1 - 20 of 372 Works in Breathing Styles (Kimetsu no Yaiba)
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Getting a second chance is something many people wish for and something that I got. If only I’d been more specific about where I ended up, at the rate this world is going, I’m going to need a third chance soon. Good thing that I've got the Grimm Reaper looking out for me.
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breathe. by imkazzzz
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
27 Oct 2025
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Giyuu knelt at the bedside of the sick child, watched as Urokodaki attempted to feed the medicine. Giyuu studied him; laboured breathing mixed with what sounded like phlegm and a congested nose. A mess of black curls was all that spilt out of the futon, connected to a sweating and pale face with just a single scar over his right cheek. Giyuu relaxed somewhat as Urokodaki was successful. "His name?"
"Genya." Urokodaki responded, wringing out a towel and replacing it with the one already on the child's forehead.
"How do I help?" Giyuu asked.
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Genya managed to make his way into the remote mountains of Urokodaki's home just a few years before Tanjiro.
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To Where the Wind Blows by smollbunny
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
26 Oct 2025
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Wind Hashira, Shinazugawa Sanemi, is assigned a companion by the master. The companion’s job is to look after his reckless behavior during his missions to save his life, or at least prolong it. Yet the person who is assigned to be his companion turns out to be someone who will bring out a lot in him. That is you.
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Battle of Worlds: Omega Crossfire by TBling
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), One Piece (Anime & Manga), Dragon Ball, 呪術廻戦 | Jujutsu Kaisen (Anime), Bleach (Anime & Manga), Fullmetal Alchemist - All Media Types, Naruto (Anime & Manga), Hunter X Hunter, Xi You Ji | Journey to the West - Wu Cheng'en
25 Oct 2025
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Time rips open, and legends collide. Lord Xeres—a banished foe of the old Gods—fractures the multiverse with time rifts, making Luffy, Zoro, Naruto, Sasuke, Deku, Bakugo, Goku, Vegeta, Ichigo, Rukia, Tanjiro, Nezuko, Gon, Killua, Ed, Al, Yuji, and Megumi brawl for his amusement. While they clash, Xeres forges a perfect vessel: he captures Kabuto, Android 21, and All For One. Kabuto steals a timeline’s fallen Gohan; 21 refines a matrix to fuse impossible power; All For One’s Stockpile Quirk stabilizes it. Xeres pours his essence in and rises—a Saiyan with Vegeta-sharp hair and a single front band; purple pants and sash; black boots; a black tunic draped as a one-sided sash over his right leg—housing Haki, Ki, Chakra, Reiatsu, Nen, Cursed Energy, Alchemy, and more. His aim isn’t conquest but revenge on the old Gods. As he storms heaven, rivals unite for an all-or-nothing war. And when even that hope buckles, the pantheon plays its last card: Sun Wukong arrives, staff in hand, to help end Lord Xeres.
- Language:
- English
- Words:
- 53,656
- Chapters:
- 18/18
- Hits:
- 136
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Sun and Moon by Writer_of_many_subjects
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
25 Oct 2025
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Mizuki had once been owned by the Yakuza, but one choice to jump had brought her into the lives of the Kamado family. Her life was good, until her new family was slaughtered by a demon, and her little sister was turned into one. Mizuki finds herself in a journey to end the demons with her brother, only thing is she is being given odd news by the spirits only she seems able to see.
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Blood of the Kurobane by Aneko_Kenna
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
23 Oct 2025
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In the Hidden Kurobane Residence, laughter echoed as Aiyaka and Itsuki played in the yard, chasing animals without a care. From the veranda, their parents watched in silence.
Hoshika clutched a crimson ribbon, her warm voice breaking. “Do you think they’ll understand?”
Akihiro’s sharp gaze stayed on the children, his tone steady, pragmatic. “We must be strong… for them. Aiyaka may understand, but not Itsuki.”
Tears welled in Hoshika’s eyes. “My only regret… is not seeing them grow.”
He pulled her close, voice low. “I know. But we must have faith—in them, in our allies.”
Hoshika brushed her tears away, forcing a gentle smile. “Kids…”
They turned eagerly. “Yes, Mother?”
Akihiro beckoned them, stoic and calm. “Come here. It’s time for a family meeting.”
The siblings hurried over, unaware.
They didn’t know this would be the last time their family sat together. The last time they would hear their parents’ voices. The last time their world would feel whole.
