Demon Slayer : Kimetsu no Yaiba (chapter 31 explanation)

 

Chapter 31: Leting Someone Else Go First

The chapter begins with Inosuke attempting to get Tanjiro's attention by trying to throw one of the demon slayers up into the tree. However, the Mother Spider catches onto their plan and quickly kills the demon slayers shes controlling as puppets. Inosuke calls out in frustration after realizing that they're all dead and notices Tanjiro hunched over besides one of the bodies, he senses a dark aura being emitted from him and immediately agrees when Tanjiro says they need to go.

Tanjiro and Inosuke encounter the "doll"

They travel quickly through the forest and approach the strong odor of a demon, however they begin to panic as they realize that its a headless body being used as a puppet. Tanjiro attempts to formulate a plan to take down the puppet, however Inosuke charges forward and engages with the being. To his disadvantage, Inosuke sustains multiple slashes and unknowingly gets entangled by a spider's thread, he panics as the headless puppet prepares to pierce through him.

At that moment, Tanjiro quickly comes to Inosuke's defense and deflects the puppet's attacks, he manages to push back the puppet and yells to Inosuke that they need to fight together in order to defeat it. In an angered protest, Inosuke calls him out saying "I won't let you embarrass me anymore!"

The puppet charges forward to attack, however the boys prepare their counterattack together, Tanjiro bends over to evade the attack and tells Inosuke to go over his back. He successfully slices both of the daggers from the puppet and leaps into the air off of Tanjiro's box, meanwhile Tanjiro uses the Water Breathing: Third Form - Flowing Dance to demobilize the puppet by slashing its legs. As Inosuke descends from above, his jealousy at Tanjiro's skills and abilities builds up and he powerfully delivers the final blow to defeat the puppet demon.

Tanjiro is amazed by Inosuke's final cut but becomes stunned when Inosuke suddenly charges at him. Inosuke exclaims that "I can do anything you can do dummy!" and furiously throws him up into the air.

Inosuke throw Tanjiro up into the air 

Nearby in the forest, the Mother Spider Demon sits defeated on her rock after her strongest doll was defeated. She upsettingly blames Rui for her defeat since he had threatened her to do well.

As Tanjiro spots her from above and prepares to attack, the Mother Spider Demon panics when trying to formulate a plan however she comes to realize that she will find freedom and peace in death. She holds out her arms and accepts her fate. Tanjiro notices the change in her demeanor and switches from using the Water Breathing: First Form - Water Surface Slash to Water Breathing: Fifth Form - Blessed Rain After the Drought.

Tanjiro defeating the Mother Spider Demon

The chapter concludes with the Mother Spider Demon being decapitated with a merciful sword stroke.

Demon Slayer : Kimetsu no Yaiba (chapter 30 explanation)

 

Chapter 30 :- Puppet Dolls

As the trio of boys continue to fight the possessed demon slayers, Murata advises the other two chase down the demon while he handled the swordsmen. In response, Tanjiro thanks Murata quickly drags a protesting Inosuke deeper into the forest with him.

Tanjiro and Inosuke discover the female swordsman

Inosuke and Tanjiro sprint through the forest, en route to the demon, when they stumble across a crying female corps member. She pleads with them to stay away and bring a stronger swordsman to help, warning that demon will control her to kill the remaining swordsmen.

Elsewhere in the forest, a female demon is seen giggling on a rock with excitement, as the boys come closer and closer to her stronger puppets. The mysterious boy from the previous chapter—whose name is revealed to be Rui— stealthily appears behind a tree and calls out to the demon calling her "Mother". She flinches upon seeing him and breaks out into a sweat, Rui asks her if she is capable of winning and threatens that if she doesn't do so in a timely matter, then he will tattle to his "Father".

Rui threatens the Mother Spider Demon

Mother becomes frantic and assures Rui that she is capable of the assignment and protecting him, saying that "Father" does not need to get involved. Rui backs away into the forest while ominously telling her to hurry up.

With a newfound sense of urgency, the Mother demon begins to operate the corps members with more violent jerks. The female swordsman begins to quickly lunge and slash at the boys while her bones twist and crack in unnatural ways. Tanjiro dodges her attacks and sees two other corps members pleading to be killed and put out of their misery due to the pain.

