Ch. 51The Kamado Household on Mount Kumotori

Haruto learned that Lower Rank Four Nekomata had been searching for something on Mount Kumotori and went there, where he found the Kamado family grieving Tanjuro’s death. Seeing young Tanjiro with his mother and siblings left Haruto wondering what would later happen to them.

  • Giyu waited outside the Butterfly Mansion, blaming himself for Sabito’s injuries and doubting that his promotion was truly deserved.
  • Haruto cleaned and treated Giyu’s wounds, reassured him that Sabito was out of danger, and told him Makomo would soon arrive.
  • Giyu told Haruto that Nekomata had seemed eager to leave before he was slain, prompting Haruto to investigate Mount Kumotori.
  • Haruto learned in the village that the Kamado family lived on the mountain and that Tanjuro had recently died.
  • Haruto reached the Kamado home and saw Tanjiro, Nezuko, Rokuta, their siblings, and their mother grieving for Tanjuro.

Ch. 52Tanjiro's Resolve

Haruto visited the Kamado family to learn about the demons who had fought nearby and discovered that Tanjiro might be a target of Muzan. Tanjiro refused to leave his home, so Haruto left him training notes and money and arranged for a Nichirin Blade to be delivered later.

  • Haruto asked Tanjiro about the fight, and Tanjiro said he had smelled a foul-smelling demon fighting two people who smelled of water.
  • Haruto learned from the comments that Nekomata had searched for Tanjiro on Muzan's orders and worried that the Kamado family was in danger.
  • Haruto offered to take Tanjiro and his family away and train Tanjiro as his Tsuguko, but Tanjiro refused to leave his family and his father's grave.
  • Haruto wrote down Star Breathing training and body-conditioning exercises for Tanjiro, then left money for the family.
  • Haruto told Cang Kong to remember the location and ordered it to deliver a Nichirin Blade there later.

Ch. 53Shinobu's Unhinged Ramblings

Haruto learned that Kyojuro had been left critically wounded after the battle and rushed with Shinobu to reach him. He left Sabito recovering at the Butterfly Mansion, while Giyu remained away hunting demons.

  • Shinobu told Haruto that Giyu had gone demon hunting and shared her thoughts about Sanemi and Kanae, leading to a misunderstanding about whom Haruto liked.
  • Haruto visited the unconscious Sabito, whose condition had improved slightly, and spoke with Makomo, who asked where Giyu was.
  • A Kakushi reported that Sanemi had killed Lower Rank One and that Kyojuro was near death from an abdominal wound.
  • Haruto ordered Shinobu to bring her medicine box and set out to find Kyojuro, carrying her on his back and using Bright Tears to speed their journey.

Ch. 54Blink if You're Being Kidnapped

Sanemi held the mortally wounded Masachika Kume as Shinobu Kocho and Haruto arrived and began an emergency rescue. Haruto collapsed from exhaustion and was mistakenly carried off by Kakushi, leaving him unable to protest as they took him to the Butterfly Mansion.

  • Sanemi comforted Masachika and recalled how Mr. Takanashi had saved him and Genya and inspired him to become a demon slayer.
  • Masachika reminded Sanemi of their promise that the second to become a Hashira would treat the first to beef and tofu hot pot.
  • Haruto arrived with Shinobu Kocho, who assessed Masachika's critical injuries and began emergency treatment while ordering Haruto to summon the Kakushi.
  • Haruto collapsed from overusing his Breathing Style, and the Kakushi mistook his paralysis for a seizure.
  • The Kakushi carried Haruto toward the Butterfly Mansion while Shinobu continued treating Masachika, and Haruto silently tried to stop them.

Ch. 55Tamayo's Dream Thief Drug

Haruto learned that Giyu had become a Hashira while Sabito received the title of Half-Hashira, then traveled to Asakusa to hear about Tamayo’s new Dream Thief Drug. Tamayo explained that the drug could trap humans or demons in buried memories, though its usefulness in combat depended on the target’s cooperation.

