Chapter Summaries

Uesugi Sasuke and Kyojuro Rengoku coordinated to counter Akaza, combining Sasuke’s Sharingan predictions with Kyojuro’s flaming sword techniques. Akaza was driven back until he unleashed a wide-area attack against both Hashira.

• Akaza attacked Kyojuro and then targeted Sasuke, but Sasuke used his Sharingan to evade three blasts of Destructive Death: Air Type.
• Sasuke warned Kyojuro that Akaza’s attacks tracked fighting spirit and offered to call out Akaza’s movements, while Kyojuro agreed to follow his commands.
• Sasuke guided Kyojuro through Akaza’s attacks, and the two repeatedly blocked and countered him with sword strikes and wisteria-poisoned kunai.
• Akaza realized Sasuke’s predictions were disrupting his fighting style and decided to break their coordination by attacking the entire area with Destructive Death: Disorder.

Akaza unleashed Destructive Death: Disorder, overwhelming Kyojuro and forcing Sasuke to retreat. With Kyojuro badly wounded but still standing, Akaza began a decisive attack aimed at killing him.

• Akaza used Destructive Death: Disorder, filling the battlefield with blasts that overwhelmed Kyojuro’s fiery defense and forced Sasuke to dodge away.
• Sasuke was grazed and his haori was scorched as Akaza’s attack drove him from Kyojuro’s side.
• Kyojuro chose to hold his ground to protect his junior, enduring repeated blows until Disorder subsided.
• Akaza praised Kyojuro’s Fighting Spirit and said he was nearing the Supreme Territory, but Kyojuro vowed to keep him there until dawn.
• Akaza activated his Compass Needle and charged at the isolated Kyojuro with Destructive Death: Annihilation Style.

Kyojuro Rengoku faced Akaza alone after Sasuke was separated from the fight. As they unleashed their ultimate techniques in a head-on clash, a blinding light erupted beside the wreckage of the Mugen Train.

• Akaza used a barrage of punches to separate Sasuke from Kyojuro and regain control of the battlefield.
• Akaza praised Kyojuro's Fighting Spirit and prepared to attack with Destructive Death: Annihilation Style.
• Kyojuro recalled his mother's teaching, resolved to protect everyone, and gathered his strength into his Nichirin Blade.
• Akaza charged at Kyojuro with his strongest punch as Kyojuro countered with Flame Breathing, Ninth Form: Purgatory.
• Kyojuro's flaming charge and Akaza's punch collided, releasing a destructive white light beside the Mugen Train wreckage.

Kyojuro Rengoku and Akaza clashed at the limits of their strength, but Akaza shattered Kyojuro’s ultimate technique and sent a finishing punch toward him. Sasuke, too injured and far away to intervene, watched the blow close in as rage and despair overwhelmed him.

• The blast from Kyojuro and Akaza’s clash threw Tanjiro to the ground and left him staring at the battlefield.
• Kyojuro’s Nichirin Blade cut deeply into Akaza, while Akaza’s fist pressed against the flaming dragon of Kyojuro’s technique.
• Akaza sensed Kyojuro weakening and poured all his strength into his punch.
• Akaza shattered Kyojuro’s flaming dragon, and his fist continued toward Kyojuro’s unguarded abdomen.
• Sasuke recognized the punch’s trajectory as part of what was originally supposed to happen, but he could not reach Kyojuro in time.
• Kyojuro could no longer move as Akaza’s finishing punch approached.

As Akaza’s punch neared Kyojuro Rengoku, Uesugi Sasuke’s fear of losing another companion awakened his Mangekyō Sharingan. The chapter ended with Sasuke facing the attack as time seemed to stop.

• Sasuke saw that he was too far away to stop Akaza from striking Kyojuro and was overwhelmed by helplessness.
• Sasuke remembered the bonds he had formed with Kyojuro and his other companions and refused to watch someone die again.
• Sasuke’s intense emotions triggered a painful transformation in his right eye.
• Sasuke awakened the Mangekyō Sharingan as Akaza’s fist stopped just inches from Kyojuro’s abdomen.

