Chapter Summaries

Kaigaku met a Demon and asked to become one so he could escape the Demon Slayer Corps. As the Demon led him toward its master’s cave, Kaigaku’s breathing became painful and he began coughing.

• A Demon emerged from the darkness and attacked Kaigaku, who severed one of its arms with his Nichirin Blade.
• Kaigaku told the Demon he wanted to become a Demon because a Demon Slayer was hunting him.
• The Demon agreed to take Kaigaku to its master, whom it identified as one of the Twelve Demon Moons.
• Kaigaku followed the Demon through the mountains, grew suspicious when they found no cave, and suddenly felt pain in his lungs before coughing.

Kaigaku killed the demon that poisoned him, but the poison left him collapsing in the forest. Tetsu no Sosuke then appeared and answered Kaigaku’s complaint that he had never encountered one of the Twelve Demon Moons.

• Kaigaku realized the demon had poisoned him and blamed Tetsu no Sosuke and the Demon Slayer Corps for trapping him.
• The demon taunted Kaigaku, but Kaigaku used Breath of Thunder—Form Two: Rice Soul to cut it apart and sever its head.
• Kaigaku found that he had lost his Antidote and collapsed as the poison weakened him.
• Kaigaku wondered why he could not become a demon or meet one of the Twelve Demon Moons.
• Tetsu no Sosuke emerged from the forest and told Kaigaku that even the Pillars rarely encountered one of the Twelve Demon Moons.

Tetsu no Sosuke caught up with the poisoned Kaigaku after a demon weakened him, and Kaigaku begged for medicine to save his life. Tetsu no Sosuke refused to help him.

• Kaigaku collapsed after the demon’s poison spread through his body and left him too weak to fight.
• Tetsu no Sosuke explained that he had pursued Kaigaku for three days, but a demon had ultimately brought him down.
• Tetsu no Sosuke asked whether Kaigaku had followed the demon to find the Twelve Demon Moons and abandon humanity.
• Kaigaku begged Tetsu no Sosuke for poison medicine, invoking his former master and the Butterfly Estate.
• Tetsu no Sosuke refused to save Kaigaku, even as he pleaded and struck his forehead against the ground.

After Kaigaku died from a Demon’s Blood Demon Art, Tetsu no Sosuke delivered his body to the Hidden and searched the mountain for the snake-like Demon. He wrote to Kuwajima Jigoro and Kanae, then was interrupted by two familiar girls arriving at his door.

• Tetsu no Sosuke mocked Kaigaku for his past actions, but Kaigaku died before he finished speaking.
• Tetsu no Sosuke carried Kaigaku’s corpse to the Hidden and searched the mountain for traces of the Twelve Demon Moons, finding nothing.
• Tetsu no Sosuke wrote Kuwajima Jigoro a factual account of Kaigaku’s death and sent Kanae a letter saying he would soon return to the Butterfly Estate.
• Two girls arrived at Tetsu no Sosuke’s room, and the shorter girl rushed inside to search it.

Kanae and Shinobu Kocho visited Tetsu no Sosuke after hearing he was hunting Kaigaku, and Kanae reunited with him while Shinobu reacted to his romantic letter. Tetsu no Sosuke asked after Big Hammer, then his exhaustion caught up with him.

• Tetsu no Sosuke greeted Kanae warmly and pulled her into his room.
• Kanae explained that she and Shinobu Kocho had come to help after learning he was hunting Kaigaku.
• Shinobu Kocho found and read Tetsu no Sosuke's letter to Kanae, then complained about their romantic behavior.
• Kanae told Tetsu no Sosuke that Big Hammer was healthy but missed him and had been eating and training less.
• Tetsu no Sosuke yawned from exhaustion and noticed Shinobu Kocho sneaking another look at his letter.

Tetsu no Sosuke and Kanae spent the night together after Shinobu Kocho caught them, and he asked Kanae to send a letter to Kuwajima Jigoro. After waking in the evening, Tetsu no Sosuke noticed someone peering through the window.

