Chapter Summaries

Kanae Kocho explained Nezuko’s recovery to the Kamado family, who welcomed her as a divine savior before Nezuko devoured all their food. Kanae offered to bring the family to the Butterfly Estate for safety, while Kocho Shinobu learned that Kanae had been asleep and that Yao Jiayin also shared Jiang Lianqiu’s connection.

• Kanae Kocho told Kie Kamado that Jiang Lianqiu had used her body to save Nezuko, and Kie bowed in gratitude to the one she believed was the Pyro Archon.
• Nezuko recognized Hanako and Rokkuta, then ate all the food Kie and the children had prepared and left the household with nothing to serve.
• Kanae Kocho invited Kie and her children to stay at the Butterfly Estate, where they would be safe from the Evil Spirit who attacked them.
• Kie accepted the invitation and began packing, explaining that Tanjiro would return from selling charcoal the next morning.
• Kanae Kocho told Kocho Shinobu that she had been asleep during the past four years and revealed that Yao Jiayin also shared her connection with Jiang Lianqiu.

Jiang Lianqiu brought Yao Jiayin back from her shared-senses experience, and she discussed her suspicions about Evelyn and her future with Di Gao Music. He offered to free her from her contract and sign her to the Ginza Argentum Ring, while their teasing ended with Yao Jiayin calling Evelyn to claim she had been kidnapped by an alien tyrant.

• Jiang Lianqiu ended the sensory sharing with Kocho Kanae, which returned Yao Jiayin's consciousness to her own body and left Nezuko calling after her absent brother.
• Yao Jiayin asked whether she could tell Evelyn about Jiang Lianqiu, and he revealed that Evelyn had ties to Fugue and had been planted at Di Gao Music.
• Yao Jiayin admitted she had suspected Evelyn's affiliations but still trusted her, and Jiang Lianqiu proposed signing her to the Ginza Argentum Ring after freeing her from her Di Gao contract.
• Jiang Lianqiu ordered Sirius to have Vivian and Lycan negotiate Yao Jiayin's contract, and Yao Jiayin suggested they go on a date at Epis Port.
• Yao Jiayin called Evelyn and jokingly claimed an alien tyrant had kidnapped her and demanded that Evelyn perform a cat-eared kitty dance to rescue her.
• Evelyn felt relieved when Yao Jiayin's tone convinced her that Yao Jiayin was safe, despite the bizarre story.

Evelyn learned that Di Gao Music might lose Yao Jiayin to Vivian Banshee Jiang, while Yao Jiayin discovered rumors were smearing her and prepared to return to reassure Evelyn. Meanwhile, Kocho Kanae led the Kamado family through a massive Evil Spirit ambush and, strengthened by Jiang Lianqiu, killed every Lower Moon present and scores of other Evil Spirits.

• Rui En told Evelyn that strange Ghost Stories had appeared around the Lyrmnian Void, but Evelyn refused to help investigate and returned to Di Gao Music.
• An employee told Evelyn that Vivian Banshee Jiang had sent a wolf Thiren to poach Yao Jiayin, while rumors claimed Silver Crown's mysterious controller wanted the singer.
• Yao Jiayin found online rumors accusing her of being kept by Silver Crown's boss, and Jiang Lianqiu offered to use official investigations and administrative measures against Di Gao Music.
• Kocho Shinobu confided to Kocho Kanae that she could not imagine her sister's other world and felt they were growing apart, before the group was blocked by a huge army of Evil Spirits after nightfall.
• Kocho Kanae, empowered by Jiang Lianqiu, defeated the Evil Spirits, killing every Lower Moon except Pei Lang and at least a hundred other Evil Spirits.

Kocho Kanae returned to the Butterfly House with Nezuko and the Kamado family, where Kocho Shinobu struggled with Kanae’s closeness to Jiang Lianqiu and Nezuko’s affection for him. Meanwhile, Kanae shared her longing for Jiang Lianqiu’s world, and he attended the revived Fu Xi Assembly in Chenghui Ping with Yi Xuan, who openly accepted people’s congratulations as they walked together.

• Kocho Kanae encouraged Tanjiro to train in Sun Breathing so he could protect his family from Evil Spirits.
• Kocho Kanae returned to the Butterfly House, reunited with its residents and Tsuyuri Kanao, and arranged for the Kamado family to stay there.
• Kocho Shinobu confronted Kanae in the bathhouse after Nezuko called Kanae “Big Brother,” but Kanae explained that staying connected to Jiang Lianqiu could help him reach their world.
• Kocho Kanae reflected on how much she valued experiencing Jiang Lianqiu’s ordinary world through their shared senses.
• Jiang Lianqiu attended the revived Fu Xi Assembly in Chenghui Ping with Yi Xuan, who linked arms with him and accepted the residents’ congratulations.

