Chapter Summaries

Yuko and the others gathered at Jigo'ro Kuwajima’s home, where they teased Zenitsu and thanked him for helping defeat Muzan. Inosuke returned from the mountain and innocently flustered Aoi Kanzaki, leaving her embarrassed by the group’s teasing.

• Shinobu Kocho borrowed Jigo'ro Kuwajima’s cane and helped him beat Zenitsu after Zenitsu complained about being hurt.
• Jigo'ro Kuwajima thanked Yuko for helping him and looking after Zenitsu, and Yuko praised Zenitsu for helping the Demon Slayer Corps defeat Muzan.
• Yuko admitted that she had praised Zenitsu only to comfort Jigo'ro Kuwajima, and Zenitsu comically shattered from the insult.
• Kie Kamado explained that Inosuke had gone up the mountain, and Aoi Kanzaki tried to hide her concern about his absence.
• Inosuke came home, mistook Aoi Kanzaki’s blushing for a possible illness, and touched her forehead while Shinobu Kocho and Yuko teased her about lovesickness.

Yuko and Shinobu Kocho teased Aoi Kanzaki until Kie Kamado turned their own act back on them. They then remembered the New Year's gifts they had brought for the children and handed out clothes, with Yuko unsure whether Tanjiro's would still fit after his growth spurt.

• Yuko and Shinobu Kocho mocked Aoi Kanzaki, then scolded her when she protested.
• Kie Kamado mimicked Yuko and Shinobu Kocho's dramatic act, leaving them speechless.
• Aoi Kanzaki reminded Yuko and Shinobu Kocho that they had gifts for the children.
• Yuko and Shinobu Kocho gave the children new outfits, and everyone thanked the group.
• Yuko joked that Tanjiro had grown so much she was unsure whether his new clothes would fit.

Yuko gave everyone New Year's clothes, then agreed to let the children wear them for a snowball fight. Tanjiro brought Kanao outside to join the others, while Kie Kamado began to suspect the two had feelings for each other.

• Yuko handed out New Year's gifts and persuaded Kie Kamado and Jigo'ro Kuwajima to accept their outfits.
• Shinobu Kocho teased Yuko about her age, and she and Yuko jokingly played along while Aoi Kanzaki watched in exasperation.
• Everyone changed into their new clothes, and Delia asked to have a snowball fight.
• Yuko reassured Kie Kamado that the children could wear their new clothes outside, and Kie reluctantly agreed.
• Tanjiro brought Kanao to join the children, and Kie Kamado realized something might be developing between them.

The Kamado family and their friends gathered for a winter snowball fight, where Aoi Kanzaki overwhelmed everyone with her powerful throws. Inosuke mistook his fear-induced wetness for sweat before realizing Aoi had become a terrifying mountain-sized beast in his imagination.

• Shinobu Kocho helped Kie Kamado prepare lunch while they praised Tanjiro and recalled Zenitsu's boasts about the Demon Slayer Corps.
• Aoi Kanzaki unleashed a relentless snowball barrage, knocking Zenitsu down and terrifying the children and adults behind their fortifications.
• Tanjiro charged into the fight after Kanao encouraged him, but a stray snowball hit him immediately.
• Kanao checked Tanjiro by poking his waist and decided he was still alive when he laughed that it tickled.
• Inosuke touched his crotch and realized the wetness was urine, then Aoi Kanzaki lifted him by the collar and scolded him for not taking the fight seriously.
• Inosuke imagined Aoi Kanzaki growing into a mountain-sized beast and recognized her as the lord of the mountain.

Shinobu Kocho and Yuko watched Inosuke fuss over Aoi Kanzaki, leaving Shinobu baffled about their relationship and her failed matchmaking plans. After Shinobu and Nezuko filled the table with food, Yuko recalled that she and Yoriichi had mostly eaten wild vegetables centuries earlier, prompting Kie Kamado to look at the children with guilt.

• Shinobu Kocho returned with food and asked Yuko why Inosuke was treating Aoi Kanzaki like a superior.
• Yuko told Shinobu that Inosuke was submitting to a stronger beast, and Shinobu watched him massage Aoi and call her Boss Aoi.
• Shinobu realized she had hoped to bring Aoi and Inosuke together romantically, but decided to stop meddling when they seemed more like master and pet.
• Yuko pointed out that the meal on the table was meager, so Shinobu and Nezuko hurried to bring out more dishes.
• Tanjiro explained that the Kamado family could now afford plentiful food thanks to the Demon Slayer Corps' money.
• Yuko recalled eating mostly wild vegetables with Yoriichi centuries earlier, and Kie Kamado looked at the children with guilt as Nezuko cheerfully compared it to their own past meals.

