Chapter Summaries

Haruto returned to the Butterfly Mansion and found Tengen Uzui trying to take Aoi Kanzaki on an urgent mission after losing contact with his wives. Tanjiro, Zenitsu, and Inosuke volunteered to go instead, and Tengen prepared to revise the plan before Haruto kicked him away for slapping Aoi.

• Haruto met Tanjiro near the Butterfly Mansion as Tanjiro encouraged Nezuko on their way back.
• Haruto found Tengen Uzui trying to take Aoi Kanzaki and Kanao, explaining that he had not heard from his wives in three days.
• Haruto objected to forcing Aoi onto the front lines, while Kiyo, Sumi, and Naho pleaded for Tengen to let her go.
• Tanjiro, Zenitsu, and Inosuke volunteered to join Tengen's mission, and Tengen agreed to change the original plan.
• Tengen declared that his orders would take precedence, then slapped Aoi's bottom and was kicked off the courtyard gate by Haruto.

Haruto posed as a wealthy Kyoto visitor to attract attention in Yoshiwara while Tengen Uzui and the boys searched for demons and Uzui’s wives. The boys spotted a grand oiran procession at Tokito House, and Haruto’s voice came from a nearby balcony.

• Tengen Uzui switched roles with Haruto, taking over as the covert contact while Haruto drew attention in Yoshiwara.
• Miyamaru Rei arranged a false identity for Haruto as Shibamoto Masaya and prepared a lavish Wisteria House as his base.
• Haruto dressed as a wealthy young man and entrusted his Nichirin Blade to Tengen Uzui for the operation.
• Tengen Uzui and the three boys entered Yoshiwara in disguise and headed toward Tokito House, Hagimoto House, and Kyogoku House.
• Tanjiro sensed Haruto nearby as the group encountered a lavish oiran procession at Tokito House.
• Haruto remarked from a nearby balcony that Tokyo dazzled with wealth and splendor.

Haruto posed as a wealthy young gentleman in the Entertainment District while Tengen Uzui sent him and three boys to support the mission after Shinobu refused to involve the Butterfly Mansion girls. Shinobu learned Haruto was drawing attention at a brothel and set out to join him, leaving Kanao to suspect that Shinobu herself was the real danger.

• Haruto and Miyamaru Rei fooled the Entertainment District’s patrons into thinking Haruto was a wealthy Shibamoto heir, while Tengen Uzui and the three boys entered a brothel.
• Haruto admitted he was nervous and uneasy as Miyamaru Rei told him to drink and enjoy the company of courtesans.
• Shinobu Kocho returned to the Butterfly Mansion and learned from Kanao that Tengen Uzui had tried to recruit her and Aoi for the mission.
• Shinobu realized Haruto was posing as a brothel customer to draw attention and decided to go support him and Tengen Uzui.
• Kanao watched Shinobu leave and feared that her sister, rather than Haruto, was the truly dangerous one.

Haruto learned that Suma had run away from Tokito House, but gained no details about her disappearance. Shinobu joined him and proposed that they visit the oiran directly to investigate the demons hidden in Yoshiwara.

• At a banquet, Haruto heard guests say that Suma of Tokito House had run away after leaving a letter.
• Haruto returned to the Wisteria House without learning when or how Suma disappeared.
• Shinobu arrived at Haruto's room and revealed that Tengen Uzui could not detect any demons because Yoshiwara seemed to be under an illusion.
• Shinobu proposed that she and Haruto visit the oiran directly, with Haruto acting as an experienced womanizer and Shinobu accompanying him in disguise.

Haruto and Shinobu went to Tokito House to meet Koinatsu, whose madam hoped to secure a wealthy marriage for her. Koinatsu met Haruto and the disguised Shinobu, and noticed Haruto’s attention remained fixed on the boy.

• Haruto met Shinobu at the Wisteria House, and they set out together to meet Koinatsu.
• Koinatsu reluctantly agreed to meet the Shibamoto family’s young master after the madam pressured her to abandon her hopes of marrying Mr. Tianhai.
• Sachi and Kyoko told Koinatsu that the young master was handsome and kind, while Koinatsu wondered why a prominent family would seek a bride in the Entertainment District.
• Koinatsu asked Sumiko to fetch incense, and Sumiko brought a sandalwood and agarwood blend that calmed her.
• Haruto entered Koinatsu’s room with Shinobu, who admired the incense, and Koinatsu noticed Haruto watching the boy closely.

