then urged them to unite and fight their way to Floor 100.
• Akihiko Kayaba’s revelation triggered suicides, a rise in Criminal Players, and the expansion of Laughing Coffin, while the former Blood Oath Knights joined the Knights of the Blood under Asuna’s leadership.
• The Strategy Group cleared Floors 71 through 74, but rising difficulty and fear of Floor 75 slowed their progress.
• At the guild headquarters, Mu Yu joked with Kirito about Sachi before Asuna brought them lunch, prompting Kirito to recognize his feelings for Sachi and accept Mu Yu and Asuna’s relationship.
• Mu Yu reassured Asuna about the Floor 75 assault, and she shared how she had struggled with fear and sleeplessness in SAO.
• Mu Yu and Asuna discussed their relationship and agreed to spend the night together, after which Mu Yu visited Asuna’s room and settled in while she prepared dinner.

Mu Yu and Asuna celebrated their marriage and began a Floor 74 boss raid with the Strategy Group. After Akihiko Kayaba’s altered boss mechanics nearly overwhelmed them, Mu Yu led the players to victory, but Kayaba announced that Sword Art Online would enter a new mode on Floor 75.

• Mu Yu proposed to Asuna, and she accepted, merging their status and item windows through the system’s marriage feature.
• A week later, Asuna watched Mu Yu sleep and reflected on their life together before he woke and reassured her that they would stay together.
• Mu Yu led the Strategy Group into the Floor 74 boss chamber to fight The Gleaming Eyes, and the raid began with coordinated switches and attacks.
• When The Gleaming Eyes summoned two clones and the players’ Teleport Crystals failed, Mu Yu blocked a lethal blow and coordinated the defense with Asuna, Diabel, Kirito, and the other guilds.
• The Strategy Group defeated the boss and its clones, but Akihiko Kayaba announced that the game would enter a new mode on Floor 75.

Asuna awakened a gentle, golden Intent Skill after Mu Yu explained how resolve could empower a sword. The update’s harsh changes unsettled players across Aincrad, and Kirito challenged Mu Yu to discover what his sword carried; their duel began with Kirito confronting the crushing pressure of Mu Yu’s intent.

• Asuna comforted Mu Yu as they awaited the update, and he hinted that he might be a god before the two shared stories about their childhoods.
• Akihiko Kayaba announced the removal of mandatory Stiffening Time, more demanding crafting, the Mind System, and an option to disable Sword Skill Assistance.
• Mu Yu speculated that the changes might hold clues to his assessment, then taught Asuna about Intent Skills, prompting her to awaken a golden aura through her resolve and affection.
• The update disrupted crafting, equipment, and combat across Aincrad, while players struggled to adapt and Intent Skills widened the gap between the strong and weak.
• Kirito challenged Mu Yu to a duel on Floor 75, explaining that the new Mind System made him eager to experience the joy of playing again.
• Mu Yu and Kirito charged into their duel, and Kirito felt the overwhelming pressure carried by Mu Yu’s sword.

Kirito learned that Knights of the Blood and the Holy Dragon Alliance were preparing to fight Laughing Coffin, while Mu Yu visited Lisbeth for sword maintenance and met Nishida. Nishida’s account of using cattle to plow fields helped Mu Yu understand the trial’s message: Tree Planters were meant to nurture the God Clan’s Supreme World Tree, and Mu Yu’s connection to it strengthened.

• Kirito spoke with Argo about his defeat by Mu Yu, the hardships caused by the update, and the coming campaign against Laughing Coffin.
• Mu Yu and Asuna visited Lisbeth, who maintained their swords and received rare materials to use in forging Mu Yu a new weapon.
• Mu Yu and Asuna found players trying to tame a wild buffalo for plowing, an idea they had learned from Nishida.
• Mu Yu visited Nishida in Goral Village and realized that Tree Planters had once been an ordinary occupation within the God Clan.
• Mu Yu concluded that the trial concerned planting the Supreme World Tree, felt his bond with it grow stronger, and shared dinner with Nishida and Asuna.

After Mu Yu led the Strategy Group to victory over the Floor 75 boss, the players regained hope and pushed rapidly toward the top of Aincrad. Following devastating losses on Floor 90, Mu Yu changed how he prepared his comrades, and the chapter ended with the group reaching Final Town on Floor 99, where he shared a warm moment with Asuna.