At lunch, Inosuke fawned over Aoi while Shinobu excluded Yuko from the snowball fight to keep Aoi from targeting her. Yuko reminded Aoi that Shinobu had escaped punishment too, and Aoi went outside to take revenge on her.

• Inosuke piled food into Aoi's bowl, while Zenitsu did the same for Nezuko.
• Shinobu proposed a snowball fight, then told everyone Yuko would sit it out and led the children outside.
• Yuko warned Inosuke that pestering Aoi would not make her like him, and he immediately apologized.
• Yuko whispered to Aoi that Shinobu had also wronged her, and Aoi's dazed expression sharpened.
• Aoi went outside, and Shinobu's shriek rang out amid a barrage of snowballs.

Yuko and Shinobu visited the Kamado family, where Yuko talked about the dead and teased Aoi and Inosuke before they left. Yuko promised to visit Delia again, and the group departed for home.

• Yuko wondered aloud whether Yoriichi, Uta, and Kokushibo were doing well after death, then concluded that Kokushibo would endure hell and make it through.
• Yuko, Shinobu, and the others stayed with the Kamado family for nearly a week before preparing to leave.
• Inosuke gave Aoi Kanzaki a bundle of food he had packed, and Yuko teased them about it being a loving bento.
• Yuko promised Delia she would visit again and invited her to write letters when she missed her.
• Yuko and Shinobu said goodbye to the Kamado family, and Tanjiro, Inosuke, Zenitsu, and the Little Trio waved them off.

Six months after returning from Tanjiro's house, Sanemi Shinazugawa had settled into work at the Kocho Medical Clinic, where he helped protect Kanae from persistent suitors. Yuko and Shinobu Kocho urged him to confess his feelings to Kanae with a flower, leaving him wary of their promise to guarantee his success.

• A suitor demanded that Kanae marry him, but she said she already liked someone and Sanemi Shinazugawa threw the man out when he insulted him.
• Yuko and Shinobu Kocho teased Sanemi Shinazugawa about his feelings for Kanae and warned that she might marry someone else.
• Sanemi Shinazugawa admitted he did not know how to confess, so Yuko advised him to give Kanae a flower when he did.
• Yuko and Shinobu Kocho promised Sanemi Shinazugawa that they would guarantee his success before Kanae called them back to work.

Sanemi Shinazugawa confessed his feelings to Kanae at a Coffee Shop after Yuko coached him, and Kanae returned them. Later, the Kocho family's clinic became well established and continued helping patients, including people who could not afford treatment.

• Yuko dressed and coached Sanemi Shinazugawa for his meeting with Kanae while Genya and the others watched.
• Sanemi Shinazugawa told Kanae that he liked her, and Kanae said she felt the same way.
• The onlookers watched Sanemi Shinazugawa and Kanae leave together, confused that the confession had been so simple.
• Over time, the Kocho family's clinic gained a strong reputation and attracted patients from the city and beyond.
• The Kocho family held free clinics and waived medicine fees for patients in serious need.

The Kocho Medical Clinic remained successful, and the Corps gathered to celebrate Kanae Kocho and Sanemi Shinazugawa’s wedding. Two years later, Yuko and the others watched the younger generation grow up and stumble through romance, especially Aoi Kanzaki and Inosuke, whose dates repeatedly defeated every plan made for them.

• The Kocho Medical Clinic protected its staff from a nobleman and his hired men, while Ubuyashiki Kagaya and many Corps members continued to keep in touch with the Kocho family.
• Kanae Kocho and Sanemi Shinazugawa married, and two years passed as Tanjiro, Nezuko, Zenitsu, Inosuke, and Tokito Muichiro grew older.
• Kanao gradually expressed her feelings for Tanjiro, while Aoi Kanzaki’s feelings for Inosuke became clear to the Butterfly Mansion’s support group.
• Yuko and the others devised an elaborate Coffee Shop date plan for Aoi and Inosuke, but Inosuke fixated on a dropped fountain pen and then dragged Aoi around the city causing trouble.
• Aoi and Inosuke returned from their disastrous date closer than before, and Shinobu Kocho led a successful revolt that removed Yuko as head of the support group.
• Shinobu’s new relationship advice also failed to help Aoi and Inosuke cross the final barrier, while Zenitsu and Nezuko’s relationship progressed smoothly.