Tanjiro successfully tangles Ozaki in the tree

Without hesitation, Inosuke agrees and tries to attack them but is told to wait by Tanjiro. He begins to ponder on how to immobilize them without hurting them anymore then they already are. Tanjiro runs in the opposite direction as the female swordsman gives chase, he sprints then turns back quickly to grab and throw her into the air. The girl gets caught on a branch and remains tangled within the canopy of the tree.

Inosuke stays standing in disbelief and eagerly follows Tanjiro's lead, he grabs a nearby corps member and successfully throws him into the tree where he stays tangled. He turns to face Tanjiro and tries to mock him by saying that is capable of doing anything that Tanjiro can do. In a comical response, Tanjiro apologizes to Inosuke for not watching what he was doing which angers him.

The chapter ends with the Mother demon twitching in anger as she is forced to bring out "that doll", alluding to something more powerful.

Demon Slayer : Kimetsu no Yaiba (chapter 29 explanation)

 

CHAPTER 29:-  Natagumo Mountain

After having been left behind by Tanjiro and Inosuke, Zenitsu begins to question his self worth. He sits alone in the middle of the path sulking, until his companion, Chuntaro, approaches him.

Trying to offer solace, he chirps in his bird language for Zenitsu to go accompany his friends as backup. However, Zenitsu brushes off his sparrow's warnings thinking about how relaxed he must be since it doesn't understand a thing about humanity. Chuntaro begins to peck angrily at Zenitsu's hand, causing him to lose his patience, he complains saying that Chuntaro is nothing compared to how cute Nezuko is and panics realizing that Tanjiro has taken her into the forest with him. Zenitsu gets up and dashes into the forest to save Nezuko.

Meanwhile within the mountain, Inosuke and Tanjiro have engaged in combat with their fellow demon slayers. Inosuke belittles their intelligence for attacking them until Tanjiro realizes that they are being controlled by an unseen force. Inosuke announces that he is going to "cut them up" before Tanjiro yells at him saying that they shouldn't defile their comrades' corpses. Angered by his words, Inosuke faces Tanjiro and headbutts him saying that he doesn't like to be told what to do.

Tanjiro and Inosuke protect Murata

In the midst of the chaos, Murata —the swordsman they discovered on the mountain—, is suddenly attacked by one of the demon slayers. The two boys rush forward to protect him and Tanjiro discovers an unsettling smell as well as threads controlling the demon slayer. He yells his discovery to Inosuke and tells him to quickly free the controlled swordsman from the threads.

Demon Slayer controlled by Threads

Tanjiro tries to search for the demon responsible but is distracted by a foul odor, in the haze he discovers small spiders spinning threads to gain control of his arms. He frees himself and discovers that they are responsible for controlling the corps members, Tanjiro asks Inosuke to find a way to pinpoint the location of the demon controlling the spiders and calls out to Murata.

Demon

In the middle of his instruction a boy appears from above, and warns the demon slayers to not "disturb the peaceful life" of his family. Tanjiro notices the young boy to be balancing on threads, before he is threatned to be killed. Inosuke leaps up into the air and lunges at the boy, and curses at him as he calmly escapes. Tanjiro yells at Inosuke to not mind the boy and find the Demon controlling the spiders. In response, Inosuke pierces his blades into the ground and crouches down to preform his Beast Breathing: Seventh Form - Spatial Awareness —a form of echolocation— to locate the shilouette of a female demon.

Inosuke locates the Demon

At the end of the chapter, the boy gazes up at the moon as he eerily chants that he will not allow anyone to cut bonds of his family.

Demon Slayer : Kimetsu no Yaiba (chapter 28 explanation)

 

CHAPTER 28:- URGENT SUMMONS

Following Zenitsu's outrage after discovering that Tanjiro had been travelling with a girl, he comes to understand the situation and begins grovelling towards Tanjiro.