  • Sabito told Haruto that Headquarters had made Giyu a Hashira and appointed Sabito a Half-Hashira.
  • Cang Kong delivered Tamayo’s invitation for Haruto to test the drug she had developed.
  • Haruto went to Tamayo’s residence in Asakusa with Genya and saw the incense candle that had inspired the drug’s name.
  • Tamayo explained that Dream Thief used Haruto’s blood to induce vivid memories and could affect both humans and demons.
  • Tamayo described how the drug revisited her memories of being human and warned that demons could pass through memories quickly unless they willingly opened their minds.

Ch. 56Fragments of memory

Haruto took Tamayo’s medicine and entered a vivid memory of his life as a university student in China in 2019, realizing it was a memory when a butterfly reminded him of Kanae and Shinobu. After waking, he understood that the manga panel he had seen described a future in which nearly all the Hashira and the Ubuyashiki family were dead, leaving him shaken.

  • Tamayo explained that Haruto needed a mental anchor before taking her medicine, and Haruto drank it and fell asleep.
  • Haruto awoke in a 2019 university dorm, where his roommates discussed Demon Slayer and the deaths of the Hashira after the battle at Infinity Castle.
  • A butterfly bearing the pattern of Kanae’s and Shinobu’s haori made Haruto recognize that he was inside a memory.
  • Haruto’s memory ended, and he awoke after an hour and a half to tell Tamayo that the experience had felt real.
  • Haruto recalled a manga panel showing Kiriya, Hinaki, and Nikka facing Giyu and Sanemi, and realized that Kagaya, Amane, their daughters, and almost all the Hashira had likely died.

Ch. 57I Have a Few Secrets Too

Haruto realized that the prophecy he remembered did not dictate the characters’ futures because he had already changed the original story by saving people and becoming a Hashira. He offered to serve as Tamayo’s test subject if she continued researching her Demonization Potion.

  • Haruto asked Genya and Yushiro to leave so he could speak privately with Tamayo.
  • Haruto told Tamayo that a prophecy said everyone would die and asked how he could become stronger.
  • Haruto realized he himself was a major variable who had already changed the story by saving Sabito and Masachika Kume.
  • Tamayo explained that she had abandoned her Demonization Potion research after her test subjects died or became berserk.
  • Haruto offered to be Tamayo’s test subject if she resumed developing the potion.

Ch. 58Head Breathing

Haruto brought Genya to Mount Kumotori to test whether Tanjiro had been training, but Genya mistook Nezuko for an obstacle and provoked Tanjiro into attacking. The chapter ended with Tanjiro launching a headbutt at Genya while his siblings clung to him.

  • Genya brought Haruto Fresh Meat Pepper Buns and Hagi Mochi, then went with him to Mount Kumotori to meet Tanjiro.
  • Haruto told Genya to imitate Sanemi and scare Tanjiro into showing his strength.
  • Genya confronted Nezuko at the Kamado house and demanded that she bring Tanjiro out to fight.
  • Tanjiro returned from selling charcoal, saw Genya shouting at Nezuko, and charged at him to protect his family.
  • Genya dodged Tanjiro's charge and struck his back, then the Kamado children swarmed Genya as Tanjiro sprang up and launched a headbutt.

Ch. 59Let's buy Nezuko a new kimono

Haruto and Genya visited Tanjiro, where Genya tested Tanjiro's fighting skills and Haruto encouraged him to train harder. Tanjiro accepted Haruto's money to help his family and resolved to practice, while Haruto and Genya left together.

  • Tanjiro apologized for colliding with Genya, and Haruto treated the bump on Genya's forehead.
  • Genya fought Tanjiro while Haruto and the children watched, and Genya easily defeated him without using much strength.
  • Haruto gave Nezuko ointment for Tanjiro's aching arms and offered Tanjiro money for his recovery and his family's needs.
  • Haruto urged Tanjiro to make time for swordsmanship and Breathing Style practice and warned that he would return for surprise tests.
  • Tanjiro accepted the money, resolved to train harder, and watched Haruto and Genya leave the mountain.
  • Haruto praised Genya's kindness on the walk down, and Genya agreed that he would not have beaten Tanjiro more harshly.