• Shinobu Kocho was caught sneaking a look at Tetsu no Sosuke’s letter and left after he shut the door on her.
• Tetsu no Sosuke and Kanae teased each other before settling down to sleep together.
• Tetsu no Sosuke asked Kanae to send a sealed letter to Kuwajima Jigoro, and she agreed.
• Tetsu no Sosuke woke in the evening, saw that the letter had been sent, and spotted a head outside the window.

Tetsu no Sosuke and Kanae woke up together and teased each other before their moment was interrupted by someone pounding on the door. The chapter ended with Kanae shoving Tetsu no Sosuke aside as the visitor knocked again.

• Shinobu Kocho peered through the window at Tetsu no Sosuke, who silently asked what she was doing there.
• Kanae woke in Tetsu no Sosuke's arms, wiped drool from his chest, and teased him about it.
• Tetsu no Sosuke joked that Big Hammer had drooled on him, making Kanae lunge at him.
• Tetsu no Sosuke pulled Kanae close and pinned her beneath him as they gazed at each other.
• Someone pounded on the door, and Kanae startled and shoved Tetsu no Sosuke aside.

Tetsu no Sosuke, Kanae, and Shinobu Kocho spent an evening exploring a lively town before returning to the Butterfly Estate after nearly half a month away. Back home, Tetsu no Sosuke learned that his Demon Slayer Corps uniform had arrived.

• Shinobu Kocho joined Tetsu no Sosuke and Kanae for a night out, insisting that she would not let them enjoy a date alone.
• The three wandered through the town, bought food and souvenirs, and stayed out until midnight; Kanae bought black fabric and eyed Tetsu no Sosuke.
• The next morning, Tetsu no Sosuke, Kanae, and Shinobu Kocho set off for the Butterfly Estate and returned without trouble.
• Kiyo Terauchi told Tetsu no Sosuke that his Demon Slayer Corps uniform had arrived and was in his room.

Tetsu no Sosuke returned to his courtyard with Kanae and Shinobu Kocho, where Big Hammer greeted him by knocking him down and licking his face. After Tetsu no Sosuke soothed the sulking Wolf with a bone, he wondered whether the reunion act had been a trick to get a treat.

• Tetsu no Sosuke and Kanae hurried to his courtyard, and Shinobu Kocho followed them.
• Big Hammer bounded over and knocked Tetsu no Sosuke down, licking his face as Kanae and Shinobu laughed.
• Tetsu no Sosuke wrestled Big Hammer away, then soothed him when the Wolf sulked.
• Tetsu no Sosuke gave Big Hammer a meat-covered bone, and the Wolf happily ran around with it.
• Tetsu no Sosuke wondered whether Big Hammer had pretended to be upset just to get a bone, but the mystery remained unsolved.

Tetsu no Sosuke tried on his Demon Slayer Corps uniform at the Butterfly Estate, where Kanae saw him off after a Kasugai Crow summoned him to meet the Master. As he prepared to leave, he considered bringing Big Hammer along.

• Tetsu no Sosuke pointed at Big Hammer, called him "Bad Wolf," and went inside to try on his uniform.
• Kanae checked the uniform’s fit, and Tetsu no Sosuke joked and flirted with her after changing.
• A Kasugai Crow landed on Tetsu no Sosuke’s shoulder and ordered him to set out to see the Master.
• Kanae asked Tetsu no Sosuke to send a letter if he received a mission, and he promised to do so.
• Tetsu no Sosuke saw Shinobu Kocho riding Big Hammer and wondered whether to bring him along.

Tetsu no Sosuke rode Big Hammer to Ubuyashiki Kagaya’s residence after Kagaya summoned him. Kagaya congratulated him on officially joining the Demon Slayer Corps and praised his progress over the past year.