During the festival, Jiang Lianqiu met Ukibo Yuzuha and recognized the danger and painful history behind her cheerful demeanor. He invited her to visit Sui Bian Temple and Yun Kui Mountain, then told Yi Xuan that Yuzuha might become Yun Kui Mountain’s successor; Yi Xuan responded by teasing him about a private punishment that night.

• Yi Xuan and Jiang Lianqiu shared festival treats with Ju Fufu, and Hongdou teased them about looking like a family.
• Hongdou told Jiang Lianqiu that Ginza Argentum Ring had funded a school in Chenghui Ping, where the orphan he had helped was studying.
• Hongdou introduced Xiao Miao and Ukibo Yuzuha to Jiang Lianqiu, who warned Yuzuha about the dangerous Aether Energy traces on her.
• Jiang Lianqiu invited Yuzuha to visit Sui Bian Temple and Yun Kui Mountain, while Ju Fufu protested that he should join Yun Kui Mountain instead of Oddity House.
• Jiang Lianqiu told Yi Xuan that Yuzuha had survived human experiments in a Hollow and had an unusually strong affinity for Aether, making her a potential successor to Yun Kui Mountain.
• Yi Xuan agreed to keep Yuzuha’s history from Ju Fufu and told Jiang Lianqiu he would be punished by her that night.

Jiang Lianqiu discovered he could cross into Kocho Kanae’s world and arrived at the Butterfly Mansion, where he set up a Trailblaze Anchor Point. He brought Kanae and Kocho Shinobu to his base in Yun Kui Mountain, leaving Shinobu amazed by its scale.

• Kocho Kanae woke after dreaming about Jiang Lianqiu and accidentally saw him with Yi Xuan through their linked senses.
• Jiang Lianqiu realized Kanae’s connection let him open a passage to her world and decided to travel there.
• Jiang Lianqiu appeared in Kanae’s bedroom, then placed a Trailblaze Anchor Point in the Butterfly Mansion courtyard.
• Kocho Shinobu confronted Jiang Lianqiu with her Nichirin Blade, but Kanae identified him and stopped her from attacking.
• Jiang Lianqiu brought Kanae and Shinobu to his base in Yun Kui Mountain, where Shinobu marveled at its enormous buildings.

Jiang Lianqiu brought Kocho Kanae and Kocho Shinobu to his base and then to Yun Kui Mountain, where Shinobu met its unusual residents and enjoyed an enormous breakfast. The sisters returned to the Butterfly Estate stuffed, while Kanae and Yi Xuan’s playful attention toward Jiang Lianqiu continued to leave Shinobu puzzled.

• Jiang Lianqiu showed the Butterfly sisters around his base, where Kocho Shinobu learned about its equipment and watched him scold a Mech Servant for selling exam answers.
• Kocho Shinobu mistook Ju Fufu for a monster when they arrived at Yun Kui Mountain, then apologized after Jiang Lianqiu comforted the upset Tiger-Cat Person.
• Yi Xuan welcomed the sisters, and Pan Yin Hu served them a lavish breakfast that left Kocho Shinobu astonished and eager to eat more.
• Yi Xuan fed Jiang Lianqiu while Kocho Kanae wiped his mouth, and Shinobu noticed their familiar, flirtatious behavior.
• Jiang Lianqiu returned with the sisters to the Butterfly Estate, where Kocho Shinobu belched after eating until she was completely full.

Jiang Lianqiu discovered that Nezuko could freely change size and transform into a demon without losing control, then had Tanjiro perform Hinokami Kagura so he could learn Sun Breathing. He prepared to teach Tsuyuri Kanao as dark clouds gathered over the mountain.

• Jiang Lianqiu gave Tsuyuri Kanao dumplings and discussed her withdrawn nature and plans for Final Selection with Kocho Kanae.
• Nezuko arrived at the Butterfly Mansion noticeably shrunken, and Jiang Lianqiu explained that she needed energy.
• Nezuko ate, then rapidly grew into an adult demon before shrinking back into a child on Jiang Lianqiu's request.
• Jiang Lianqiu asked Tanjiro to perform Hinokami Kagura and learned Sun Breathing by watching him.
• Jiang Lianqiu realized Tsuyuri Kanao had learned part of the dance and prepared to teach her while Kocho Kanae took Nezuko away from the sunlight.

