Chapter Summaries

Kanzaki Kumo explained how the Kamado Family preserved Sun Breathing and taught him about the Transparent World, then challenged the Hashira to reconsider their stance toward demons who did not eat people. Kagaya vouched for Tamayo and Yushiro and called them out of hiding, startling the Hashira.

• Kanzaki Kumo traced the Transparent World and Sun Breathing to Tanjuro Kamado and urged the Hashira to strengthen their bodies and keep practicing their Swordsmanship Fundamentals.
• Kanzaki Kumo asked why the Demon Slayers killed demons and whether they should spare demons that did not eat people.
• The Hashira voiced skepticism, while Kanzaki Kumo argued that Tamayo and Yushiro could help develop poisons against demons and recounted their past.
• Kanzaki Kumo cited the Kamado Family’s peaceful experience with Tamayo and Yushiro, and Kagaya vouched for them.
• Kagaya asked Tamayo and Yushiro to reveal themselves, and they removed their paper talismans, shocking the Hashira.

Kagaya introduced Tamayo and Yushiro to the Hashira, who provisionally agreed to cooperate with them and take turns watching them. On the way back to the Butterfly Mansion, Kanzaki Kumo and the others spotted the swordsmith who had nearly attacked him before, leaving Kumo visibly nervous.

• Tamayo asked the Hashira for a chance to help destroy Muzan and urged them to spare Yushiro, who had never harmed anyone.
• Tengen Uzui and Gyomei acknowledged the demons’ sincerity but said they would need time to prove themselves, while Kagaya arranged a nearby residence and rotating guards.
• Tamayo gave the Hashira Specialized Containers for collecting demon blood, and she continued working with Shinobu Kocho and Butterfly Zemu on poisons.
• Kagaya dismissed the meeting, and Gyomei and Shinjuro stayed behind to watch Tamayo and Yushiro until they could be escorted to their new residence.
• Makomo questioned Kagaya’s risky decision as she, Kanae, and Kanzaki Kumo returned to the Butterfly Mansion, and Kumo decided to postpone visiting his grandpa until his injuries healed.
• Makomo spotted a Hyottoko Mask-wearing swordsmith ahead, and Kumo quietly asked whether the Butterfly Mansion had Mitarashi Dango as Kanae watched him nervously.

Kanzaki Kumo encountered Haganezuka, who apologized for the broken Nichirin Blade and promised to forge him a stronger one. Back at the Butterfly Mansion, Kumo reunited with Nezuko and Kanao and learned that Tanjuro had only about five years to live if he avoided using his Breathing Style and the Transparent World.

• Haganezuka asked Kanzaki Kumo how his Nichirin Blade had broken, then apologized and accepted responsibility for its failure.
• Kanzaki Kumo reassured Haganezuka that he wanted another blade from him, and Haganezuka rushed off to forge an unparalleled one.
• Kanae and Makomo reflected on Haganezuka's devotion to his craft as Kanzaki Kumo was relieved he had avoided another confrontation.
• At the Butterfly Mansion, Nezuko and Kanao greeted Kanzaki Kumo, and he learned that Kie was studying nursing and pharmacology to care for Tanjuro.
• Butterfly Zemu's examination indicated that Tanjuro might live about five more years if he never used his Breathing Style or maintained the Transparent World.

Kanao’s quiet life at the Butterfly Mansion changed after Kanzaki Kumo was badly injured, and she began giving him space to train rather than asking him to play. Kumo introduced Nezuko as Kanao’s playmate, but while the girls slowly became friends, Kanao resented being sent away from his sickbed and wanted to stay beside him.

• Kanao treasured time with Kanzaki Kumo, recorded their moments together in her diary, and watched him train when he was busy.
• After Gyomei brought an unconscious Kumo to the Butterfly Mansion, Kanao realized their peaceful days depended on the Demon Slayer Corps protecting them.
• Kanao stopped asking Kumo to take her to the playground because she sensed that training helped ease his restlessness.
• Kanzaki Kumo introduced Nezuko as Kanao’s playmate, and Nezuko gradually gained Kanao’s trust by sharing stories about him.
• When Kumo returned, Kanao asked him directly about what Nezuko had been telling her, then resented being sent away from his sickbed to spend time with Nezuko.

Kanzaki Kumo took Kanao to the playground and apologized for trying to choose a friend for her without considering her feelings. Kanao told him that all she needed was him, leaving him stunned.