The Demon Slayer Corps members gathered for Sanemi and Kanae’s wedding, catching up on their lives and teasing one another. Yuko reflected on how the group could always reunite, and the chapter ended with her and Ubuyashiki Kagaya agreeing that they were both idiots.

• Yuko told Ubuyashiki Kagaya and the others that Sanemi had kept the bouquet he meant to give Kanae until they parted without handing it over.
• Uzui Tengen announced that Hinatsuru was pregnant, while the gathered Corps members joked about Sanemi’s good fortune in marrying Kanae.
• Tanjiro argued with Kanamori Hotaru, who tried to claim the sword Yuko had given Tanjiro, and Ubuyashiki Kagaya explained that the Swordsmith Village now made farming tools.
• Kanroji Mitsuri went to watch Kanae get dressed, leaving Iguro Obanai behind as Uzui Tengen teased him about marrying her.
• Ubuyashiki Amane said that a letter could bring the group together again, and Yuko told Ubuyashiki Kagaya that Tamayo had finally moved on from her past.
• Ubuyashiki Kagaya called Yuko an idiot, and she replied that he was one too, so they were even.

At Kanae and Sanemi’s wedding, Yuko teased the guests while Kagaya and Amane tried to mingle with them. The wedding ceremony began with the couple performing the shrine rites, leaving Yuko watching a wedding up close for the first time in her several-hundred-year life.

• Kagaya and Amane walked around the shrine, and Kagaya admitted he was glad Yuko treated him like a friend while Yuko joked about how to help him mingle.
• Amane laughed at Yuko’s teasing, drawing the attention of the guests, and Nezuko came over to ask where Kanao and the others were.
• Yuko told Nezuko about the complicated layers of a shiromuku, but Nezuko admired Kanae’s wedding kimono and blushed when Yuko asked whom she wanted to wear one for.
• Sanemi came out in formal clothes, and Shinobu found Yuko after Yuko had disappeared from her post receiving guests.
• Amane announced that the ceremony had begun, and Kanae and Sanemi carried out the shrine wedding rites with the attendants’ help.

Yuko teased Shinobu during Kanae and Sanemi’s wedding, then joined the lively banquet after the ceremony. She carried the drunken Shinobu to a room, where Kanae joined them with the children, and Yuko boasted that she could outdrink everyone.

• Shinobu asked Yuko what she thought of Kanae’s wedding outfit, and Yuko accidentally revealed that she had called it a “big fat worm.”
• Shinobu pressured Yuko to try on a wedding outfit someday, and Yuko reluctantly agreed while privately deciding she would never do it.
• Ubuyashiki Kagaya and Ubuyashiki Amane discussed the affectionate, complicated relationship between Yuko and Shinobu and hoped the two could find happiness.
• After Kanae and Sanemi’s ceremony ended, the guests gathered for a banquet, where the Demon Slayer Corps members drank until most of them passed out.
• Yuko carried the drunken Shinobu to a room, met Kanae returning with the children, and claimed Shinobu was weak at drinking.

Yuko teased the newly married Kanae and the other guests, then helped care for Kanae and Sanemi’s twin children years later. As the Kocho family settled into life after its younger members married and moved out, Yuko and Shinobu Kocho looked forward to the family becoming lively again when Kanae’s children grew up.

• Yuko mocked the drunken Shinobu Kocho, who woke up and tormented her while Kanao helped Aoi Kanzaki back to the room.
• Yuko teased Kanae about becoming Mrs. Sanemi and joked with the tipsy Nezuko after Kanao brought Tanjiro and Nezuko over.
• The wedding guests gradually departed, and Kanae moved to Sanemi’s home while continuing to visit the Kocho clinic.
• Years later, Yuko calmed Kanae and Sanemi’s crying twins and agreed to babysit them in exchange for seeing Sanemi wear a dad outfit.
• Yuko and Shinobu Kocho returned to the increasingly quiet Kocho family home after the Little Trio helped pack up.
• The chapter noted that Tanjiro, Kanao, Zenitsu, Nezuko, Inosuke, and Aoi Kanzaki had married and moved out, while Yuko and Shinobu Kocho kept the family home welcoming for their return.

Shinobu Kocho and Yuko shared a quiet night together, then the story followed their family through several more years of ordinary life. As everyone else grew older, Shinobu began worrying about her own aging, and Yuko understood her unease.