Haruto and Shinobu questioned Koinatsu about Suma’s disappearance while investigating whether a demon had been attacking courtesans in the Entertainment District. Koinatsu revealed that Suma had vanished three days earlier, and she suggested there had been few disappearances at Tokito House; her own planned departure from the district had likely fallen through.

• Shinobu inspected Koinatsu’s room while Haruto used his sensory power to keep their conversation private.
• Koinatsu recognized Shinobu as a girl and deduced that Haruto and his companions were searching for someone rather than seeking pleasure.
• Koinatsu said Suma had disappeared three days earlier after leaving a diary about running away for love, though Koinatsu doubted Suma would do that.
• Koinatsu explained that the madam had searched for Suma, found no trace, and declared that she had run away; she added that few people had disappeared from Tokito House.
• Koinatsu told Haruto and Shinobu that she might no longer be able to leave the Entertainment District after the commotion they caused.

Haruto dreamed of Sōma’s last battle against Daki and her brother, then woke to learn Zenitsu had gone missing. Tengen Uzui said they would move that night, and Haruto warned that they faced two demons as Upper Rank Six.

• Haruto witnessed Sōma refuse Daki’s advances and declare that he had a wife.
• Sōma pinned Daki’s brother to a wall with his Nichirin Blade before dying, and the Kasugai Crow flew off to report the swordsmen’s deaths.
• Tengen Uzui entered Haruto’s room and told him Zenitsu was missing.
• Tengen announced they would move that night, and Haruto warned that the two demons included one who wielded Blood Scythes and might use toxins.

Haruto and the Demon Slayers launched their search for Daki, leading Shinobu Kocho and Tanjiro to confront the Upper Rank Six while Haruto found Inosuke, Zenitsu, and Tengen Uzui's wives underground. The fights were underway as Haruto reached the hollow, where Suma and Makio asked him for help.

• Haruto, Shinobu Kocho, and Tengen Uzui planned to act that night after Inosuke detected a demon traveling through hidden passages.
• Haruto sensed Inosuke moving through a tunnel beneath the Ogimoto House and went underground to find him.
• Shinobu Kocho followed the sounds of battle to the Tokito House, where Tanjiro faced Daki after rescuing Koinatsu.
• Shinobu Kocho attacked Daki, and Tanjiro returned to fight beside her after she told him to be careful.
• Haruto reached the underground hollow, where Inosuke freed captives from Daki's sashes and found Zenitsu, Suma, and Makio.

Haruto and Inosuke destroyed Daki’s sashes and rescued the people trapped inside them, while Shinobu Kocho fought Daki and learned that poison alone could not defeat her. As Daki transformed and mocked Shinobu, someone shot her head at point-blank range.

• Haruto mistook a sash with a human face for Daki, then shredded the airborne sashes with Star Breathing as Inosuke rescued captives.
• Haruto recognized a white wintersweet haori among the fallen sashes, and Daki murmured Sōma’s name after seeing the same vision.
• Shinobu Kocho stabbed Daki with a poisoned blade, but Daki recovered and absorbed the sashes to transform.
• Shinobu Kocho attacked Daki with her Bee Sting Dance and Centipede Dance, but her poison failed to stop the demon.
• A shooter fired a large-caliber bullet at point-blank range and blew Daki’s head apart.

Haruto and the Hashira confronted Gyutaro after Shinobu shot off Daki’s head, only for Gyutaro to emerge and restore his sister. Gyutaro revealed himself as Upper Rank Six and attacked, while Tengen Uzui began using Score composition.

• Shinobu shot Daki with a powerful handgun, and Tengen reported that his wives had been rescued and were recovering.
• Gyutaro emerged from Daki’s body, restored her head, and revealed that the two demons had to be beheaded simultaneously to die.
• Gyutaro introduced himself as Upper Rank Six and attacked Haruto, Tengen, Shinobu, Tanjiro, Zenitsu, and Inosuke.
• Haruto took the lead, Shinobu prepared to support him, and Tanjiro, Zenitsu, and Inosuke were assigned to evacuate nearby residents.
• Tengen moved away from the battlefield and began his Score composition.