• Kanzaki Kumo sent Nezuko, Kanae, and Makomo away to rest, then invited Kanao to the playground.
• Kanao apologized for failing to become friends with Nezuko, and Kanzaki Kumo reassured her that friendship could not be forced.
• Kanzaki Kumo admitted he had given Kanao things he thought were good without asking what she wanted.
• Kanao explained that she had changed her hairstyle because the original one got in the way when she leaned against Kanzaki Kumo.
• Kanao told Kanzaki Kumo that she needed nothing except him, leaving him staring at her in surprise.

Kanzaki Kumo recovered from his injuries over the winter and brought Makomo to visit his grandfather’s grave. There, Makomo asked whether Kumo could foresee the future, suspecting his past choices had been shaped by knowing he would meet Kanae.

• Kanzaki Kumo promised to spend more time with Kanao, who said she would try making friends when he was busy and that she did not dislike Nezuko.
• Nezuko and Kie shared lunch at the Butterfly Mansion before saying goodbye, and Kanzaki Kumo promised to visit once he had healed.
• After nearly three months, Kanzaki Kumo recovered and celebrated his sixteenth birthday at the Butterfly Mansion.
• Kanzaki Kumo and Makomo visited Kanzaki Keizan’s grave beneath falling snow and formally introduced Makomo to him.
• Makomo asked Kanzaki Kumo whether he could foresee the future, pointing to his earlier reluctance to define their relationship and his later meeting with Kanae.

Makomo confronted Kanzaki Kumo about his apparent foreknowledge, but believed his feelings for her were sincere after they shared their first kiss. Kanzaki Kumo then began explaining that a dream had shown him a story about their world.

• Makomo listed the clues behind her suspicion, including Kumo's knowledge of Kanao, the Upper Rank Demons, Tamayo, Nezuko, Sun Breathing, and Yoriichi Tsugikuni.
• Makomo admitted she feared Kumo's relationships and past actions might be part of a deceptive scheme, while Kanae had chosen to wait for him to explain.
• Kanzaki Kumo assured Makomo their feelings were real and kissed her; she returned the kiss and stopped pressing him about his foreknowledge.
• Kanzaki Kumo told Makomo that after being knocked unconscious by the person who ruined the temple's demon-repelling incense, he dreamed of a story about their world in which he did not appear.

Kanzaki Kumo reassured Makomo that the tragic story he remembered would not define their lives, and the two reaffirmed their bond despite her discovering that other women had caught his eye. As spring arrived, Kanzaki Kumo prepared for Makomo’s eighteenth birthday, only days away.

• Makomo thanked Kanzaki Kumo for saving her, and he avoided recounting the unhappy fates he remembered from the story.
• Kanzaki Kumo reflected on the many people now alive around him and vowed never to let them meet their original ends.
• Makomo guessed from Kanzaki Kumo’s guilty reaction that more women might join their family, then asked him to save a place for her in his heart.
• Makomo reminded Kanzaki Kumo that she had his first kiss, and he promised not to leave her behind.
• With spring underway, Kanzaki Kumo realized Makomo’s eighteenth birthday was only a few days away and began preparing a special gift.

Kanzaki Kumo brought Makomo to her abandoned childhood home as a birthday surprise, prompting her to remember her family, the demon attack that ended her childhood, and the life she had built since. She recognized that Kanzaki Kumo had restored the house and courtyard, and prepared to see the surprise inside.

• Kanzaki Kumo led Makomo along an overgrown path and explained that he had prepared a surprise for her.
• Makomo recognized the path, fields, well, and hillside as parts of her childhood home and remembered playing there with her friends.
• Makomo recalled how a demon had killed her parents and neighbors eleven years earlier before Sakonji Urokodaki arrived and defeated it.
• Makomo began to cry, and Kanzaki Kumo gently wiped her tears as she reassured him that she was all right.
• Makomo rounded the bend and saw that Kanzaki Kumo had restored the jujube tree, courtyard wall, and house at her abandoned childhood home.

Kanzaki Kumo showed Makomo a careful reconstruction of her childhood home and a cenotaph for her parents, giving her a chance to revisit her past. Makomo thanked him and shared her childhood story, accepting his unspoken declaration of love.

• Makomo explored the restored house and remembered her childhood, smiling through tears at a portrait of herself and her parents.
• Kanzaki Kumo explained how he had gathered villagers' recollections to recreate the house, and Makomo thanked him for the gift.
• Kanzaki Kumo led Makomo to a cenotaph for her parents, explaining that their remains had been cremated with other bodies by the Kakushi.
• Makomo touched the gravestone, then began telling Kanzaki Kumo the story of her past and the places where she had played.
• Makomo answered Kanzaki Kumo's declaration of love by willingly sharing her past with him.

Makomo and Kanzaki Kumo reunited and spent the night together, but his awkward remarks embarrassed her and earned him teasing. Later, Kanzaki Kumo discussed joining the Demon Slayer Corps with Mitsuri, while Kanae returned from Final Selection with a girl who shared his surname.

