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Two Worlds Collided & They Could Never Tear Us Apart by Wysteriaz
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
06 Dec 2025
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Summary
You somehow end up lost in Japan, having little to no memory of your life before or any understanding of the land and people here. But you meet extraordinary individuals who, over time, become very important to your new life as you travel and fight together, forming unbreakable bonds.
However, with a centuries-old war between a secret organization and demons waging on, these bonds are put to the test when you find yourself caught in the center of it all.
Status: Work In Progress!
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Void's Inheritance by duhadventure
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Warframe, 原神 | Genshin Impact (Video Game), Hellsing, Durarara!!, ジョジョの奇妙な冒険 | JoJo no Kimyou na Bouken | JoJo's Bizarre Adventure, 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), Metal Gear
05 Dec 2025
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The Tenno. They have been known by many names: Devils, betrayers, abominations of the Void. Their history is one of blood and loss, as is that of all those touched by the Orokin's rule.
But now, the Origin System is gone, destroyed by the ego of a single man, and all but one of the Tenno have perished.Haylee is the last. She made the deal to save as many as she could, and inherited a power she does not want. She, along with several thousand residents of the Origin System find themselves in a new world, with new powers. This is not a universe of constant war, but one of heroes and quirks and with a dark history hiding beneath the surface. It is the opportunity for a second chance in life, if they choose to take it.
Izuku is training to inherit One For All, the quirk of the Number One hero. One day, he finds several strangers struggling on the beach, changing the course of his life forever.OR:
An attempt at a Warframe/MHA crossover fic that spiraled out of control in a fit of sleep deprivation-induced insanity.
This fic is a long one, and covers heavy subjects at times.
Now has a TV Tropes PageSeries
- Part 1 of Dionaea Muscipula Universe
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As The Lightning Strikes by TheAshenOne03
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
05 Dec 2025
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Summary
The Demon Corps had done it-the impossible. The endless war ended with the Demon King's death beneath the piercing rays of the rising sun. Yet victory demanded the ultimate price... none lived to see it.
The nightmare was over.
But not for one man.A swordsman blessed by lightning rose from the ashes. No longer the trembling coward, he vowed to become the wall that would defy time itself-to shield the ones he loved and strike terror into demons like the wrathful thunder of the heavens.
Zenitsu Agatsuma awakens in a world both achingly familiar and impossibly distant. Fate has given him a second chance-or perhaps a cruel jest. Haunted by battles yet to come and faces he could not save, he walks a fragile path where even the smallest change could unravel destiny. And as shadows gather once more, a single question remains: can he rewrite the future, or has fate already chosen his end?
MAJOR SPOILER FOR THE DEMON SLAYER MANGA!!!
READ IT AT YOUR WON RISK!
Disclaimer: I do not own Kimetsu No Yaiba or any of the characters from this story except any OCS that I may create in the future.
Everything in the story belongs to Koyoharu Gotouge.
Author-Sama signing off~~ -
Upstream by 00Cat00
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
04 Dec 2025
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The last thing Giyū saw was the horrible creature known as Muzan crawling away to another part of their quickly crumbling world, taking the hashira who could still fight with him, and the bodies of those who no longer couldn't, behind him. Giyū was the latter, trying to stand up even through the sea of blood at his feet. He was dying.
Why was this happening? Wasn't the slayer mark supposed to boost his survival?
Turns out, it did. Maybe a little too well.
Fate had once again chosen the wrong person to save, Giyū thought, back in his thirteen year old body, staring at his dead childhood friend right in the face. Tanjiro would have been so much better at time travel.
CONTAINS SPOILERS FOR END OF DEMON SLAYER
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Just one last time by Baron_Bunny
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
04 Dec 2025
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(Post final battle arc)
Zenitsu, believing that it is time for him to say goodbye, can't find it in himself to care about the littlest of things like usually would anymore, if it's the last time something like that ever happened. Or should've happened.