Haruto, Tengen Uzui, and Shinobu Kocho fought Gyutaro and Daki, with Haruto using the Transparent World to counter Gyutaro’s attacks. Haruto left Gyutaro’s life in danger as he swung for the demon’s neck, while Gyutaro relied on Daki to keep him from dying.

• Daki attacked Shinobu Kocho while Gyutaro launched his Flying Blood Scythes at Haruto.
• Tengen Uzui supported Haruto with bombs and Sound Breathing, wounding Gyutaro and provoking him by boasting about his three wives.
• Gyutaro charged Tengen Uzui with his Blood Demon Art, and Haruto cut through Gyutaro’s waist before intercepting the attack.
• Haruto entered the Transparent World, slipped past Gyutaro’s blood scythes, and severed one of his arms.
• Haruto swung his blade toward Gyutaro’s neck, while Gyutaro trusted that Daki’s survival would keep him alive.

Tanjiro sent Inosuke and Zenitsu to help Shinobu while Makio and Suma evacuated the civilians, and Haruto and Tengen fought Gyutaro. Haruto beheaded Gyutaro, who regenerated, and Tengen announced that his musical score was complete and he was ready to strike.

• Tanjiro failed to persuade Inosuke to evacuate civilians, so Makio and Suma took on the evacuation while Inosuke and Zenitsu rushed to aid Shinobu.
• Shinobu kept Daki busy with bullets and poison, forcing her to spend energy regenerating.
• Gyutaro caught Haruto’s blade in his teeth, regenerated his injuries, and taunted him about the Takanashi family.
• Haruto used Star Breathing, Sixth Form: Falling Star Flash to cut through Gyutaro’s neck, but Gyutaro reattached his head and unleashed his Blood Demon Art.
• Tengen used Sound Breathing, Fifth Form: Layered String Melody to counter Gyutaro’s blood scythes, then declared his musical score complete.

Tengen Uzui and Haruto fought Gyutaro while Shinobu Kocho and the three young swordsmen kept Daki occupied. Inosuke beheaded Daki and rushed toward the other battle with her head, leaving Tanjiro to correct his misunderstanding of the plan.

• Tengen Uzui resisted Gyutaro's poison, deciphered his attacks, and urged Haruto to go after Daki.
• Gyutaro used a blood scythe to pull Haruto back and stop him from leaving the fight.
• Shinobu Kocho and the three young swordsmen defended against Daki's sashes while coordinating their attacks.
• Inosuke used a sash to propel himself forward and sawed through Daki's neck, beheading her.
• Tanjiro called for the group to split up, but Inosuke misunderstood and ran toward Gyutaro with Daki's head under his arm.

Haruto and Tengen Uzui fought Gyutaro while Inosuke carried Daki’s severed head, but Gyutaro unleashed a wide-area attack and nearly killed Inosuke before Shinobu rescued him. After Gyutaro reunited Daki with her head and Shinobu supplied an antidote, the six swordsmen faced the demons together.

• Inosuke carried Daki’s severed head and taunted her while she called for Gyutaro to save her.
• Haruto warned Tengen Uzui that poison was overwhelming him and urged him to find Shinobu, but Gyutaro unleashed blood scythes across the area, threatening civilians and the other fighters.
• Haruto used Flame Breathing to block the blood scythes, then spotted Gyutaro vanishing from the battlefield.
• Gyutaro appeared beside Inosuke and attacked, but Shinobu Kocho deflected his sickle and pulled Inosuke to safety.
• Gyutaro reattached Daki’s head, and Shinobu gave Haruto and Tengen Uzui antidotes before the six swordsmen prepared to face the demons.

Haruto and Tengen beheaded Gyutaro and Daki, but Gyutaro’s body unleashed a deadly burst of Blood Scythes that devastated the Yoshiwara Pleasure District. As the siblings began to disintegrate, they argued about Takanashi Sōma and their promise to stay together, while Gyutaro recognized that Haruto was nothing like him.

• Haruto used Star Breathing to sever Daki’s legs and cut into Gyutaro’s neck while Tengen kicked Daki away.
• Tengen decapitated Daki with Sound Breathing, and Haruto severed Gyutaro’s head after calling to Tengen to finish the fight.
• Gyutaro’s headless body released a barrage of Blood Scythes, forcing the swordsmen to retreat as the attack destroyed most of the Yoshiwara Pleasure District.
• Haruto returned to the demons as their bodies began to disintegrate and heard Daki and Gyutaro argue about Takanashi Sōma and their life together.
• Gyutaro told Haruto that he was nothing like Takanashi, and Haruto refused to offer the demon kind words.