• Makomo questioned Kanzaki Kumo about why he had only held her while they slept, and he tried to explain his restraint with a story about the River Crab Great God.
• Kanzaki Kumo blurted out that Breathing Style could regulate blood flow, prompting Makomo to yell at him and storm out.
• Kanzaki Kumo apologized to Makomo over breakfast until she forgave him, then she told the Butterfly Mansion residents about his supposed new use for Breathing Style.
• Kanzaki Kumo visited Mitsuri with Makomo, explained the Demon Slayer Corps, and told Mitsuri to discuss joining with her family first.
• Kanae returned from serving as a Final Selection examiner with a girl who shared Kanzaki Kumo's surname.

Kanzaki Kumo met Aoi Kanzaki, a nervous Final Selection survivor whom Kanae brought to the Butterfly Mansion to help Aunt Delia. After introducing her to the household over lunch, Kumo tried to learn why she felt so inferior, leaving Aoi to explain herself.

• Kanae introduced Aoi Kanzaki to Kanzaki Kumo, and Aoi nervously greeted him as the Rumble Hashira.
• Aoi admitted she had heard Kumo strung people up, and Kumo explained that he had punished two men for confessing to Kanae in front of him.
• Kanae said Aoi was unsuited to fighting but conscientious and responsible, so Kumo invited her to join the Butterfly Mansion and help Aunt Delia.
• Kanae brought Aoi to lunch, where she met Makomo, Shinobu Kocho, Kanao, and the Butterfly couple.
• Kanzaki Kumo reassured Aoi and asked why she kept lowering her head and feeling inferior to others.

Kanzaki Kumo tried to help Aoi Kanzaki overcome her shame about being afraid of Demons and reassure her that logistics work mattered. His argument accidentally made her cry, but Kanae comforted her, and Aoi eventually understood that the work was not useless.

• Aoi Kanzaki admitted that fear had kept her from fighting a Demon during final selection, and Kanzaki Kumo told her that fear was natural and shared his own embarrassing story about running from danger.
• Kanzaki Kumo encouraged Aoi Kanzaki to stop judging herself for being afraid and pointed out that admitting her shortcomings took courage.
• When Aoi Kanzaki called her future work at the Butterfly Mansion useless, Kanzaki Kumo asked whether she considered Aunt Delia's essential logistics work useless too.
• Aoi Kanzaki became overwhelmed and cried, so Kanae comforted her while Makomo and Shinobu Kocho teased Kanzaki Kumo.
• After calming down, Aoi Kanzaki understood that the Butterfly Mansion's logistical work was not useless.

Aoi Kanzaki joined the Butterfly Mansion as Kocho Delia’s assistant and threw herself into the work. Kanzaki Kumo warned her not to overwork herself, and she agreed to let Delia guide how she assigned tasks.

• Aoi Kanzaki thanked everyone at the Butterfly Mansion and asked Kocho Delia about her future duties.
• Kanae asked Kanzaki Kumo whether Aoi was his relative, and he explained that they were not related by blood; Kanao reacted possessively when he said he would not mind another little sister.
• Aoi became Kocho Delia’s assistant and proved so conscientious that she took on too much of the mansion’s work herself.
• Kanzaki Kumo stopped Aoi and urged her to rest, delegate tasks, and consult Kocho Delia instead of doing everything herself.
• Aoi thanked Kanzaki Kumo and left, while Makomo and Shinobu Kocho teased him about how effectively he had persuaded her.

Kanzaki Kumo visited Tanjuro for his examination and discussed Sun Breathing, which he had mastered beyond Tanjuro’s ability to guide. A few days later, Kanzaki Kumo brought Mitsuri to the Butterfly Mansion, where she was welcomed by its residents and drew the injured patients’ jealous attention.

• Kanzaki Kumo, Shinobu Kocho, and Kanao visited the Kamado family for Tanjuro’s routine examination.
• Shinobu Kocho confirmed that Tanjuro’s condition had not worsened, and Tanjiro listened as Kanzaki Kumo and Tanjuro discussed Sun Breathing.
• Tanjuro observed Kanzaki Kumo practice Sun Breathing and admitted that Kanzaki Kumo had made the forms his own.
• Kanzaki Kumo brought Mitsuri to the Butterfly Mansion and reassured her about her appearance on the way.
• The residents welcomed Mitsuri, while injured patients noticed her holding Kanzaki Kumo’s hand and returned to their rooms jealously.

Kanzaki Kumo brought Mitsuri to the Butterfly Mansion and began teaching her Breathing Styles the next morning. After she found Flame Breathing the most natural, he encouraged her to train in it and eventually adapt or create a style suited to herself.