• Tetsu no Sosuke outfitted Big Hammer with a saddle and a place for his Hammer Sword.
• Tetsu no Sosuke said goodbye to Kanae and Shinobu Kocho, then rode Big Hammer to Ubuyashiki Kagaya’s residence.
• Tetsu no Sosuke found Ubuyashiki Amane supporting Kagaya, whose illness had spread over both eyes.
• Ubuyashiki Kagaya congratulated Tetsu no Sosuke on becoming a Demon Slayer Corps member and praised his perseverance.

Ubuyashiki Kagaya discussed Kaigaku’s death with Tetsu no Sosuke, who chose not to pursue the matter further. Kagaya announced that Tetsu no Sosuke would become a Pillar and teased him about his relationship with the Flower Pillar.

• Ubuyashiki Kagaya asked Tetsu no Sosuke how he felt about the events on Fujikasane Mountain and Kuwajima Jigoro.
• Tetsu no Sosuke said Kaigaku’s death had settled the matter and that he would not pursue it further.
• Ubuyashiki Kagaya warned that Kuwajima Jigoro might visit the Butterfly Estate.
• Ubuyashiki Kagaya announced that he would appoint Tetsu no Sosuke as a new Pillar at the next Pillar Meeting.
• Ubuyashiki Kagaya brought up Shinobu Kocho’s doubts and her comments about Tetsu no Sosuke’s relationship with the Flower Pillar, and Tetsu no Sosuke dismissed them as childish talk.

After discussing his planned marriage to Kanae and his new responsibilities as a Pillar with Ubuyashiki Kagaya, Tetsu no Sosuke received a mission to investigate a town where several Demon Slayer teams had disappeared. He set off at once, determined to fulfill his role.

• Tetsu no Sosuke told Ubuyashiki Kagaya when he and Kanae planned to marry, and Kagaya wished them well.
• Ubuyashiki Kagaya discussed Tetsu no Sosuke's Pillar duties and responsibilities with him.
• Amane received a report that three teams sent to investigate a strange town had failed to return, and the latest team had found a Swordsman's severed head.
• Ubuyashiki Kagaya ordered Tetsu no Sosuke to investigate, learn what he could, and prioritize the Swordsmen's safety and his own survival.
• Ubuyashiki Amane gave Tetsu no Sosuke the route, and he sent Kanae a message before riding Big Hammer toward the town.

Tetsu no Sosuke reviewed the unexplained disappearances and the Demon Slayer Corps members who had gone missing in a town, suspecting its residents were involved. He reached the town the next day and met a Corps swordsman who recognized him as reinforcements.

• Tetsu no Sosuke recalled that three groups of Corps swordsmen had entered the town and failed to return, while its residents denied that anyone was missing.
• Tetsu no Sosuke concluded that either the town had a demon or its residents were demons, though he knew he needed to investigate in person.
• Tetsu no Sosuke hurried through the night because the swordsmen waiting in town might be in danger.
• Tetsu no Sosuke arrived at the town around noon and dismounted from Big Hammer when a Corps swordsman stepped out from behind a tree.
• Tetsu no Sosuke introduced himself, and the swordsman recognized him by his white wolf and hammer-shaped weapon.

Tetsu no Sosuke arrived in town to join Kashima Taro and the other Demon Slayer Corps members investigating a possible demon presence. After learning Tetsu no Sosuke had joined only five days earlier, his teammates panicked and left him struggling to get their attention.

• Kashima Taro introduced himself as a Rank I Swordsman and led Tetsu no Sosuke into town.
• Kashima Taro explained that his team had been staying in an abandoned house rather than openly investigating or using an inn.
• Kashima Taro introduced Tetsu no Sosuke to Kotani Tetsuya and Sato Ami.
• Tetsu no Sosuke said he had joined the Demon Slayer Corps only five days earlier, and Kotani Tetsuya and Sato Ami feared they would not survive the mission.
• Tetsu no Sosuke asked the team to explain what was happening, but they ignored him, and Kashima Taro stared blankly when he was called.