Uesugi Sasuke awakened Amaterasu and stopped Akaza from killing Kyojuro Rengoku. The black flames overwhelmed Akaza’s regeneration as Sasuke, despite the strain on his eye, remained intent on burning him to ashes.

• As Akaza’s fist neared Kyojuro Rengoku’s abdomen, Uesugi Sasuke revealed a Mangekyō Sharingan in his right eye.
• Sasuke focused his gaze on Akaza’s arm, causing inextinguishable black flames to appear and halt the attack just short of Kyojuro.
• Akaza screamed as Amaterasu consumed his arm, defeated his regeneration, and spread to his other hand when he tried to put it out.
• Kyojuro survived and watched Akaza writhe in agony, while Tanjiro stared at the flames in fear and confusion.
• Sasuke identified the flames as Amaterasu, suffered severe pain and exhaustion from using his Mangekyō Sharingan, and fixed his killing intent on Akaza.

Akaza tore off his burning arms and fled into the forest as dawn approached, despite Tanjiro’s attempt to stop him. After Akaza escaped, Kyojuro and Sasuke both collapsed from their injuries and exhaustion.

• Akaza’s black flames consumed his arms and resisted his regeneration, while the approaching dawn forced him to flee.
• Akaza tore off both burning arms and ran toward the forest without looking back at Kyojuro or Sasuke.
• Tanjiro hurled his Nichirin Blade into Akaza’s heart and shouted after him, but Akaza kept running and vanished into the forest.
• Kyojuro confirmed that everyone was alive, said they had won, and then lost consciousness.
• Sasuke collapsed onto the snow after Akaza’s disappearance, overcome by the pain and strain of awakening his Mangekyō Sharingan.

After Akaza fled the battlefield, Kyojuro Rengoku and Uesugi Sasuke survived but collapsed from their injuries. The Kakushi arrived and sent an urgent report to the Demon Slayer Corps announcing that Upper Rank Three had fled and the Flame Hashira had survived.

• Tanjiro found Kyojuro Rengoku alive after Akaza's attack and rushed to him.
• Kyojuro recognized that Uesugi Sasuke had used a power that turned the battle and praised him before losing consciousness.
• Sasuke saw Kyojuro's smile, remembered Big Brother, and collapsed from the strain of awakening the Mangekyō Sharingan.
• The Kakushi arrived, found both Hashira unconscious, and ordered emergency treatment and an immediate report to Headquarters.
• A Kasugai Crow carried news that Upper Rank Three had fled with an arm severed and Kyojuro Rengoku had survived.

A report revealed that Kyojuro Rengoku and Uesugi Sasuke had driven Upper Rank Three Akaza away while saving all two hundred passengers on the Mugen Train. The Corps learned that Sasuke’s black flames had overwhelmed Akaza’s regeneration, and a new legend began to spread among its leaders.

• A bloodied Kasugai Crow delivered the Mugen Train battle report to Kagaya Ubuyashiki, who rejoiced that Rengoku had survived and Akaza had been forced to retreat.
• The Hashira reacted with shock and relief to the news that Rengoku and Sasuke had fought Akaza and all two hundred passengers had survived.
• Shinobu Kocho prepared emergency care after hearing that Rengoku was gravely wounded and Sasuke had fallen unconscious.
• Tanjiro Kamado’s supplementary account described Sasuke’s persistent black flames, which bypassed Akaza’s regeneration and drove him to flee without his arms.
• The Corps leaders fell silent as they learned that Sasuke had released the black flames from his pinwheel-shaped eye, and the legend of the Black Flames began to spread.

Sasuke woke in the Butterfly Mansion and confirmed that he had awakened the Mangekyō Sharingan after Kyojuro's life was threatened. The system also unlocked Susanoo's rib cage form, leaving Sasuke determined to gain more power.

• Sasuke woke to hear the girls discussing his exhaustion and the bleeding from his eye.
• Sasuke recalled Akaza attacking Kyojuro and his own Mangekyō Sharingan awakening Amaterasu and Kagutsuchi.
• Sasuke removed the bandage and saw the Mangekyō's six-bladed pattern in his right eye.
• The system announced that Sasuke's actions had changed Kyojuro's fate and unlocked Susanoo's rib cage form.
• Sasuke felt the new defensive power awaken and regretted that he had not possessed it during the fight with Akaza.
• Sasuke closed his eyes, and his right eye returned to normal when he opened them again.