Ch. 60The Bold Sanemi Shinazugawa

Haruto brought a Browning loaded with wisteria-poison bullets to Headquarters for his first Hashira Meeting alongside Sabito and Giyu. As Kagaya Ubuyashiki arrived, Sanemi refused to kneel, drawing the attention of the Hashira while Haruto watched with interest.

  • Haruto prepared a Browning and wisteria-poison bullets, then set out for Headquarters with Sabito and Giyu.
  • Haruto, Sabito, Giyu, and Sanemi met Kanae and talked about food before the Hashira Meeting.
  • Gyomei Himejima and Tengen Uzui arrived, and Uzui praised Sabito's flamboyant appearance while teasing Giyu about being single.
  • Hinaki and Nikka announced Kagaya Ubuyashiki's arrival, and the courtyard fell silent.
  • Sanemi remembered Kyojuro's injuries and loss of his place among the swordsmen, then refused to kneel before Kagaya.
  • The other Hashira turned toward Sanemi, while Haruto watched him with keen interest.

Ch. 61The Tsundere Tamer

Sanemi confronted Kagaya Ubuyashiki over the Demon Slayer Corps’ sacrifices and his own frailty, but Kagaya’s sincerity and concern for Kyojuro made Sanemi realize he had misjudged him. Haruto nudged Sanemi toward an apology, and the chapter ended with Sanemi kneeling in remorse as the Hashira renewed their resolve to defeat Muzan Kibutsuji.

  • Sanemi accused Kagaya of sitting comfortably while treating the swordsmen fighting below as expendable pawns.
  • Kagaya explained that his goal was to defeat Muzan Kibutsuji, admitted he had once wanted to fight with a sword, and said his frail body prevented him from doing so.
  • Kagaya said the Demon Slayer Corps would continue its mission without him and apologized for the mission that had injured Kyojuro.
  • Kanae told Sanemi that Kagaya remembered every swordsman’s name and life story, leaving Sanemi ashamed of his accusation.
  • Haruto urged Sanemi to apologize, and Sanemi knelt before Kagaya and stumbled through a sincere apology.
  • Gyomei wept and promised that the Hashira would defeat Muzan Kibutsuji.

Ch. 62Walking toward death

Haruto discovered that Kanae’s mission in Tama might bring her face-to-face with Upper Rank Two, Doma, and raced to reach her. Kanae investigated a village controlled by the Eternal Paradise Cult, where Doma revealed himself as the demon behind the killings.

  • Kagaya examined Haruto’s wisteria-poison Browning, and Haruto left after giving it to Shinobu Kocho.
  • Kanae said she would investigate reports of a demon and missing swordsmen in Tama, while Haruto returned to Mount Sagiri to patrol.
  • After his patrol, Haruto saw comments warning that Kanae was walking toward death and recognized Doma as Upper Rank Two.
  • Haruto hurried toward Tama, determined to try to change Kanae’s fate.
  • Kanae followed reports of deaths among the Eternal Paradise Cult’s followers and found a terrified girl pleading for help.
  • Doma revealed the Upper Rank Two markings in his eyes as he approached the girl.

Ch. 63You're a Pervert, Aren't You?

Kanae was badly wounded while fighting Doma, Upper Rank Two, until Haruto arrived and rescued her. Haruto’s strongest attack drew out Doma’s Blood Demon Art, but he inhaled the demon’s freezing powder.

  • Kanae rescued a terrified girl from Doma and attacked him, but he easily deflected her strikes.
  • Doma wounded Kanae with his iron fan while she failed to threaten him with her Flower Breathing forms.
  • Haruto arrived, cut Doma’s face, and carried the injured Kanae away from him.
  • Haruto attacked Doma with Star Breathing, Ninth Form: Moon-Banishment, forcing Doma to counter with ice lotuses and freezing powder.
  • Haruto landed behind Doma and realized he had inhaled the freezing powder, which began damaging his respiratory tract.