• Mu Yu and the Strategy Group defeated the Skeleton Slayer, and every raider returned safely to Kolinia City, where the players celebrated their victory.
• The players discovered that Intent Skills could strengthen crafted works, and Lisbeth devoted herself to forging Mu Yu an epic sword.
• The Strategy Group cleared several floors before bad intelligence during the Floor 90 boss raid led to heavy casualties and Yosel's death.
• Asuna, Kirito, Agil, Klein, and the others urged Mu Yu to rely on his comrades, prompting him to teach sword techniques and create the Mu-Yui Concentric Sword with Asuna.
• After defeating the bosses on Floors 91 through 98, the Strategy Group reached Final Town on Floor 99, and Mu Yu laughed with Asuna as she tried on an apron.

Mu Yu and Asuna spent their final peaceful days in Final Town before leading the Strategy Group into the Floor 99 boss chamber. Akihiko Kayaba teleported Mu Yu away as the [Ruler of the Gods] appeared, leaving Asuna to take command of the battle.

• Mu Yu and Asuna toured Final Town, added to their Aincrad memorial album, and agreed to watch sunsets together in the real world.
• Players gathered in Final Town, facing their fears about returning to reality and preparing to fight the Floor 99 boss.
• Mu Yu led the Strategy Group through a Corridor Crystal into the boss chamber and urged everyone to survive.
• Akihiko Kayaba's teleportation light seized Mu Yu, and Asuna failed to reach him before he vanished.
• The [Ruler of the Gods] appeared, and Asuna took command, organizing the players into battle positions.

Mu Yu faced Akihiko Kayaba in the Crimson Jade Palace, where their sword fight escalated into a clash of powerful Intent Swords. Kayaba revealed that Aincrad itself was the core of his intent, and Mu Yu answered with a newly empowered sword as their decisive battle continued.

• Mu Yu arrived at the Crimson Jade Palace and saw Akihiko Kayaba waiting with his Cross Shield.
• Kayaba recognized the second sword on Mu Yu’s back, and the two clashed with their swords and Intent Skills.
• Kayaba countered Mu Yu’s techniques until Mu Yu drew his second sword and overwhelmed him with the speed of Two-Sword Style.
• Kayaba summoned Aincrad’s phantom and revealed that the world was the core of his sword’s intent, pressing Mu Yu down with its immense weight.
• Mu Yu vowed to defeat Kayaba, his sword became heavy and solid, and Kayaba laughed as he recognized that they were alike.

Mu Yu defeated Akihiko Kayaba on Floor 100, clearing Sword Art Online while Asuna and the Strategy Group survived the final boss on Floor 99. As the players celebrated the return of the Log Out button, Asuna rushed to find Mu Yu.

• Asuna led the Strategy Group against the Ruler of the Gods while Kirito, Klein, Agil, Diabel, and the other players fought at great cost.
• Mu Yu and Akihiko Kayaba clashed in Crimson Jade Palace, then launched a final attack with their opposing powers.
• The wishes entrusted to Mu Yu by Aincrad’s players surged through him, and he defeated Akihiko Kayaba with the Dark Holy Sword.
• Akihiko Kayaba acknowledged their differences and announced that the game had been cleared before vanishing.
• The Strategy Group defeated the Ruler of the Gods at the cost of twenty-four lives, and players across Aincrad received the system announcement and regained the Log Out button.
• Asuna hurried toward Floor 100 to reunite with Mu Yu and ask about the spectacular view he had promised her.

After clearing Sword Art Online, Mu Yu reunited with Asuna and watched Aincrad collapse as Akihiko Kayaba helped protect the remaining players. Mu Yu became an official Tree Planter, began turning the Garden of the Gods into a God City modeled on Aincrad, and set off to find Asuna in the real world.

• Mu Yu regained his powers after clearing the assessment, activated the Floor 100 Transfer Gate, and reunited with Asuna as Aincrad's self-destruction began.
• Mu Yu carried Asuna above the collapsing castle, revealed his connection to the God Clan, and reassured her that he would remain himself.
• Akihiko Kayaba discovered that someone was intercepting player data, agreed to help free players who had not yet logged out, and left as Aincrad was destroyed.
• Asuna logged out after promising to wait for Mu Yu, and the system offered him the chance to build a God City using Aincrad as its blueprint.
• Mu Yu accepted the offer, returned to the Garden of the Gods as it began expanding, and used Spiritual Pressure to locate Asuna in Tokyo.

Mu Yu awakened Asuna in the hospital, reunited her with her family, and resolved to deal with Nobuyuki Sugou before leaving. After learning Sugou still intended to pursue Asuna, Mu Yu confronted him at RECT and used Soul Separation to pull Sugou’s soul from his body, then subjected him to agony.