Sasuke visited the recovering Kyojuro Rengoku at the Butterfly Mansion, where Kyojuro thanked him for saving everyone and invited him to fight together again. Sasuke accepted, and the two formed a bond as comrades-in-arms.

• Sasuke reined in his newly awakened Susanoo and decided to visit Kyojuro Rengoku.
• Sasuke entered Kyojuro’s room and saw that the Flame Hashira was spirited despite his serious injuries.
• Kyojuro bowed to Sasuke and thanked him for protecting Kamado, the others, and himself, then asked whether Sasuke’s eye was all right.
• Sasuke said he had not wanted to see anyone else die in front of him, and Kyojuro affirmed that he had fulfilled his duty as a Hashira.
• Kyojuro asked Sasuke to fight beside him again against Muzan Kibutsuji, and Sasuke quietly agreed.

Tengen Uzui arrived at the Butterfly Mansion and tried to take Aoi Kanzaki, Sumi, and Kiyo on a mission by force. After overpowering Tanjiro, Zenitsu, and Inosuke, he was confronted by a cold voice ordering him to let them go.

• Tengen Uzui barged into the Butterfly Mansion and grabbed Aoi Kanzaki, Sumi, and Kiyo to recruit them for a mission.
• Tanjiro challenged Tengen Uzui for taking the girls by force, while Zenitsu and Inosuke joined the fight.
• Tengen Uzui swiftly defeated Inosuke, lifted Zenitsu by the cheek, and buried Tanjiro headfirst in the ground.
• An emotionless voice behind Tengen Uzui ordered him to let the girls go.

Uesugi Sasuke stopped Tengen Uzui from forcing the Butterfly Mansion girls to join his mission. When Tengen challenged him, Sasuke defeated him in a single exchange and held a blade to his neck.

• Tengen Uzui tried to take Aoi Kanzaki and the young girls from the Butterfly Mansion, claiming he needed them for demon hunting.
• Uesugi Sasuke arrived and told Tengen that forcing people to leave the Insect Hashira's territory violated the rules.
• Tengen mocked Sasuke and challenged him to prove his strength, then attacked with Sound Breathing, First Form: Roar.
• Sasuke evaded Tengen's strike and appeared behind him with his wakizashi at Tengen's neck, leaving Tengen rigid with fear.
• Tanjiro and Zenitsu stared in shock while Inosuke trembled with excitement at Sasuke's power.

Tengen Uzui explained that he needed female Corps members for a mission in Yoshiwara, where his three wives had disappeared and an Upper Rank demon might be hiding. Sasuke forbade him from involving anyone from the Butterfly Mansion, and Tanjiro, Zenitsu, and Inosuke volunteered to go instead, leaving Tengen reluctantly agreeing to take them.

• Tengen Uzui explained his urgent Yoshiwara mission while Sasuke held a blade to his neck.
• Sasuke withdrew his blade and warned Tengen not to touch anyone from the Butterfly Mansion.
• Tanjiro offered to go to Yoshiwara in place of Aoi and the other girls.
• Zenitsu and Inosuke also volunteered for the mission.
• Tengen reluctantly agreed to take the three boys.

Tengen Uzui agreed to take Tanjiro, Zenitsu, and Inosuke on the Yoshiwara mission after Sasuke’s presence made him reconsider. Sasuke then announced he would join them, and the group set off to hunt the Upper Rank demon.

• Tengen Uzui reluctantly agreed to take Tanjiro, Zenitsu, and Inosuke to infiltrate the Yoshiwara Pleasure District.
• Sasuke decided that fighting an Upper Rank demon would test his Mangekyō Sharingan and newly awakened Susanoo, and said he was coming too.
• Tengen Uzui welcomed Sasuke’s help and declared the mission would become a flashy hunt for the Upper Rank demon.
• Tengen Uzui led Sasuke, Tanjiro, Zenitsu, and Inosuke out of the Butterfly Mansion.