Tetsu no Sosuke listened as Kashima Taro and Sato Ami reported that a missing young man’s disappearance had been denied by the townspeople. After learning the rumor came from a traveling merchant and that a Corps member had died there, Sosuke focused on finding the young man’s address so they could hunt the demon.

• Tetsu no Sosuke regretted telling the others he was a new recruit and resolved to avoid making the same mistake again.
• Kashima Taro reported that the townspeople denied anyone had gone missing, despite the team’s undercover investigation.
• Sato Ami explained that an out-of-town traveling merchant had reported a young inn worker vanishing, while the inn staff denied he had ever worked there.
• Sato Ami said the Police had dismissed the merchant’s report, but the Demon Slayer Corps had investigated after hearing of the incident and a Corps member’s death.
• Tetsu no Sosuke asked whether they had found the missing young man’s address.

Tetsu no Sosuke and the others rested after their exhausting journey before preparing to set out. After examining the preserved head of Kotani Tetsuya’s companion, Tetsu no Sosuke recognized signs of a Demon and promised to bring the remains back for burial if they survived.

• Tetsu no Sosuke ordered the group to rest before setting out, and Kashima Taro volunteered to buy food.
• Kotani Tetsuya brought out a preserved box containing his companion’s head for the arriving reinforcement to examine.
• Tetsu no Sosuke inspected the wound and suspected the head had been torn off by a Demon.
• Tetsu no Sosuke told Kotani Tetsuya to keep the head safe so they could bring it back for burial.
• Kotani Tetsuya doubted they would return alive, and Tetsu no Sosuke insisted that he was strong.

Tetsu no Sosuke told Kotani Tetsuya and Sato Ami that a Pillar might arrive soon, but he still intended to investigate the disappearances without waiting. After Kashima Taro reported that a young street food seller had vanished and townspeople denied he had ever existed, Tetsu no Sosuke ordered the group to leave as soon as they finished eating.

• Tetsu no Sosuke said a Pillar might arrive in the next couple of days, giving Kotani Tetsuya and Sato Ami renewed hope.
• Kashima Taro returned with food and reported that a young man who had sold food on the street had disappeared, while locals claimed he had never existed.
• Tetsu no Sosuke ordered the group to finish eating and leave immediately to investigate.
• Sato Ami suggested that fear, threats, or human cruelty might explain why townspeople were hiding the disappearances.

Tetsu no Sosuke wondered whether the town's missing people were being erased through a shared lie, then went with Sato Ami to investigate an address. The door opened to reveal an elderly woman.

• Tetsu no Sosuke recalled the anime Another, where a class ignored one person to stop a deadly curse, and wondered if the town was hiding its missing people in the same way.
• After their meal, Tetsu no Sosuke, Sato Ami, Kotani Tetsuya, Kashima Taro, and Big Hammer went to the address on a note.
• Tetsu no Sosuke asked Kotani Tetsuya and Kashima Taro to wait outside with Big Hammer while Sato Ami accompanied him inside.
• Tetsu no Sosuke knocked, and after five minutes an elderly woman opened the door slightly and asked who was there.

Tetsu no Sosuke and Sato Ami investigated an old woman who claimed to live alone, and Tetsu no Sosuke found proof that she had a son. The grieving woman revealed that people had been paid to deny her son ever existed and asked the outsiders for help.

• Tetsu no Sosuke and Sato Ami posed as police officers and entered the old woman's home.
• The old woman denied having a son, so Sato Ami distracted her while Tetsu no Sosuke slipped around the house.
• Tetsu no Sosuke entered a room filled with men's clothes and found a diary describing the son's plans to study and his decision to stay with his mother.
• Tetsu no Sosuke confronted the old woman with the diary, and she admitted that people had been bought off to conceal her son's existence.
• The old woman asked Tetsu no Sosuke and Sato Ami for help, and Tetsu no Sosuke asked what kind she needed.