• Mu Yu used Kyokkō to enter Asuna’s hospital room and wake her, but she refused a Senzu Bean so her recovery would not draw suspicion or bring trouble upon him.
• Asuna and Mu Yu agreed that he would accompany her through rehabilitation, and he vanished just before her parents and brother arrived for their emotional reunion.
• Mu Yu created a basic identity for himself, learned about RECT and Sugou’s scheme, and decided to deal with Sugou for targeting Asuna.
• Sugou learned that Asuna had awakened and married Mu Yu in SAO, then discovered Mu Yu’s supposedly ordinary identity and vowed to challenge him in reality.
• Mu Yu entered Sugou’s laboratory, revealed himself as Asuna’s husband, and used Soul Separation to pull Sugou’s soul from his body.
• Mu Yu’s attack engulfed Sugou’s separated soul in unbearable pain.

Mu Yu forced Nobuyuki Sugou to free the imprisoned SAO players, surrender evidence of his crimes, and end his life, bringing the incident to a close. While accompanying Asuna through rehabilitation, Mu Yu grew closer to ordinary life and won Yuuki Shouzo’s approval as Asuna’s partner.

• Mu Yu released Sugou’s soul, ordered him to free the detained players, hand over evidence, and kill himself, and Sugou obeyed after Mu Yu left.
• The imprisoned players logged out safely, Sugou died the next day, and Mu Yu kept the storage device containing evidence of Sugou’s crimes.
• As SAO’s secrets became public, Kikuoka Seijirou visited Mu Yu and gathered intelligence about the incident.
• Mu Yu accompanied Asuna through rehabilitation and reflected on how growing stronger could distance him from ordinary people.
• Yuuki Shouzo thanked Mu Yu for caring for Asuna, approved of their relationship, and asked him to keep looking after her.

Mu Yu brought Asuna home to meet her family after her recovery, while Asuna and Mu Yu spent a day visiting Japan’s sunset spots. At dinner, Kouichiro welcomed Mu Yu warmly, but Yuuki Kyoko challenged him to explain why she should approve of his marriage to Asuna.

• Mu Yu destroyed the evidence drive he had prepared for Yuuki Shouzo after Shouzo accepted his relationship with Asuna without opposition.
• Ten days after Asuna woke, Mu Yu gave her a Senzu Bean, then took her flying to see Japan’s sunset-viewing spots.
• Asuna warned Mu Yu that her mother could be severe, and Mu Yu promised to be patient with her.
• Kouichiro greeted Mu Yu warmly, supported his relationship with Asuna, and began letting go of his guilt over her time in Sword Art Online.
• Yuuki Kyoko gave Mu Yu a cold reception and demanded to know why she should agree to let him marry Asuna.

Mu Yu revealed his overwhelming power to the Yuuki Family, then reassured them by describing his love for Asuna and praising Yuuki Kyoko’s parenting. Yuuki Kyoko accepted him as her son-in-law, and the family grew warm toward him before seeing his betrothal gifts.

• Mu Yu changed into the Night Set and used Senbonzakura to take the Yuuki Family from Tokyo to Hojo Coast and then to another world.
• Mu Yu introduced himself as a swordsman and demonstrated his strength by cutting down a vast forest, then recounted his accomplishments across several worlds.
• Mu Yu returned the family to their home, bowed to Yuuki Kyoko, and explained how much he loved and admired Asuna.
• Mu Yu praised Asuna’s strength and Kyoko’s care as a mother, easing the family’s fear and winning their trust.
• Yuuki Kyoko accepted Mu Yu, and he began calling her Mom as the family welcomed him warmly.
• The Yuuki Family saw Mu Yu’s betrothal gifts and was astonished.

Mu Yu and Asuna spent their final night together before he left Sword Art World, with Asuna accepting his departure and planning to excel at school. The next day, Mu Yu flew to Europe under the excuse of studying abroad, then vanished to travel to another world.

• Mu Yu told Asuna stories about his past travels, and she understood why he continued journeying between worlds.
• Mu Yu asked Asuna about transferring schools, and she said she had agreed to her mother's plan and would work hard.
• Mu Yu reassured himself that the Pure Gold ring he had given Asuna would slow her aging, while keeping its true effect secret from the Yuuki Family.
• Mu Yu boarded a plane for the United Kingdom as Asuna and the Yuuki Family watched, using study abroad as an excuse to leave Sword Art World.
• After arriving in the United Kingdom, Mu Yu vanished without a trace, while Asuna resolved to become even more outstanding.

After completing the Sword Art World assessment, Mu Yu reviewed his rewards, adapted to his new power, and traveled to the Naruto World. He arrived in an unfamiliar forest, eager to investigate its Chakra and Divine Tree.

• Mu Yu reviewed his Sword Art World assessment, which credited him with defeating Akihiko Kayaba, saving players, and punishing Laughing Coffin, and awarded him the Power of a City and Mind System enhancements.
• Mu Yu explored his God City, watched his World Trees grow, and practiced controlling his newly increased power during a month of travel through the void.
• The system identified the next destination as the Naruto World, and Mu Yu became interested in its Divine Tree and Chakra.
• Mu Yu accepted the system's offer to enter the Naruto World and arrived in a forest of towering ancient trees.