Inosuke disrespects Hisa

Their injuries have now healed from their previous endeavor against Kyogai, and they receive a message from Tennoji the crow to head to Natagumo Mountain. Just as they are about to set off, they thank Hisa for her kindness and she offers them sparks for good luck on their journey. Confused by her intentions, Inosuke loudly questions her and calls her a hag causing Zenitsu and Tanjiro to frantically intervene while questioning his intelligence. As they run off, Inosuke overhears the women wish them a good fortune and prideful lives causing him to gaze at her in confusion.

NATAGUMO MOUNTAIN

He calls out to the boys running in front of him asking for the meaning behind her words, Tanjiro goes on to wonder if she meant to not feel embarrassed to behave bravely. Still not understanding the meaning, Inosuke begins to question Tanjiro's explanation causing him to feel flustered and run faster to comically avoid his questions.

The boy gets dragged into the forest

By the time they've arrived at Mount Natagumo, night time has fallen. They prepare to investigate the mountain, but are held back when Zenitsu becomes frightened and is reluctant to climb the mountain. A sudden scent emerges, and Tanjiro discovers an injured swordsman begging for help down the path. Tanjiro and Inosuke run towards him but he suddenly lifted into the air, and pulled back into the mountain screaming for help. Tanjiro proclaims he's going to investigate the mountain before Insouke claim's he will lead as Tanjiro "tremble's in fear and follows behind.'

While climbing the mountain, the two boys notice an unusual amount of spiderwebs. Tanjiro calls out to Inosuke and thanks him for bravely accompanying him to investigate, saying how the twisted scent of the mountain had scared him but when Inosuke agreed to go, he was able to overcome his fear. Inosuke ponders on what he means, and is reminded of the kind actions of Lady Hisa, showing the beginning of Inosuke's connection to human emotions.

Demon Slayers kill each other

Tanjiro notices someone hidden in the woods and approach him, they introduce themselves as Mizunoto swordsman and have arrived as backup. The boy hidden in the brush angrily voices his distaste hoping for a Hashira instead, to which Inosuke cuts off by socking him in the face. He angrily yells at the unknown swords man and demands a summary of what has occured on the mountain. He tells the boys that a crow had brought an order to investigate the mountain and 10 Corps members had come as group, however not long after arriving, they had began to unprovokingly began killing each other. A second unconscious swordsman then appears before the boys, revealing that he is being controlled like a puppet by a mysterious female demon.

Female Demon appear 

Back at the the Ubuyashiki household, the crow of one of the swordsman has haggardly arrived to give word of what has occured on the mountain. Kagaya deducts that it has to be the work of one of the Twelve Kizuki and decides to dispatch the Insect Hashira, Shinobu Kocho, as well as the Water Hashira, Giyu Tomioka. Shinobu asks Giyu how "it would be nice if humans and demons could get along." to which he responds "as long as demons eat people, it's impossible."

Demon Slayer : Kimetsu no Yaiba (chapter 27 explanation)

 

Chapter 27:- Hashibira Inosuke

Tanjiro Kamado and Zenitsu Agatsuma both note how Inosuke Hashibira's face has great complexion and beauty. Inosuke expresses great annoyance at this and tries to argue with Tanjiro, in which the latter states he is too tired to continue fighting. Inosuke reveals his full name and tells the group to remember it but falters when Tanjiro asks how it is written, saying he doesn't know how to write and then suddenly falls unconscious. Tanjiro realizes Inosuke likely received a concussion from the headbutt, and he and Zenitsu use their haoris to create a makeshift bed for Inosuke.

Inosuke wakes up a bit later and yells, exclaiming he wants to fight. He catches sight of the group and Tanjiro explains they’re burying the dead, requesting for Inosuke to help out. Inosuke is unenthusiastic about the work and demands he fight him instead. Tanjiro provokes him by replying that Inosuke probably felt too much pain to aid in such an exhausting task, telling him to rest and leave the burden to the more capable people. An enraged Inosuke takes on the challenge, quickening the pace of the burial.

Inosuke collapses from Tanjiro's headbutt

As they descend the mountain, Zenitsu tries to force Shoichi to come with him, believing him to be strong and able enough to protect him. Tanjiro pushes him off the reluctant child and reprimands him while his Kasugai Crow gives Kiyoshi an incense bag that smells like Wisteria, meant to prevent any other attacks from Demons hungry for his marechi. The Demon Slayers bid farewell to the trio of siblings and head along.