Jiang Lianqiu discovered that Sun Breathing drew on the sun’s negative entropy, and its power transformed the Butterfly House and mountain with sudden spring. Kyojuro Rengoku and Kanroji Mitsuri arrived to investigate, where Mitsuri became captivated by Jiang Lianqiu’s appearance.

• Kyojuro Rengoku sensed a powerful presence on the mountain, and a pillar of golden flame scattered the storm clouds as Kanroji Mitsuri hoped its source was a man.
• The Butterfly House courtyard filled with flowers from every season, and Kanzaki Aoi reported that the whole estate had bloomed.
• Jiang Lianqiu explained that Tanjiro’s Hinokami Kagura was Sun Breathing and concluded that the sun’s Radiance supplied negative entropy; he announced that guests were coming.
• Kyojuro Rengoku and Kanroji Mitsuri crossed from the snowy lower mountain into the suddenly green upper slopes and were greeted by Kanzaki Aoi.
• Jiang Lianqiu outfitted Nezuko with protective clothing so she could move safely in sunlight, while Kyojuro Rengoku greeted Kanae Kocho and surveyed the courtyard.
• Kanroji Mitsuri fell silent when she saw Jiang Lianqiu and said he was handsome.

Kyojuro Rengoku and Kanroji Mitsuri visited the Butterfly Estate, where they learned Jiang Lianqiu had saved Kocho Kanae and killed Upper Moon Two, then witnessed Mitsuri’s sudden proposal and Jiang’s agreement to marry her. After Kyojuro left with Tanjiro and his brothers to arrange their training, the others stayed at the estate to feed Nezuko.

• Kyojuro Rengoku and Kanroji Mitsuri arrived at the Butterfly Estate, where Kocho Kanae explained that Nezuko was a demon who had not attacked anyone, and Kyojuro chose not to draw his sword.
• Kocho Kanae told the visitors that Jiang Lianqiu had saved her from Upper Moon Two and killed him, and Jiang revealed that he had been experimenting with Sun Breathing.
• Kanroji Mitsuri blurted out that Jiang Lianqiu was her ideal husband, and Jiang agreed to marry her, leaving Kocho Kanae exasperated.
• Jiang Lianqiu agreed to let Kyojuro take Sun Breathing back to the Demon Slayer Corps and help arrange training for Tanjiro and his brothers.
• Kyojuro Rengoku left with Tanjiro, Takeo, and Shigeru to meet Kagaya Ubuyashiki, while Delia stayed at the Butterfly Estate as a caretaker.
• Kocho Kanae explained Nezuko’s condition to Kanroji Mitsuri, and Jiang Lianqiu went to prepare food for Nezuko.

Jiang Lianqiu brought a Trailblaze team and a base ship to Butterfly Mansion, transforming the mountain into a modern forward station and beginning investigations into demons, the Blue Spider Lily, and the sun. A week later, he was preparing for the Pillar Meeting with Kanae Kocho and Kanroji Mitsuri, who had become close to him.

• Jiang Lianqiu summoned a hundred-person Trailblaze advance team to Butterfly Mansion, where its leader revealed he had trained to become a dimensional guide officer.
• The dimensional guide officer opened a passage for a base ship, and Jiang Lianqiu arranged to use Butterfly Mansion Mountain as a construction site.
• The team transformed Butterfly Mansion into a much larger, technologically advanced station in a single day, and Jiang Lianqiu gave Kanroji Mitsuri a bracelet and phone.
• Jiang Lianqiu ordered investigations into demons and the Blue Spider Lily and asked when they could investigate the sun, whose radiation interfered with their shields and armor.
• About a week later, Kanae Kocho dressed Jiang Lianqiu while Kanroji Mitsuri emerged from bed, and the three discussed the upcoming Pillar Meeting.

Kocho Kanae, Kocho Shinobu, and Kanroji Mitsuri arrived at the Pillar Meeting, where Kanae revealed a spectacular new ability. After Kagaya Ubuyashiki welcomed them and asked Kanae to speak, she requested to leave the Demon Slayer Corps.

• Kocho Kanae sent Kocho Shinobu and Kanroji Mitsuri to wash and then left with them by passenger shuttle for the Pillar Meeting.
• At headquarters, Kyojuro Rengoku introduced Tanjiro to the gathered Pillars and described the power Jiang Lianqiu had displayed.
• Sanemi Shinazugawa sent a tornado up to catch the three women as they fell from the sky, but Kocho Kanae used her blade and flower petals to guide them safely down.
• Kagaya Ubuyashiki greeted the Pillars and acknowledged Kanae's recovery, then asked her to report her important news.
• Kocho Kanae asked Kagaya Ubuyashiki to let her leave the Demon Slayer Corps.