And so, for the last time, he spends time with his friends. Or what should've been the last time, anyway.
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New Mission! by Annn909
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
03 Dec 2025
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Oyakata-sama has entrusted Shinobu and Mitsuri with a new mission. Luckily Tanjiro, Inosuke, Zenitsu, and Nezuko will be accompanying them on this new adventure!
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Triada Entrelazada by Choi_Lu
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
03 Dec 2025
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En una linea alterna, Makomo se volvió la pilar del agua; puede que esto no traiga a Giyuu o Sabito de vuelta a la vida, pero al menos sirve para honrar su memoria. En otra linea Sabito dejó vivir a la demonio recién nacida tras ser testigo del valor de su hermano mayor, quizás es que ve un poco de su yo más joven reflejado en él... al menos espera que el chiquillo pueda proteger a su hermana, a diferencia de él, quien falló en salvar a Giyuu durante su selección final. Giyuu no entiende qué está pasando; en un momento se encuentra cortando el cuello de la Quinta Menguante, al otro se ve encarado con dos cazadores que tienen un parecido inquietante con sus amigos muertos.
Traducción al español de la historia "Intertwined Triad"
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Family In the Waterfall -Dad Giyuu- by KomeiTheHoshiko
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
02 Dec 2025
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He didn’t remember when he had gotten close to the kids, it just happened. Suddenly, he was “Giyuu-san” (or the derogatory use of “Dad” or "Mom" used by Inosuke when he says anything parental-like) to a group of teenagers.
He glanced to his left, where Muichiro was staring off into space, walking beside him. He had spent the night at the water estate again, after showing up, dazed and confused, in the rain. Not that Giyuu minded, he had a few Yukatas and such saved, as well as ready room for him, or the other kids, in his home that he had bought after realizing that having Tanjiro meant attracting whoever else was with Tanjiro. He also wondered how Tanjiro had so many friends, and managed to attract them like flies. But he did enjoy having the kids over, they were a lot to deal with, all in all, but they were sort of nice, they made his Estate livelier and just… better.
OR: Giyuu Tomioka slowly finds himself becoming a parent for the kids around him, and they slowly accumulate at his lovely estate hidden behind the waterfall, because I live for found family and them.
Terms for Giyu might differ at times because I needed to have a Genderqueer character)
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The Bond of the Sun and Moon by Eexis, Trickster1
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
02 Dec 2025
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Sibling love. It is a powerful thing within Demon Slayer, and these bonds are rarely pushed to their limit. From the Upper 6 siblings and their unique decapitation rules and the Kamados with the younger sister overcoming her hunger for her older brother. But what about the love of a mother who has forgotten? How does that love fair, especially with a child with a greatly regressed mental state?
Well, I believe that this would answer that question.
Series
- Part 7 of Demon Slayer small stories
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Intertwined Triad by Choi_Lu
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
02 Dec 2025
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Summary
In a different timeline, Makomo became the water Hashira, this won't make Giyuu or Sabito return to life, but at least she can honor their memories. In another timeline Sabito spared the demon girl after witnessing the bravery of her older brother, he sees a little of his younger self in him, at least he hopes the boy can protect his sister, unlike him, who couldn't save Giyuu during the final selection. Giyuu doesn't know what is happening; one moment he's slicing Lower Five's neck, another moment he faces two slayers who hold an uncanny resemblance to his late friends.
Series
- Part 1 of Merging Currents
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Nezuko & Co. by booigi00
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
01 Dec 2025
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Kamado Nezuko went downtown to sell charcoal in her brother's stead, as he had a broken leg.
You can imagine her surprise when she returned home to find her entire family slaughtered, as well as her brother turned into a demon...Or
Nezuko and Tanjiro are swapped, Muzan is a hashira and I pulled an original character from my basement.