Tanjiro strikes up conversation with Inosuke and asks about his past growing up on a mountain. The latter reveals his lack of a direct family and explains his enjoyment of battles over strength, describing how he encountered and fought Demon Slayers that later told him about Demons and the Final Selection, which eventually led to him attending it despite not receiving instruction from a cultivator. Inosuke, while conversing with Tanjiro, humorously gets his name wrong multiple times much to Tanjiro’s dismay.

House with a Wisteria crest

As night falls, the Kasugai Crows lead the three Demon Slayers to a house with a Wisteria crest painted on its door, and an old lady named Hisa comes out and greets the trio, leading them into the house. Zenitsu and Inosuke are immediately rude to her, Inosuke poking her hair and Zenitsu calling her a “monster” for her speed in meal and bed preparation. Tanjiro’s crow explains how there are people who provide food and shelter for Demon Slayers without need for payment, identified by the Wisteria crest on their houses.

Zenitsu becomes enraged with Tanjiro

A doctor is called by Hisa and he notes that all of them have broken ribs. As the three eat, Inosuke tries to irritate Tanjiro but is unsuccessful and is met by his kindness instead. Zenitsu recalls the incident with Tanjiro’s box and asks him why he carries a Demon around with him. Before he can answer, Nezuko Kamado comes out of the box and grows to her original size. Zenitsu is immediately infatuated with her and comically hollers at Tanjiro, saying how he was lucky to be carrying a girl with him on his journey and how he shed blood to protect her, yelling at him until dawn.

Demon Slayer : Kimetsu no Yaiba (chapter 26 explanation)

 Chapter 26:- Bare Handed Fight

Zenitsu Agatsuma lies unconscious on the ground as he recalls the day's events and describes his sharp hearing: he is capable of hearing the sounds of Demons and the conversations of other people, even while asleep. He notes how Kyogai's sound has disappeared, meaning he had been defeated by Tanjiro Kamado and that the latter was making his way back outside. Shoichi appears above Zenitsu and with tears in his eyes, explains how they made it out of the house through falling out of a window, thanking him for making sure he remaind unharmed. Zenitsu discovers blood on the back of his head and panics, but is interrupted by the boar headed swordsman smashing his way out of the house.

Swordsman sees a box and sense a Demon

Zenitsu remembers and reveals the swordsman as the fifth Final Selection survivor, the fastest individual to make it up and down Fujikasane Mountain before the other survivors. The swordsman sees Nezuko Kamado's box and senses a Demon, running to attack it but is cut off by Zenitsu, who defends the item that Tanjiro found more important than his own life. He admits that he knew there was a Demon inside ever since he met Tanjiro, but didn't question it as Tanjiro had such a pure sound coming from him that made Zenitsu deem him trustworthy. He refuses to let the assailant harm the box without first figuring out what its contents were from Tanjiro himself.

Zenitsu Beaten up by Boar-masked Demon Slayer

The boar-masked Demon Slayer acknowledges Zenitsu's courage and begins to beat him up, just as Tanjiro arrives with Kiyoshi and Teruko. The former expresses great shock at the sight, as the way Zenitsu defended the box reminded him of how Nezuko tried to protect Rokuta Kamado during the Demon attack. Before the assailant can harm him and Nezuko even further, Tanjiro punches him in the ribs, breaking them. He lectures the assailant on how Zenitsu wouldn't reciprocate his attacks as it was against the code of conduct for Demon Slayers to attack each other.

Tanjiro punch Boar-masked 

The assailant decides to instead duel with his bare hands rather than with his blades, while Tanjiro desperately tries to talk it out. He notices how the assailant's attacks are very close to the ground, similar to fighting a wild boar. He also tries to attack lower, but the assailant dodges and hits him using his extreme flexibility, laughing and showing off his flexibility by bending backwards and putting his face between his legs. Tanjiro tries to advise him not to do so since his bones were broken, but the assailant ignores him and Tanjiro is forced to use his headbutt to make him calm down. The assailant staggers backwards and his mask falls off, revealing his face.