Series
- Part 1 of Heaven & Abyss
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Where Heros Breathe by Story_lover14
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
22 Oct 2025
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Hey everyone this is another story i have had in my drafts that i wasnt going to post but since my other story has gotten a lot of recognition im going to post it.
- Language:
- English
- Words:
- 1,300
- Chapters:
- 1/?
- Comments:
- 3
- Hits:
- 43
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Demon Slayer: If There Were Two by AncientNarrator
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
20 Oct 2025
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If Tanjirou and Nezuko were twins, they would have been born with the demon slayer mark.
Join their adventures.
Note: The Tanjirou and Nezuko ship labels are used solely for illustrative purposes.
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Summary
Hyachinths are a symbol of new beginnings and change, often given as gifts to signify a fresh start.
The fight won't wait forever, and it's unwise to let the day arrive unprepared.
or,
The Kocho siblings' and the Tomioka siblings' training arcs, in which things thrive and fester. Final Selection is not long away.
Series
- Part 3 of The Goldfinch
- Language:
- English
- Words:
- 5,002
- Chapters:
- 1/1
- Kudos:
- 9
- Hits:
- 101
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little bunny, why are your eyes so red? by revanmooo
Fandoms: 鬼滅の刃 | Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
18 Oct 2025
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Summary
Onii-chan? he thought. Something you call your older brother. The familiar girl tried to help him up, ushering him from where he was laying down in the cold snow in front of the doorway and inside the small home where the sickly sweet smell was stronger. The girl paled as soon as she opened the dilapidated door, but she steeled herself and guided him inside, and it was then that he saw it, the carnage that was inside of what used to be a quaint little home. Corpses of people strewn about carelessly, their blood seeping through the tatami floor— Mom, Takeo, Hanako, Shigeru, Rokuta — seemingly against his will, his knees crumpled down onto the floor, tears filling his eyes as his throat let out the most agonizing sound…
And it all came rushing back.
His name was Kamado Tanjirou.
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A (Mostly) Tanjirou-centric Role Reversal AU. Where Tanjirou never stops being an older brother, despite becoming a demon.Warning: Manga Spoilers. UPDATES TUESDAYS PST. Currently on: Infinity Train Arc.
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Love Is What Teaches Us to Fear by kenjimoon
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
18 Oct 2025
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Summary
They were never meant to move in harmony — the Wind and the Water, two forces carved from opposite tempests, always cutting against each other, always colliding.
Yet when the calm is broken by whispers of an Upper Moon and the two are forced to fight side by side, the distance between them begins to shift. What starts as friction becomes something far more dangerous — a quiet gravity neither can resist.
Every word unsaid hangs heavier between them: the things Sanemi refuses to feel, the things Giyuu has already accepted. And when the blood begins to spill, it isn’t just the demons that test their strength — it’s the fear that love itself could be their undoing.
Because to love someone in their world means learning to bleed for them, to risk the only thing they swore they’d never lose. And for Sanemi Shinazugawa, that fear might be the one battle he can’t win.
Series
- Part 1 of Demon Slayer | Sanegiyuu stories
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Something About Nezuko Kamado by apiphobiaaaa
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
17 Oct 2025
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Summary
After a series of coincidences leads her to taking on the taxing job of selling charcoal in town, Nezuko Kamado returns home to find her entire family dead. Only her older brother Tanjiro has survived— but he's changed.
Series
- Part 1 of Storm Girl and Corpse Brother
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Found Family by Anonymous
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
14 Oct 2025
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Summary
"This world is cruel." That's what Izuku Midoriya learned when his mother was killed by a demon.
"This world is still so beautiful." That's what the Kamado family taught him when they took him in.
Only for him to learn cruelty again.
A Demon Slayer X My Hero Academia crossover
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Trials of Water and Flame by Karasukuma
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
14 Oct 2025
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Summary
There is a list of things that are the same, yet different with this new life of his. His favorite food is salmon daikon, but at the same time he likes cold soba too. It seems that his iconic half-and-half style reincarnated with him as well, as it is apparent with his quirk and physical appearance. The changes were subtle and gradual. However, he was still Todoroki Shoto, but at the same time he was mostly Tomioka Giyuu. The Water Hashira.
(Or, where Tomioka Giyuu reincarnates into Todoroki Shoto.)
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Ever Fragnant in Midwinter by Alien_Mathilda
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
14 Oct 2025
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Summary
What if: Ume died immediately after being burned alive and Gyutaro became the sole Upper Moon Six demon himself. Human Ume reincarnated as Ayane Shabana in MHA but the world again isn’t kind to her.