In Shinagawa, Gyutaro and Ume tracked a famous swordsman to the Tongda Riverbank and watched him enter a poor woman’s home after a child begged for help. The encounter stirred Gyutaro’s memories of his and Ume’s childhood, ending with his vow that they would stay together forever.

• Ume heard about a handsome swordsman in Shinagawa and went to find him, with Gyutaro following her.
• When the swordsman was absent from his inn, Gyutaro and Ume tracked him to the Tongda Riverbank.
• A filthy boy begged the swordsman to help, and the swordsman followed him into a dilapidated house, saying he was not a doctor.
• Ume saw a starving woman nine months pregnant, and Gyutaro remembered his own mother and Ume’s birth.
• Gyutaro recalled how he and Ume endured hardship together and vowed they would never part.

Gyutaro recalled how Takanashi Sōma rescued a poor woman and her child, then later returned with Demon Slayer Corps Swordsmen and was eaten by Daki. Muzan rebuked Daki for caring about the human, then asked whether Takanashi had a child.

• Takanashi Sōma carried a woman in labor to a Medicine Hall and gave the boy his raincoat, while Gyutaro watched in disbelief at his kindness.
• Daki tried to lure Takanashi away, but he stayed to pay the doctor so the boy would not be beaten.
• Three days later, Takanashi returned with armed Demon Slayer Corps Swordsmen, and Daki ate him through her tears.
• Muzan angrily warned Daki not to love humans and reminded her that they were only food.
• Muzan asked Daki whether Takanashi had a child.

After the Demon Slayers defeated Daki, Haruto and the others celebrated their survival while Miyamaru Rei discussed rebuilding the ruined Yoshiwara. Akaza was summoned to the Infinity Castle, where Muzan announced that Gyutaro was dead.

• Shinobu, Tengen Uzui, and the others reunited with their companions after Daki's defeat, while Tanjiro, Inosuke, and Zenitsu crowded around Nezuko.
• Miyamaru Rei told Haruto that the evacuated district would be rebuilt and that the disaster would create opportunities for business and politicians.
• Akaza watched Koyuki grow fainter and wondered what he would do when she disappeared.
• A biwa summons brought Akaza to the Infinity Castle, where he encountered Doma, Kokushibo, and Hantengu.
• Muzan announced that Gyutaro was dead.

Muzan rebuked the Upper Ranks and warned Akaza that he was watching him closely. After returning to Headquarters, Haruto learned about a new Wisteria House in Yoshiwara and realized Miyamaru Rei had tricked him about the Shibamoto family's motives.

• Muzan blamed the demons for failing to find the Blue Spider Lily, locate the Ubuyashiki Family, or overcome sunlight, then threatened Akaza over his lack of focus.
• Muzan told Nakime that he had not forgotten her after the other demons departed.
• Haruto returned to the Demon Slayer Corps after a week of rest and brought Sōma's white haori to Headquarters to arrange a gravestone.
• Kagaya told Haruto that Shibamoto Ryotaro was rebuilding Yoshiwara and had bought Koinatsu's freedom so she could run a Wisteria House.
• Haruto questioned why the Shibamoto family was helping the Corps, and Kagaya revealed that he knew nothing about Miyamaru Rei's claim that they wanted folk stories.
• Haruto realized Miyamaru Rei had deceived him and angrily complained that he had saved Rei's life.

After burying Sōma, Haruto returned with Kagaya to study records on the Demon Slayer Mark and the Bright Red Nichirin Sword. Haruto spotted a strange corner on Kagaya’s desk, pressed it, and triggered a hidden shaft that sent them plunging underground.

• Kagaya explained that Shibamoto’s servant Miyamaru Rei was trying to exploit the Ubuyashiki Family’s fortune-seeking ability for business.
• Haruto buried Sōma’s haori beside his headstone and asked his grandfather to share more techniques through his dreams.
• Kagaya gave Haruto records on the Transparent World, the Demon Slayer Mark, and the Bright Red Nichirin Sword.
• Kagaya explained the difference between innate and acquired Demon Slayer Marks and why knowledge of them had been kept secret.
• Haruto pressed a crooked corner of Kagaya’s desk, causing the floor to collapse and sending them both down a deep shaft.