Boar-masked Face Revealed 

Demon Slayer : Kimetsu no Yaiba (chapter 25 explanation)

Chapter 25:- Self inspiration

Tanjiro Kamado desperately cheers himself on as he blocks Kyogai's incoming attacks. The Demon suddenly remembers his past, where a man is seen criticizing his writing, telling him it wasn't beautiful and sounded like garbage. The man continues to put him down, telling him how he should stop writing and just beat his drums as that was the only thing he could do. As he walks away, he steps on one of Kyogai's writings and the enraged Demon beats his drum once, killing him instantly with three slashes.

Demon uses Blood Demon art technique

After recalling this memory, Kyogai is furious and performs Blood Demon Art: Rapid Drumming. Tanjiro has trouble dodging all of his attacks and notices the number of slashes had increased to five per attack. The movement of the room causes some of Kyogai's writings to fall on the ground which Tanjiro notices, but he avoids stepping on them which surprises Kyogai. The Demon Slayer figures out that it would be easier to use short breaths and smells the mold before incoming attacks, making more fluid and calculated movements as he uses Water Breathing: Ninth Form - Water Splash to decrease the distance between the two. Right before he decapitates Kyogai, Tanjiro tells him his Blood Demon Art is amazing.

Tanjiro uses his Breathing technique

Tanjiro breathes heavily after defeating the Demon, but keeps telling himself that he is the eldest son and must pull through somehow. Kyogai's disintegrating head asks him if he really thought his Blood Demon Art was strong, and Tanjiro reassures that he did but says it is unforgivable to kill humans. He then takes out a tool given to him by Tamayo which extracts the blood from Kyogai's body, giving it to a cat wearing a talisman. Kyogai's head, on the verge of disappearing, cries about how Tanjiro saw the value in both his writing and drumming.

Zenitsu beaten up by Inosuke

While making his way through the corridor, Tanjiro opens the door to where he left Teruko and Kiyoshi and is greeted by a mass of objects thrown at him. The siblings apologize; they mentioned how they were scared since the drum disappeared and didn't have a way to defend themselves in case of an attack. The trio make their way out of the house, but just as they make it to the entrance, Tanjiro smells blood. He runs out to see a crying Shoichi as Inosuke Hashibira beats a wounded Zenitsu Agatsuma.

Demon Slayer : Kimetsu no Yaiba (chapter 24 explanation)

 

Chapter 24:- Ex-Twelve Demon Moon

Kyogai thinks of his time as a member of the Twelve Kizuki. He recalls gradually reaching his limit and becoming unable to devour more humans, resulting in Muzan Kibutsuji depriving him of his rank. Kyogai's disappointment in himself drives him to become strong enough to eat more humans and gain recognition by Muzan in order to receive more of his blood, lamenting on how his original prospect of becoming stronger after the acknowledgement of his abilities was a risky belief.

Demon was think about the moment when Muzan removes his rank

After finding Kiyoshi, Teruko runs to him as they greet each other with tears of relief. Tanjiro introduces himself as a Demon Slayer and treats Kiyoshi's wounds with medicine given to him by Sakonji Urokodaki. After settling down, Kiyoshi describes how Kyogai kidnapped and tried to devour him, but was interrupted by the Horned Demon and Tongue Demon. The three Demons began a scuffle, arguing over who would be the one to eat Kiyoshi, Kyogai's back drum being pulled out in the process. The young boy mentions how he used the drum to stay alive so far, beating it to change the rooms and avoid ambushes. Tanjiro mentions "rare blood," and Kiyoshi recalls that the Demon did in fact refer to him as that. Tanjiro's Kasugai Crow appears and details the meaning of "rare blood": Demons favored humans with this blood as they hold nutrition equal to about fifty to a hundred people and are considered a delicacy.

Demon find Tanjiro

Tanjiro suddenly hears someone approaching and instructs the siblings to use the drum to escape, reassuring them that he was here to defeat the Demon and would return. The two children nod, and he praises them for their mental fortitude as he dashes out of the room and comes face-to-face with Kyogai. The Demon angrily refers to Tanjiro as a pest, beating the drum on his stomach and turning the room upside-down.