Jiang Lianqiu brought Tsukishiro Yanagi to his laboratory, where Tamayo used Blue Spider Lily extract to help Nezuko evolve and overcome sunlight. Nezuko returned to her older form, then deliberately changed back into a toddler, and Tamayo confirmed that her body was evolving toward Tsukishiro Yanagi’s Complete Demon state.

• Tsukishiro Yanagi told Jiang Lianqiu she had resigned from the Sixth Division, and he offered her management of the Silver Crown branch in New Ailidou.
• Jiang Lianqiu took Tsukishiro Yanagi to Tamayo’s laboratory, where Tamayo explained that Tsukishiro Yanagi’s blood strongly suppressed Evil Spirits and that Blue Spider Lily extract could promote demon evolution.
• Tamayo injected Nezuko with Blue Spider Lily extract, and Jiang Lianqiu and Tsukishiro Yanagi discussed Nezuko’s unusual heredity, resistance to sunlight, and resemblance to Tsukishiro Yanagi.
• Nezuko rapidly grew back to her twelve-year-old form and developed a horn, then changed herself back into a toddler and asked Jiang Lianqiu to hold her.
• Jiang Lianqiu realized Nezuko was pretending to be a toddler, while Tamayo confirmed she had overcome sunlight and was evolving toward Tsukishiro Yanagi.

Jiang Lianqiu learned why Nezuko had deliberately become a child again and took her and Kanao to an amusement park in New Ailidou. Their outing was interrupted when Ai Lian ran into Ruby and her companions, leaving her to handle an unexpected personal matter.

• Nezuko enjoyed standing in sunlight, and Tsukishiro Yanagi later told Jiang Lianqiu that Nezuko feared losing the childhood she had found by being treated like a little girl.
• Jiang Lianqiu invited Nezuko to an amusement park in another world and brought Kanao along; Kanao reached for his sleeve without tossing a coin, then held his hand.
• Jiang Lianqiu, Tsukishiro Yanagi, Nezuko, Kanao, and Ai Lian rode a roller coaster, where Nezuko cheered, Kanao smiled tensely, Tsukishiro Yanagi felt sick, and Ai Lian fell asleep.
• After the group tried more attractions and stopped for ice cream, Ruby recognized Ai Lian and called out to her; Ai Lian apologized to Jiang Lianqiu and said she needed to handle a personal matter.

Jiang Lianqiu learned that Ai Lian's classmates planned to explore a Hollow Ghost Story, then spent the night teasing Ai Lian about her sensitive tail. At Butterfly Mansion, Kocho Kanae recounted how she, Kocho Shinobu, and Kanroji Mitsuri left the Demon Slayer Corps to marry Jiang Lianqiu, and the Corps prepared to visit him.

• Tsukishiro Yanagi explained Ai Lian's generous maid job to Ruby, Mona, and Rin, who revealed plans to explore a Hollow rumored to contain treasure chests.
• Jiang Lianqiu offered to go with Ai Lian on the exploration and said he would ask Lycan to excuse her from duty.
• Jiang Lianqiu teased Ai Lian's tail at home, and she agreed to sleep in and reminded him to attend her next parent-teacher conference.
• Kocho Kanae told Jiang Lianqiu that Kagaya Ubuyashiki had accepted her, Kocho Shinobu, and Kanroji Mitsuri's requests to leave the Demon Slayer Corps after they explained they were getting married.
• Kanroji Mitsuri said Kagaya Ubuyashiki planned to bring the Pillars to Butterfly Mansion Mountain to meet Jiang Lianqiu, then collapsed after trying Alexandrina's new dish.

Kagaya Ubuyashiki and the Hashira reached Butterfly Mansion Mountain, where Kanzaki Aoi guided them through Jiang Lianqiu’s advanced defenses and revealed a sprawling futuristic settlement. Meanwhile, Kanroji Mitsuri marveled at the Sun from a nearby space station and asked Kocho Kanae about other stars.

• Tengen Uzui tried to climb Butterfly Mansion Mountain but repeatedly found himself back at its base, and the Hashira’s attempts to mark their route also failed.
• Kanzaki Aoi arrived, used her bracelet to grant Kagaya Ubuyashiki and the Hashira access, and explained that an interference field had disguised the mountain and blocked visitors.
• Kanzaki Aoi led the group through the illusion, revealing a lush spring landscape and then a futuristic complex with flying buildings, vehicles, laboratories, and factories.
• Kanroji Mitsuri watched the Sun from an observation station near its corona while Jiang Lianqiu spoke with researchers.
• Kanroji Mitsuri asked Kocho Kanae about colorful and multiple-star systems, and Kanae explained that systems with two or three stars were common.