• Shinobu Kocho took Mitsuri to choose a room at the Butterfly Mansion while Kanae and Makomo accompanied them, and Kanao leaped into Kanzaki Kumo's arms after the others left.
• Kanzaki Kumo carried Kanao to a lavish meal, where Mitsuri sat beside Shinobu Kocho and he imagined the family gathered around the table in the future.
• The next morning, Kanzaki Kumo brought Mitsuri to the training grounds and demonstrated Thunder, Flame, Water, and Sun Breathing for her to follow.
• Mitsuri said Flame Breathing felt most natural, though some movements felt awkward, so Kanzaki Kumo told her to begin learning it and adjust the movements or develop her own style.
• Kanzaki Kumo explained that Kanae had created Flower Breathing from Water Breathing and encouraged Mitsuri to discuss any future ideas with her.

Kanzaki Kumo taught Mitsuri Flame Breathing while she settled into life at the Butterfly Mansion. Sabito challenged Kanzaki Kumo after seeing him with Mitsuri, and the chapter ended with Kanzaki learning that Shinazugawa had survived a battle with Lower Rank One but that his friend had been badly injured.

• Kanzaki Kumo began teaching Mitsuri Flame Breathing, and she steadily learned its movements, breathing essentials, and principles.
• Sabito arrived at the Butterfly Mansion and challenged Kanzaki Kumo after seeing him with Mitsuri.
• Kanzaki Kumo defeated Sabito in their sparring match, while Mitsuri cheered for Kanzaki Kumo and Giyu told Sabito he could not win.
• Sabito explained that he and Giyu had defeated an illusion-creating Lower Rank One during a rescue mission.
• Kanzaki Kumo asked about a white-haired Wind Breathing user, and Sabito said Shinazugawa had survived but his friend was seriously injured.

Kanzaki Kumo visited the Medical Department to see Sanemi after his battle with Lower Rank One and learned about Masachika’s injuries and Genya’s determination to fight. Sanemi vowed to avenge Masachika and admitted he did not know how to stop Genya from risking his life.

• Kanzaki Kumo considered which demons the Corps might target next and decided to visit the wounded Sanemi.
• Kanzaki Kumo and Sabito discussed Sanemi’s talent and the limits Sabito had reached with Water Breathing as Giyu and Mitsuri followed along.
• Kanzaki Kumo met Sanemi outside the medical room, and Sanemi thanked him and the Water Hashira for saving him and Masachika.
• Sanemi told Kanzaki Kumo that Masachika’s right arm had been ruined, and he vowed to make the demons pay for it.
• Kanzaki Kumo asked about Sanemi’s younger brother, and Sanemi explained that Genya lacked talent for Breathing Styles but insisted on fighting demons.

Kanzaki Kumo planned to investigate disappearances in Yoshiwara and hunt Upper Rank Six, prompting Makomo to question his reasons for visiting the Entertainment District. He convinced her that he was going there to kill demons, but she still wanted to know why he needed a disguise.

• Kanzaki Kumo urged Sanemi to talk properly with Genya and offered to host a conversation between the brothers while Sanemi recovered.
• Kanzaki Kumo asked Makomo who was best at disguising someone with makeup, then said he planned to visit Yoshiwara.
• Makomo angrily demanded an explanation, suspecting Kanzaki Kumo meant to visit the Entertainment District for pleasure.
• Kanzaki Kumo showed Makomo Kagaya's intelligence about disappearances in Yoshiwara and explained that he intended to hunt Upper Rank Six.
• Makomo offered to accompany Kanzaki Kumo, but he declined because bringing her would attract too much attention.
• Makomo accepted that Kanzaki Kumo would go alone, then asked why he needed a disguise.

Kanzaki Kumo explained why he planned to disguise himself before investigating the suspected Upper Rank Six in Yoshiwara with Tengen Uzui. Tengen’s disguise transformed Kumo into a roguish-looking delinquent, and Kumo challenged him to spar after their mission.

• Kanzaki Kumo and Makomo rested together after training, and Mitsuri blushed when Kumo beckoned her to join them.
• Two days later, Kanzaki Kumo told Tengen Uzui that an Upper Rank might be hiding in Yoshiwara and proposed they investigate and defeat it together.
• Kanzaki Kumo asked Tengen Uzui to disguise him so the demon would not recognize his face and escape.
• Tengen Uzui and his wives gave Kanzaki Kumo an unhandsome, roguish appearance, and Tengen laughed at his handiwork.
• Kanzaki Kumo threatened to spar with Tengen Uzui after the mission, and Tengen agreed despite fearing the fight.