Demon continuously attacking Tanjiro

He continues hitting the drums, attacking Tanjiro with slashes and shifts of the room as the young Demon Slayer tries to understand the movement and coordination of the Demon's attacks. Despite being treated by Tamayo, he notes how his wounds weren't completely healed and caused him immense pain, having endured it ever since he met Zenitsu Agatsuma. Tanjiro tries to clear his mind and remembers his master telling him how the Water Breathing is very versatile and can change shape, never breaking its flow. The boy tells himself that he needs to do his best and that he will never give in to the Demons, healing his spirit.

Demon Slayer : Kimetsu no Yaiba (chapter 23 explanation)

 

Chapter 23:- Zenitsu Sleeps

Tongue Demon

Zenitsu yells at the appearance of the Tongue Demon, desperately telling it to stay back and that neither he nor Shoichi would taste good as they run away. The Demon responds that he would not know how they'd taste if he didn't try, proceeding to chase and attack them. After running into a room, Zenitsu collapses from fear and tells Shoichi to escape and leave him, however, the young boy immediately refuses and Zenitsu is further pressured with his responsibility to save Shoichi.

Zenitsu falls asleep

As the Tongue Demon approaches them, Zenitsu falls asleep from both his fear and the tension of the situation. Shoichi begs him to wake up just as the Demon lashes out its tongue.

Zenitsu cut the tongue of 

Suddenly, the Demon's tongue is cut and Zenitsu stands, his subconscious sustaining him as he goes into a stance and uses Thunder Breathing: First Form - Thunderclap and Flash to decapitate the Demon without hesitation. Shoichi gapes in shock as Zenitsu wakes up and screams at the sight of the dead Demon's head. The confused Demon Slayer misunderstands the situation and expresses extreme gratitude towards Shoichi for "saving" the pair, telling him he should've let him know earlier that he was so strong. Shoichi is at a loss for words and decides not to say anything, telling Zenitsu they should go.

Zenitsu use Thunder Breathing

In a hallway of the house, Inosuke Hashibira runs through, annoyed by Kyogai blowing him away and the incovenience of the hallway's structure. A hand appears and tries to grab him, but the swordsman ducks and faces the Horned Demon, who praises his mobility despite being human and how he would be worthy meat. Inosuke jumps straight at the Demon and effortlessly cuts off its arms, using Beast Breathing: Third Fang - Rip and Devour to decapitate it, shouting his signature catchphrase.

Inosuke attack on Horned Demon

Kyogai appears again and mutters to himself about a certain "rare blood", stating that the power and energy given by eating humans with this blood equivalent to devouring a hundred humans. He tells himself that he needs to eat more of the rare-blooded humans in order to return to his position in the Twelve Kizuki.

Demon Slayer : Kimetsu no Yaiba (chapter 22 explanation)

 

Chapter 22:- The sudden appearance of a pig

Tanjiro is astonished by the presence of the mysterious man wearing a boar's head. He notices the individual bears dual Nichirin Blades and witnesses his assertion of using Kyogai as his stepping stone to become stronger and higher-ranked, rushing forward to attack him. Kyogai beats his drum and the room rotates with Tanjiro yelling at Teruko to grab hold of furniture as she tumbles. The dual-wielder uses Tanjiro as a support to launch off and attack the Demon and Tanjiro tells him to not act recklessly. He is ignored and Kyogai hits another drum, shifting the room which results in the boar-masked individual to land and step on Teruko, paying no mind to her cries and expressing enjoyment and interest in the motion of the room.

Boar's head man with Nichirin blades

Tanjiro throws the man off and hugs Teruko, angry over his lack of concern for Teruko's well-being. The man laughs and starts attacking them, praising Tanjiro for being capable of throwing him. Tanjiro shouts at him to stop as the Demon was right in front of them, but he states that he didn't care and continues his assault.