Tengen Uzui brought Tanjiro, Zenitsu, Inosuke, and Sasuke to Yoshiwara to investigate demons, but his disguise plan drew criticism from Sasuke. Sasuke demonstrated a more convincing infiltration technique and disappeared into the district, leaving Tengen stunned.

• Tanjiro, Zenitsu, and Inosuke reacted to Yoshiwara while Tengen Uzui proclaimed himself its God of Festivals.
• Tengen Uzui applied grotesque makeup to Tanjiro, Zenitsu, and Inosuke so they could infiltrate three houses and gather information.
• Sasuke questioned Tengen Uzui's approach and used a hand seal to transform himself into a wealthy young gentleman.
• Sasuke told Tengen Uzui that infiltration was about blending in, then walked into Yoshiwara unnoticed.
• Tengen Uzui stood in stunned silence as Sasuke disappeared into the crowds.

Sasuke used shadow clones and disguises to gather intelligence across Yoshiwara, while Tengen Uzui sent Tanjiro and his companions to investigate the houses. Sasuke connected the clues to Warabihime at Kyogoku House and prepared to confront the Upper Rank Six demon.

• Sasuke blended into Yoshiwara as a wealthy young gentleman, humiliating Tengen Uzui with his infiltration skills.
• Uzui sent Tanjiro and his companions to investigate Ogimoto House, Tokito House, and Kyogoku House while he delivered them to their assignments.
• Sasuke created three shadow clones and sent them, along with himself, to gather information under different disguises.
• The clones learned that Suma had disappeared from Ogimoto House and that clues about Makio and Hinatsuru led to Kyogoku House and its cruel courtesan, Warabihime.
• Sasuke combined the reports, identified Warabihime as the likely Upper Rank Six, and set his sights on Kyogoku House.

Sasuke’s shadow clone found Hinatsuru captive in Kyogoku House and used Amaterasu to free her from Daki’s sashes before being destroyed. Sasuke learned Hinatsuru’s location and prepared to confront Daki.

• Sasuke’s shadow clone disguised as an elderly handyman gathered information in Kyogoku House and suspected Hinatsuru was there.
• The shadow clone found Hinatsuru unconscious and bound by Daki’s sashes, which were draining her life force.
• Daki detected the shadow clone and attacked, but he used Amaterasu to ignite the sash around Hinatsuru’s neck before the sashes destroyed him.
• Daki severed the burning sash, freeing Hinatsuru, and vowed revenge on her rescuer.
• Sasuke received the clone’s final memories, learned Daki’s location and abilities, and rose from the rooftop with killing intent.

Sasuke confronted Upper Rank Six Daki on the roof of the Kyogoku House, and she attacked him with a barrage of razor-sharp sashes. He revealed a massive purple rib armor that repelled every strike, leaving Daki shocked.

• Sasuke appeared on the Kyogoku House roof and fixed his gaze on Daki.
• Daki recognized Sasuke as a Demon Slayer and angrily blamed him for the earlier attack that had burned her and let her prey escape.
• Daki sent dozens of razor-sharp sashes at Sasuke from every direction.
• Sasuke manifested purple rib armor around himself, and Daki's sashes bounced off it without harming him.
• Daki stared in horror and disbelief at the armor protecting Sasuke.

Uesugi Sasuke revealed Susanoo, whose absolute defense repelled Daki’s Blood Demon Art without a scratch. Daki’s frenzied attacks failed as Sasuke calmly watched, while Tengen Uzui and Tanjiro arrived and stared in shock.

• Uesugi Sasuke stood protected inside a towering purple Susanoo as Daki’s sashes bounced harmlessly off its ribs.
• Tengen Uzui and Tanjiro arrived with Nezuko and saw Sasuke’s enormous Susanoo looming over the ruins.
• Daki demanded to know what Sasuke was and poured more power into her Blood Demon Art.
• Daki launched over a hundred sashes at Susanoo, but they could not damage it.
• Sasuke calmly analyzed Daki’s attacks and regarded them as boring while she raged in frustration.