• Shinobu Kocho reminded the Little Trio to sleep early after they had dozed off at the clinic.
• Yuko and Shinobu Kocho finished their chores, then climbed onto the roof to admire the stars and joke about Sanemi caring for the children.
• Shinobu Kocho fell asleep against Yuko's shoulder as they sat together beneath the night sky.
• Several years passed as Kanao and Aoi Kanzaki visited, Inosuke settled into family life, and Kanae's children grew up calling Yuko and Shinobu their aunts.
• Shinobu Kocho worried that she would eventually grow old and lose her youthful appearance, and Yuko understood her concerns and wanted to help.

Yuko traveled to Asakusa after Tamayo invited her to visit, and reunited with Tamayo and Yushiro at their home. The reason for Tamayo’s invitation remained unclear as they sat down for tea.

• Yuko told the Kocho sisters that Tamayo had invited her to visit, and Shinobu stayed behind to help at the clinic.
• Yuko traveled by train to Asakusa and reflected on how her strength had surpassed Muzan and Yoriichi, though she did not want to fight or grow stronger.
• Yuko arrived at Tamayo and Yushiro’s home, where Yushiro welcomed her and explained that he had renovated the house himself.
• Tamayo greeted Yuko, and the two teased each other before settling in the living room.
• Yushiro brought tea, and Yuko chatted with Tamayo about the objects in their home.

Yuko visited Tamayo to ask about a medicine that could turn her human again, but Tamayo explained that Yuko’s altered cells were too powerful to target. The chapter ended with Yuko learning that she could not become human unless Tamayo developed a drug specifically suited to her cells.

• Yuko and Tamayo discussed how Tamayo’s experiments with Yuko’s blood had failed, and Tamayo said Yuko’s cells devoured Muzan’s cells.
• Yuko questioned Tamayo’s claim that she still had Muzan’s cells, while Yushiro tried to hide the truth by suggesting that demons could forget things.
• Yushiro asked Yuko to name her father, and Yuko realized she could not remember his name.
• Yuko angrily dismissed her father as an old man, then admitted she had remembered incorrectly when Tamayo challenged her.
• Tamayo explained that Yuko’s cells would consume Spider Lily and that a medicine targeting Muzan’s cells would not work on her.
• Tamayo told Yuko that she could not become human again unless future experiments produced a drug capable of targeting her cells.

Yuko discussed her prolonged life and her wish to grow old with Shinobu with Tamayo, who agreed to continue researching a medicine that could turn Demons human. The chapter left Yuko relying on that hope despite Tamayo seeing no sign that the cure would arrive in time.

• Yuko reflected that eating Muzan may have slowed her aging, and Tamayo reassured her that what happened had not been her fault.
• Yuko left the research into the Demon-to-human medicine in Tamayo’s hands, and Tamayo promised to share any developments.
• Yuko decided to stay with Tamayo and Yushiro for a couple of days, then teased them and asked Yushiro to make her egg fried rice.
• Yuko admitted that she wanted to grow old slowly with Shinobu, while Tamayo worried that the cure might take too long to help them.

Yuko struggled with the prospect of outliving Shinobu, then returned from Tamayo’s home with a surprise. She revealed to Shinobu that she had turned back into a human.

• Tamayo told Yuko that demons aged very slowly and urged her to adjust to the prospect of eventually parting from Shinobu.
• Yuko stayed at Tamayo’s home for several days, then returned to the clinic and walked home with Shinobu.
• Yuko teased Shinobu by asking her to notice what had changed about her appearance.
• Shinobu guessed that Yuko had undone the effects of demonization, but Yuko corrected her and said she had become human again.

Yuko told Shinobu Kocho that Tamayo’s new drug had turned her back into a human, and proved it by cutting her hand. Shinobu bandaged her wound and realized Yuko’s transformation might raise questions about whether Tamayo and Yushiro could become human too.

• Yuko told Shinobu Kocho she had become human, but Shinobu initially thought she was joking.
• Yuko cut the back of her hand to show Shinobu that the wound did not regenerate, and Shinobu hurriedly bandaged it.
• Yuko explained that Tamayo had developed a human-transformation drug specifically for her, while Tamayo and the others were in a different situation.
• Shinobu asked whether Tamayo had also become human, prompting Yuko to wonder why Tamayo and Yushiro had not used the drug.
• Shinobu joked about dissecting Yuko for medical research, and Yuko backed away in alarm.