Ch. 64The Scum of Demonkind

Haruto fought Doma while trying to protect the unconscious Kanae, but Doma’s frost overwhelmed his breathing and he killed Haruto by tearing out his heart. The chapter ended with Haruto falling into darkness as the spectators mourned his death.

  • Haruto attacked Doma and learned that his Blood Demon Art’s frost was a deadly counter to Breathing Styles.
  • Doma recalled turning Mihoko and Ox Demon into Nure-onna and Ox Demon, explaining how Mihoko had fed her companion during her transformation.
  • Haruto saw that Kanae had passed out from blood loss and tried to find a way to escape with her.
  • Doma’s frost clogged Haruto’s lungs, leaving him struggling to breathe as he fought on.
  • Haruto used Star Breathing, Ninth Form: Moon-Banishment, but Doma blocked the strike and tore out his heart.
  • Haruto collapsed into darkness as the spectators reacted to his death.

Ch. 65Star Breathing, Fifth Form

After dying twice to Doma, Haruto woke on Mount Sagiri and considered how to defeat the Upper Rank demon, then drank Tamayo’s potion before returning to the battle. He used the boost to unleash Star Breathing, Fifth Form: Blood Offering, while Kanae continued fighting alongside him.

  • Shinobu found Kanae and Haruto near death in the ruined cabin, and Kanae died after urging Shinobu to leave the Demon Slayer Corps.
  • Haruto woke on Mount Sagiri with a lingering neck wound and realized that repeated rewinds left injuries behind.
  • Haruto took Tamayo’s potion, which contained a small amount of Genya’s blood, and returned to his fight with Doma alongside Kanae.
  • The potion heightened Haruto’s strength and speed, allowing him to strike Doma while Kanae disrupted the demon’s Blood Demon Art.
  • Haruto pierced his palm with his blade, controlled the blood clinging to it, and began Star Breathing, Fifth Form: Blood Offering.

Ch. 66Finally, the Fight Was Over

Haruto and Kanae struggled to survive Doma’s escalating attacks until Gyomei arrived and disrupted his Blood Demon Art. Doma escaped at sunrise after breaking Haruto’s blade, leaving Haruto worried that Tamayo’s Potion had changed him.

  • Doma sensed danger in Haruto’s rapid regeneration and attacked, while Haruto wounded him with blood-coated strikes and urged Kanae to escape.
  • Doma became excited by Haruto’s blood and unleashed Frosty White Princess, freezing the cabin and leaving Haruto unable to dodge a storm of icicles.
  • Gyomei Himejima burst into the cabin, destroyed Doma’s ice statues, and freed Haruto from the freezing mist’s effects.
  • As dawn approached, Haruto attacked Doma with Moon-Banishment, but Doma froze and snapped his Nichirin Blade before escaping into the sunlight.
  • Kanae thanked Gyomei for arriving in time, while Haruto stared at his broken blade and feared the Potion had transformed him.

Ch. 67The Child Wearing a Hyottoko Mask

After recovering from the battle with Doma, Haruto visited Tamayo, who examined him and warned that his palm still needed surgery. He returned to the Swordsmith Village for a new Nichirin Blade and met the young Kotetsu, whose blunt remark exposed Master Goto’s teasing about Haruto’s love life.

  • Tamayo examined Haruto, found that Genya’s blood remained stable in his body, and said his palm needed surgery for an unhealed puncture wound.
  • Yushiro angrily accused Haruto of being ungrateful for Tamayo touching his face during the examination.
  • Haruto returned to the Swordsmith Village with Mitarashi Dango, where Master Goto told him that Haganezuka had gone into the mountains to forge an unbreakable Nichirin Blade for him.
  • Haruto met Kotetsu, who collected forging diagrams from Master Goto and said he needed to work hard as the only son left in his family.
  • Haruto confronted Master Goto over having called him a man who would stay a bachelor, and Master Goto admitted he had been joking.