Mu Yu encountered Konoha Anbu in the forest and effortlessly repelled their attacks while trying to explain that he meant no harm. After an Anbu member raised the alarm, powerful reinforcements began converging, leaving Mu Yu facing a larger confrontation.

• Mu Yu sensed several hidden Anbu members surrounding him and realized they intended to attack.
• The Anbu threw kunai and used Wind and Earth Release techniques, but Mu Yu stopped the weapons and shrugged off the attacks.
• Uzuki Yugao attacked with Dance of the Crescent Moon, but Mu Yu caught her sword and immobilized her.
• Mu Yu asked the Anbu to talk, but one of them fired a signal flare that drew powerful presences from Konoha.
• Mu Yu warned the Anbu that calling reinforcements would lead to trouble as the Anbu prepared to defend Konoha's honor.

The chapter recounted Konoha’s history and its pride despite the devastation caused by Pain, while noting the village’s lingering prejudice against Naruto Uzumaki. When a signal flare ignited in the forest outside Konoha, the village’s clans and forces mobilized to confront an unknown enemy.

• The chapter described how the Five Great Nations and their ninja villages competed for power, with Konoha claiming a position of superiority.
• Hashirama Senju and Tobirama Senju established Konoha’s strength, and the village repeatedly defeated its rivals in the Great Ninja Wars.
• Konoha suffered major losses over the years, but Naruto Uzumaki defeated the six Pains and revived those killed during Pain’s invasion.
• Konoha’s ninja remained proud after the village’s destruction, though many still struggled to accept Naruto and the village felt vulnerable during reconstruction.
• A signal flare in the forest prompted Might Guy and his disciples, the Ino-Shika-Cho teams, the Hyuga Clan, other clans, and Anbu to deploy their elites.

Mu Yu confronted Konoha’s Anbu while Neji Hyuga watched with his Byakugan and found that the mysterious intruder had no visible Chakra. Mu Yu overwhelmed nearly the entire Anbu force with Conqueror’s Haki, leaving Team Guy stunned as they rushed toward the battlefield.

• Neji Hyuga used his Byakugan to identify Mu Yu as the lone intruder and saw no Chakra flowing through his body.
• Might Guy and Team Guy hurried toward Mu Yu after Neji reported the strange discovery.
• Mu Yu revealed the positions and numbers of the surrounding Anbu, unsettling them with his sensing ability.
• The Anbu launched a coordinated attack on Mu Yu, using probes, concealment, and supporting positions.
• Mu Yu unleashed Conqueror’s Haki, causing nearly every Anbu member to collapse while their Jonin commander remained standing in terror.
• Team Guy felt Mu Yu’s overwhelming pressure, and Neji saw that the Anbu had been nearly wiped out.

Might Guy and Konoha’s elite ninja confronted Mu Yu, whose Conqueror’s Haki and gravity powers incapacitated the Anbu and thwarted Konoha’s ambush. With Konoha’s leaders absent or incapacitated, Guy prepared to risk the Eight Gates Formation as the battle reached a desperate point.

• Might Guy ordered Neji to scout, Tenten to stop lower-ranked ninja from approaching, and Rock Lee to protect them while Guy went to face Mu Yu.
• Mu Yu explained that he was only passing by, and the Anbu jonin collapsed after realizing their defeat might have been a misunderstanding.
• Shikaku Nara led Konoha’s elite jonin in an ambush, but Mu Yu’s Press-Press Fruit increased gravity and sent their hidden weapons crashing to the ground, triggering explosions around him.
• Might Guy arrived and told Shikaku that Mu Yu had no Chakra, leaving Shikaku stunned.
• Might Guy offered to lead the battle, and Shikaku warned him not to open the Eighth Gate before the last moment.

Might Guy opened the Sixth Gate and attacked Mu Yu, but Mu Yu evaded every strike with ease. After Mu Yu challenged him to use more power, Guy opened the Seventh Gate, and his aura reached even the civilians inside Konoha.

• Might Guy opened the Sixth Gate, astonishing the watching Konoha ninja with his strength and speed.
• Guy's punches and martial arts attacks failed to hit Mu Yu, whose Observation Haki let him evade them effortlessly.
• Guy used Morning Peacock, but Mu Yu vanished with Soru and avoided the attack as it devastated the area.
• Guy tried a spinning kick against Mu Yu's afterimage, then asked who his opponent was.
• Mu Yu praised Guy but questioned whether the Sixth Gate was enough, prompting Guy to open the Seventh Gate and unleash a greater aura.