Jiang Lianqiu learned that researchers would need three days to uncover the secret of the anomalous object inside the Sun, then promised the Demon Slayer Corps that Kibutsuji Muzan would be defeated and the Corps would have a future after the demons were gone. In the Infinity Castle, Kibutsuji Muzan discovered that Hantengu had been killed by unfamiliar Western soldiers and tried to understand how they had done it.

• Jiang Lianqiu learned that a 200-kilometer object inside the Sun emitted anti-entropy energy, and the researchers expected to crack its Imaginary Barrier within three days.
• Jiang Lianqiu told Kocho Kanae, Kanroji Mitsuri, and Shinobu that he would locate Kibutsuji Muzan in the Infinity Castle and help them defeat him themselves.
• Kagaya Ubuyashiki revealed that Kibutsuji Muzan had once been named Ubuyashiki and asked Jiang Lianqiu to succeed him, but Jiang Lianqiu instead told him to keep leading the Corps and promised to lift the curse after Muzan's death.
• Jiang Lianqiu remembered the threat posed by Tokyo's military leaders and decided they also needed to be dealt with before they targeted the Demon Slayer Corps.
• Kibutsuji Muzan sensed Hantengu's death and saw in the demon's fading memories that unfamiliar Western soldiers had killed him with strange weapons.

Kibutsuji Muzan fled the Infinity Castle after learning it had been discovered, while Jiang Lianqiu’s forces invaded and began gathering the remaining demons. Daki and Gyutaro were summoned into the occupied castle, where Kocho Kanae and Tsuyuri Kanao attacked them.

• Kibutsuji Muzan sensed that humans had discovered the Infinity Castle, escaped without warning Nakime, and hid aboard a ship leaving Japan.
• Hans gave a young man returning home a blank notebook that revealed hidden text, and the young man thanked him.
• Nakime realized the Infinity Castle had been invaded after Jiang Lianqiu’s dimensional guide opened a rift beneath Heian-kyō.
• Jiang Lianqiu ordered his forces to capture Nakime, summon the remaining Upper Ranks, and eliminate them before pursuing Kibutsuji Muzan.
• Nakime summoned Daki and Gyutaro to the Infinity Castle, where Kocho Kanae attacked them and Tsuyuri Kanao’s beam weapon blasted through Daki’s abdomen.

Jiang Lianqiu and the Demon Slayer Corps wiped out the Twelve Kizuki and captured Kibutsuji Muzan after he fled Japan. He left Muzan immobilized in the Infinity Castle with the Hashira, who were given half an hour before the castle collapsed.

• Jiang Lianqiu watched the Hashira defeat the Upper Ranks with upgraded equipment while Nakime remained under his control.
• Kocho Kanae reported that the Twelve Kizuki had been executed, and Jiang Lianqiu asked Nakime to contact Kibutsuji Muzan.
• Nakime's connection let Jiang Lianqiu locate Muzan aboard a cruise ship, where Muzan killed the guests in a banquet hall after guards insulted him.
• Muzan saw the Upper Ranks' deaths and Jiang Lianqiu's face, then fled into the sea, but a dimensional guide dragged him into the Infinity Castle.
• Jiang Lianqiu cut off Muzan's legs, left him with the Hashira, and told them to finish before the Infinity Castle collapsed.

After the Imaginary Barrier was cracked, Jiang Lianqiu and his companions entered the vast folded space inside the sun to investigate the Anti-Entropy Effect. They found a colossal ringed mechanism and tried using Jiang Lianqiu’s amplified mental power on it, but Silver Crown Blade began screaming as soon as the beam struck.

• Jiang Lianqiu postponed a Kyoto festival outing when his crew reported that they had cracked the Imaginary Barrier.
• Herta joined Jiang Lianqiu and the others aboard Silver Crown Blade to investigate the Anti-Entropy Effect and discussed her theory that Emerald’s scepter was Rupert II’s original Primal Scepter.
• Silver Crown Blade crossed the black Imaginary Barrier and entered a space of absolute darkness, where Herta identified chaotic shifting coordinates and guided the ship toward the source of the anomalies.
• The group discovered a colossal metal sphere surrounded by three rotating rings, which Herta identified as the source of a force field behind the Anti-Entropy Effect.
• Jiang Lianqiu used Herta’s amplifier to direct his mental power at the megastructure, and Silver Crown Blade began screaming when the beam hit it.