Ch. 68Yoriichi Type Zero

While waiting for Hotaru Haganezuka to forge his blade, Haruto trained and learned about Kotetsu’s family’s Mechanical Puppet. Kotetsu showed him the puppet, which Haruto recognized as Yoriichi Type Zero.

  • Haruto trained against a wooden post, and Kotetsu watched before revealing his family had a Mechanical Puppet capable of 108 movements.
  • Haruto and Kotetsu passed Obanai Iguro, whom Kotetsu described as kind despite his aloof appearance.
  • Kotetsu asked Haruto whether he wanted to see the Mechanical Puppet, and Haruto followed him to the Tetsumotokawa Family storehouse after lunch.
  • Kotetsu uncovered the six-armed puppet holding Nichirin Blades, and Haruto identified it as Yoriichi Type Zero.

Ch. 69Haruto Zero?

Haruto fought the ancient Mechanical Puppet Yoriichi Type Zero and learned it was modeled after a legendary Sengoku-era swordsman. After the sparring match, Kotetsu proposed building a training puppet modeled after Haruto and naming it Haruto Zero, but Haruto suggested Haruto One instead.

  • Haruto recognized the Sunflower Earrings on Yoriichi Type Zero and wondered whether Tanjiro and the Kamado Household were connected to Yoriichi Tsugikuni.
  • Kotetsu activated the three-hundred-year-old puppet, and its six Nichirin Blades quickly shattered Haruto's wooden sword.
  • Haruto dodged the puppet's relentless swordsmanship and studied its movements until he found an opening.
  • Haruto trapped the puppet's head between his legs but spared it after seeing Kotetsu's pleading eyes, then kicked it away.
  • Kotetsu checked that the puppet was undamaged and explained how its movements could be controlled to target swordsmen's weaknesses.
  • Kotetsu suggested making a puppet modeled after Haruto called Haruto Zero, and Haruto proposed naming it Haruto One.

Ch. 70Mingjing the Psychologist

Haruto obtained his new Nichirin Blade and set out to aid the Butterfly Mansion rescue team after Cang Kong reported that a Twelve Kizuki demon had attacked them. Shinobu Kocho and Genya faced Mingjing, Lower Rank Three, in the forest, where Genya challenged her with his musket.

  • Hotaru Haganezuka delivered Haruto's new Nichirin Blade, and Haruto left the Swordsmith Village after hearing that the rescue team had been attacked.
  • Shinobu Kocho's group traveled toward Suzuki and noticed the unnaturally silent forest.
  • Mingjing appeared before the group and introduced herself as Lower Rank Three, prompting the Demon Slayers to scatter and shield the Kakushi.
  • Mingjing used her Blood Demon Art, Heart-Mind Rebound, to stir fear and read the thoughts of Shinobu Kocho and the others.
  • Genya resisted Mingjing's mind-reading and pointed his Double-Barreled Musket at her, asking whether shooting her head or smashing her bells would kill her more cleanly.

Ch. 71An Angry Shinobu Kocho

Shinobu Kocho, Genya, and Yuri fought Mingjing, whose bell chimes and mind-reading let her evade their attacks and wound Yuri. Mingjing revealed that the Twelve Kizuki had targeted Haruto, and Shinobu, enraged by her taunts, finally slashed at the demon.

  • Genya fired at Mingjing as Shinobu Kocho attacked, but Mingjing used her bells to blur Shinobu's vision and dodge both attacks.
  • Shinobu Kocho and Genya tried another pincer attack, but Mingjing read their thoughts, seized Yuri's sword hand, and crushed it.
  • Shinobu Kocho stabbed Mingjing in the eye, but Mingjing healed quickly and explained that she had briefly lost track of Shinobu's thoughts.
  • Mingjing revealed that the Twelve Kizuki had analyzed Haruto and threatened to make him serve them or become their meal.
  • Shinobu Kocho and Genya filled their minds with meaningless thoughts to hide their plans, but Mingjing taunted Shinobu about her feelings for Haruto.
  • Shinobu Kocho lost her temper and slashed at Mingjing.