Kyogai suddenly hits a different drum, resulting in three quick slashes cutting the floor and interrupting the scuffle between the two Demon Slayers. Tanjiro comments on the shape of the slashes looking like claw marks, but his thoughts are cut off by Kyogai consecutively hitting multiple drums and rotating the room once again. Tanjiro starts understanding how the movement corresponds to each drum that is hit, but he and Teruko are transported to another room before he can react.

Demon attack on Tanjiro and Boar's head

Tanjiro questions the sudden change, as he didn't hear Kyogai hit a drum which could've possibly allowed for him and Teruko to move. He starts analyzing his surroundings and finds a dead body, in which the Demon Slayer quickly ushers Teruko in the other direction before she sees it. Tanjiro smells a unique scent of blood and he opens a set of door, discovering Kiyoshi right before he hits a drum.

In another section of the house, Zenitsu walks while holding Shoichi's hand. Shoichi says his name and Zenitsu yells, scolding him for surprising him. Shoichi tells Zenitsu how he feels unsafe around him, especially considering how frightened Zenitsu was. Zenitsu profusely apologizes and tells him that they should stay quiet to avoid being attacked by Demons, just as the Tongue Demon appears in front of them.

Zenitsu encounter with a Demon

Demon Slayer : Kimetsu no Yaiba (chapter 21 explanation)

 

Chapter 21:- Drum house

Tanjiro distraughtly realizes the man that fell out of the house is already dead, upset at the amount of pain he must've felt. Shoichi tells him their brother was wearing a persimmon-colored kimino and the man that had just perished was not him. Tanjiro internally apologizes to the deceased man, promising to give him a burial when he returns. He calls for Zenitsu to join him on the mission to defeat the Demon in the house, but after looking at Zenitsu's distressed face, angrily goes on alone. Scared by Tanjiro's furious expression, Zenitsu reluctantly tags along. Before they enter the house, Tanjiro entrusts Nezuko's box to the two children, telling them that what's in the box will protect them in case of danger.

Tanjiro and Zenitsu entering in drum house

As the two Demon Slayers enter the house, Zenitsu trembles and confides in Tanjiro to protect him. Tanjiro apologizes to Zenitsu, saying he has multiple broken bones and Zenitsu cries in shock, protesting that he was no longer safe without someone to protect him despite Tanjiro's attempts to comfort him. Shoichi and Teruko run inside the house, frightened by the noises coming out of Tanjiro's box and a troubled Tanjiro tells them they couldn't just leave it outside as it was more important than his life.

Tanjiro faces Kyogai (The master of the house) 

Suddenly, the group hears a sound and accidentally split off, Zenitsu with Shoichi and Tanjiro with Teruko. The latter pair is stunned to see the room change, Tanjiro noticing how it shifted with a drum's beat. He apologizes to Teruko for separating from her brother and vows to protect her, wiping her tears. They hear footsteps and are shocked by the sudden presence of Kyogai in the hallway. Tanjiro immediately deciphers him to be the master of the house; his scent was the strongest and covered a broad range of the building.

Tanjiro attack on demon

Somewhere else, Zenitsu wails about his certain death while Shoichi simultaneously calls out for Teruko. Zenitsu pulls Shoichi and tells him they should go outside, but Shoichi turns around and reprimands him for his cowardice. Zenitsu is hurt by his words and argues that children should not be involved in this situation. They make their way down the hall and through doors, but fail to find the entrance. Opening a set of doors, Zenitsu comes face-to-face with an individual wearing a boar hide mask. Zenitsu calls him a monster, and the individual runs out of the room and rushes through a hallway.

Zenitsu meet Boar mask guy

Back at another room in the house, Tanjiro covers Teruko's mouth, informing her not to scream and to hide behind the shelves. Kyogai speaks, annoyed at the number of people barging into his home and calls them his prey. Tanjiro's inability to ambush makes him call out to Kyogai instead, introducing himself as a Demon Slayer and the one that will defeat him. Kyogai ignores him and mutters about a person with special blood as Tanjiro goes to attack. However, the Demon suddenly beats a drum and the entire room rotates, Tanjiro speculating the change to be a result of the Demon's Blood Demon Art. He senses a new smell and the boar-masked human crashes through the wall.