Ume died, she was sure of it. Died with her feet and hands bound with a piece of scratchy rope, with orange blazing flames consuming her flesh and burning her skin. Her screams from pain and constant weeping for her brother to save her from death echoed across the street. But no one came to help her.
Not that Ume was surprised – this cruel and filthy world didn’t have an inch of kindness nor sympathy for her and her brother.
When the pain finally stopped and her vision blackened, she closed her eyes…only to awaken once more in a new strange world?!
Ume might be dead but Ayane is not. She’s breathing, with her heart beating and blood coursing through her veins. Ume will make sure that she’ll survive, no matter how hard it's going to be. Because the world is cruel towards those who are abandoned and innocent. -
The Demon King Crafted from Sunbeams by Passing_Ghost_Friend
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
13 Oct 2025
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Summary
When Kamado Tanjiro goes out to sell coal for his family, he does not return. And a harsh winter storm blocks the family from going out to check on him.
Tomioka Giyuu arrives late to the mountain with his sword ready to destroy any demons. Yet what he finds is neither human or anything like the demons he has encountered before.
This presence feels heavier yet he can’t detect any murderous intent or smell of blood on him.
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AKA The AU where Muzan messes up and makes Tanjiro a demon king and his worst nightmare.
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Summary
In a cosmos where time and memory blur,
Three black holes yearn to alter the future's stir,
Unions of Keyblade Wielders forge ahead,
Through realms unseen, where few dare to tread,
Their keys unlock mysteries, old and untold,
Each twist in their journey daringly bold.But what of redemption for the starry sky?
Its cosmic lament, an unanswered 'why?'
In their quest, the paradoxical wielders may yet find,
A second chance for constellations misaligned.Eclipses falter, suns cease their descent,
As darkness meets light, a universe unbent.
With Sealed Memories and Apostles filling the void,
The edge of paradox is keenly deployed.Series
- Part 2 of Kingdom Hearts: Echoplex [Series]
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Wands are Cool, but Swords are Better by LittleBlueButterfly
Fandoms: Harry Potter - J. K. Rowling, 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
12 Oct 2025
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Summary
While investigating the happenings at Hogwarts, Ron, Harry, Draco, and Luna find themselves pursued and inevitably cornered by a creature bent on their destruction. Luckily, it turns out that their dead end has more life to it than they first thought, however, monsters just as dangerous might await them on the other side.
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Born in Another Time in a Body thats not Mine by Creak_MannWrites
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
08 Oct 2025
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Summary
A pair of wide, teary red eyes meet you. And one of the happiest expressions you've ever seen greets you. Pearly white teeth in an impossibly bright smile blinds you.
But a big giveaway, and a sudden wave of familiarity smashes right into your face you swear you would have felt the impact, is a faint birthmark on the top left of his forehead.
Ionic hanafuda earrings swing from his ears that reminds you of a certain green-checkered-mark wearing boy with similar flaming coloured hair.
But his face doesn’t have that familiar gauntness he's known for in the show, nor does he look ill at all. In fact, he looks so much like Tanjiro it hurts
" Welcome little Yoriichi, your mother and I am so glad to finally meet you."
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Hello! this is my first story being published here. This is a reader insert story living in the body of Yoriichi in the world of My Hero Academia. Starting before the main events of MHA happen, and will have elements from both shows present. But mainly set in the MHA world!
Updates will be on Saturdays 05:00pm PST!
I do not own the rights to My Hero Academia or Demon Slayer. All copyrights are owned by their respected creators and publishers.
Series
- Part 1 of A crossover between Two or More Worlds
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𝒰𝓃𝒸𝑜𝓃𝒹𝒾𝓉𝒾𝑜𝓃𝒶𝓁 𝐿𝑜𝓋𝑒 by HayleyLuna
Fandoms: Hunter X Hunter, 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
06 Oct 2025
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"I love my little brother more than words can describe, if you have any ill intentions towards him, I will make you crawl on your knees to me...begging for death"
Gon's older sister Mitsuri is away protecting people From the creatures of the night, as a hashira, she has developed a great sense of protectiveness for weaker people.
After all her duties lie in protecting the weak.
Above all though, she loves her brother the most and feels overprotective.
When she hears that Gon will join the hunter exam, Mitsuri almost had a heart attack. She decided that he can't go alone.