Ch. 72Shut up... shut up

Shinobu Kocho and Genya fought Lower Rank Three Mingjing, whose Blood Demon Art eventually forced Shinobu to turn her gun on herself and Genya to raise his musket to his temple. Haruto arrived in time to stop Genya and send Mingjing toward Shinobu, who thrust her Nichirin Blade into the demon’s throat.

  • Shinobu Kocho poisoned Mingjing, while Genya blasted the demon’s head with his gun and endured her counterattack.
  • Mingjing attacked Genya with her enhanced Blood Demon Art, but Shinobu shot her with a wisteria-poison bullet.
  • Mingjing used her Blood Demon Art to make Shinobu turn her gun on herself and then commanded Genya to kill himself.
  • Haruto knocked the musket from Genya’s hand with a plum, kicked Mingjing toward Shinobu, and restrained Genya.
  • Haruto urged Shinobu to draw her blade, and she thrust her Nichirin Blade into Mingjing’s throat.

Ch. 73Gossip

Shinobu Kocho killed the Lower Rank demon and tried to deflect praise for the victory, while Haruto and Genya helped the injured Yuri Jiangzhong return to the Butterfly Mansion. As the others continued to Suzuki, gossip revealed that Shinobu liked Haruto and that many other women admired him too, leaving Haruto shocked.

  • Shinobu Kocho beheaded the Lower Rank demon, and Genya collected its blood for Miss Tamayo's research.
  • Haruto checked the girls' injuries, and Shinobu rejected the suggestion that she would become a Hashira.
  • Haruto and Genya took the injured Yuri Jiangzhong to the Butterfly Mansion while the others continued to Suzuki.
  • Genya told Haruto that the demon had exposed Shinobu's feelings for him by reading her mind.
  • Saori and the others reassured Shinobu that liking Haruto was common, then shared gossip about other women who admired him.
  • Yuri revealed the gossip to Haruto, who realized he had known nothing about his admirers.

Ch. 74I didn't find it hard

Haruto visited Shinobu at the Butterfly Mansion to explain why he had stayed unmarried and to discuss her feelings for him. Shinobu challenged his disregard for his own life, but Haruto insisted that risking himself to protect others was not hard for him.

  • Haruto waited at the Butterfly Mansion until Shinobu finished her work and came to speak with him.
  • Haruto told Shinobu that Master Goto had urged him to marry because the Takanashi Family was threatened by a powerful Upper Rank demon.
  • Haruto explained that the demons knew his name and that eradicating them mattered more to him than romance or marriage.
  • Shinobu recalled Genya saying Haruto and his brother treated their lives carelessly, then asked why Haruto had taken Tamayo's potion so readily.
  • Shinobu told Haruto that slaying demons was not his responsibility alone and that the Corps did not want to win at the cost of comrades' lives.
  • Haruto reflected on the few survivors of the final battle and told Shinobu that risking himself did not feel hard to him.

Ch. 75It's a Promise

After Shinobu Kocho angrily rejected Haruto’s explanation, he received word that Tamayo had made a breakthrough with the Demonization Potion and set out to keep his promise to test it. He sent Genya to visit Tanjiro, who used the potion to attack him, and Tanjiro began fighting with Star Breathing.

  • Shinobu Kocho stormed into the Butterfly Mansion after telling Haruto that any sacrifice should start with her.
  • Haruto received letters from Kanae Kocho and Tamayo, then prepared to visit Tamayo and test her Demonization Potion.
  • Haruto sent Genya to Mount Kumotori to check on Tanjiro and promised Genya he would return safely.
  • Genya used Tamayo’s demon-flesh pills to transform and ambushed Tanjiro near the Kamado household.
  • Tanjiro grabbed his Nichirin Blade, warned Nezuko to stay inside, and attacked Genya with Star Breathing’s First Form: Bright Tears.
Arc 3 of 10