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Humans and Demons by SpiraPhantom
Fandoms: ジョジョの奇妙な冒険 | JoJo no Kimyou na Bouken | JoJo's Bizarre Adventure, 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
01 Dec 2025
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In 1917, Jonathan Joestar arrives to Japan, searching for a lost friend who was researching things men were not meant to know. By happenstance, later in 1917, one Kamado Tanjiro loses everything but his sister and sets out to turn her back to normal. Even if two don't cross each other's path immediately, they're destined to meet.
At the same time, in 1917, one Dio Brando also comes to Japan and after checking the surroundings, decides to pick a fight with the so-called Demon King.
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What if Muzan's attack on the Kamado was more devastating, leaving Tanjiro all alone. How will this affect our protagonist? Will Tanjiro manage to endure this new reality, or will despair cause him to fall into a darker path?
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This One Summer by ThatOneFangirl946
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
30 Nov 2025
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Tanjiro signed up for Kimetsu Riding Camp without really knowing what to expect. At most, he'd hoped he'd make a few friends and avoid falling off. Over the course of the summer, between learning how to ride a horse, getting to know his fellow campers, and falling in love, it becomes an experience he’ll never forget.
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Let's Put The Flowers On You by flowersNclits
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
28 Nov 2025
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Summary
Their missions post their demon slayer lives are simple, fulfil their dreams to their hearts content. Each single clap that reverberates throughout the room echoes the same thoughts, all four stand on the elevated ground at their own merit, at their own time, as the rest watch. All peer their vision through the crowd, sensing everything they've been through in a rush of a single moment… not their easy lives as they thought.
A pawn set for flowers, a knight set for rocks, a rook set for entertaining tales, and the king set for the finest gown.
The set of pairs blossom their love in their new change of family in their home.“Lovely, isn’t it?”
The brass pocket watch snapped shut. There was something Tanjiro appreciated as the silence filled the room, a certain tension easing off from his shoulders. Though not by much, he still felt he could finally breathe.
“We’ve come to an agreement. The boar man will take your place to repay for all the damage you caused, half breed.”
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Infinity Castle: Resonance by LeeTheMetalSonic
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
25 Nov 2025
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The events of the Infinity Castle Arc if Tengen Uzui never retired from the position of Hashira. He retained his eye and hand during the battle with Gyutaro.
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Kimetsu No Discord by KazenoKokyu
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
24 Nov 2025
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The beloved characters of Demon Slayer make a Discord server... How will that go?
Warning: Stupid stuff in this fanfiction, and there may be some things people may consider "offensive." But I hope you enjoy this nonetheless.
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Where the Bloodline Ends. by LunarTailz
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
23 Nov 2025
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The past-
What if Nezuko was gone..? What would have Tanjiro done , if he knew that the only family he knew was gone? He remembered that very day...he remembered the odd smell...and the amount of bloodshed...he checked his mother's pulse , his sibling's...and lastly Nezuko , his only very hope...but...they were gone...all of them. He felt a pang of guilt that he should have never felt...and that affected him throughout his new journey...a new path that may be the key of his family's death.
He came across Tomioka , who guided him through a path he could couldn't go back from , and he took that chance , he knew what he was up for , but he didn't want others to fall in the same fate as him.
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No name bc I can’t think of one by Sp1zzl3w1z
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
21 Nov 2025
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Tanjiro needs a summer away, so he applies to be a camp counselor!
Yo idk I’ll come up with a summary once I finish this thing
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Zenitsu's distastrous high-school (and love) life by Baron_Bunny
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
20 Nov 2025
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[Kimetsu Academy-ish AU (with my own twists)]
For the overly emotional and sensitive Zenitsu who absolutely sucks at making friends, going into high-school is possibly one of the scariest things to happen to him. Fortunately, his friends (aka, the kamaboko squad) came to him, instead of him to them, and he has them and his family every step of the way into this unfamiliar territory.
And, for someone as obsessed with love as Zenitsu is, he really is a fool for not being able to see that his two closest friends like him.