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It's Always a Good Time When There's Watermelon by Golden_AngelWriter
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
21 Feb 2025
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Summary
...this is a true belief by Genya Shinazugawa.
After returning from a mission that he'd had with Tanjirou, Zenitsu, Inosuke, Nezuko, and Kanao - something is slightly off with them. It could be that spending all that time together makes things brighter with Genya having friends. Or it could be that weird tasting drink that the villagers had given them as a thank-you for helping them deal with their problems - a kind, old lady handing it over with a wink.
Either way, Genya is really craving a watermelon.
...
AKA: The squad accidentally gets drunk after a villager gave them an alcoholic drink. Shenanigans ensue.
Bookmarked by BoilingRain
05 Oct 2025
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For Sale: One Little Brother (Lightly Used) by Strawberry_Angel
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
13 Mar 2025
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Summary
“If Shinazugawa does not accept you as his little brother, then I shall!" Rengoku declares, dramatically throwing an arm around Genya’s shoulders. "Come, Genya! You will be my little brother instead!”
Genya flounders, heat creeping up his neck. “That’s not—”
Before he can even process what’s happening, Kocho is stepping into the conversation, smiling in that unreadable way of hers.
“If Genya is looking for a new sibling, I think I would be a much better choice," she says, pressing a finger to her cheek. “Though I must warn you, there are only women in my family.”
Genya chokes.
~~~
OR: The Hashira fight over who gets to be Genya's big sibling.
Bookmarked by BoilingRain
05 Oct 2025
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What Do You Mean he's a Baby?! by Nightfire1023
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
19 Sep 2025
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Summary
Giyuu gets hit with a Demon Blood Art and is now a baby. The other Hashira are not prepared to deal with it as they try to figure out how to reverse it.
and inadvertently learn more about their Stoic colleague.
~~~~~~
This is a progressive age story so bare with me at the start here...
Series
- Part 2 of The Flow of Water
- Language:
- English
- Words:
- 44,375
- Chapters:
- 26/26
- Collections:
- 4
- Comments:
- 746
- Kudos:
- 6,414
- Bookmarks:
- 919
- Hits:
- 138,619
Bookmarked by BoilingRain
05 Oct 2025
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Hey, Who’s that? by Nightfire1023
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
20 Jul 2024
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Summary
Basically, the other Hashira try to figure out who Murata actually is to Giyuu as to them, the guy has no personality. Surprise surprise, he has an actual friend... Kinda.
Please check it out.
This is mainly just for my fun as I take Giyuu's survivor guilt and stoic personalty into account as I bring Murata's connection to Giyuu to light earlier then in canon
Series
- Part 1 of The Flow of Water
- Language:
- English
- Words:
- 9,373
- Chapters:
- 6/6
- Collections:
- 2
- Comments:
- 93
- Kudos:
- 3,852
- Bookmarks:
- 534
- Hits:
- 37,457
Bookmarked by BoilingRain
05 Oct 2025
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Summary
Whumptober 2025
“Don't be scared, I've done this before.”
Non-Human Whumper | Iron Rod | Loss of PowersAbaddon gets a not-so-happy reminder of the past when he sees Katherine tending the fire.
Series
Bookmarked by BoilingRain
05 Oct 2025
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Summary
Abaddon applies his former experiences with the inhabitants of the hotel to his experiences with Katherine. He attempts to please her to receive rewards.
Bookmarked by BoilingRain
05 Oct 2025
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It Never Hurts To Ask by Nightfire1023
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
16 Oct 2025
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Summary
It never hurts to Ask you never know what might happen
Or Mitsuri wonders if Tomioka would accept a hug if she asked and now the other Hashira are curious as well, it's all downhill from there.
(this is so not my usual style... but lets have some fun!)
Series
- Part 5 of The Flow of Water
- Language:
- English
- Words:
- 5,838
- Chapters:
- 4/?
- Collections:
- 1
- Comments:
- 147
- Kudos:
- 1,409
- Bookmarks:
- 197
- Hits:
- 14,314
Bookmarked by BoilingRain
04 Oct 2025
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Half Demon Anomaly by Snowcat_showcase
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
06 Sep 2025
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Summary
Genya struggles in the oppressive silence of the forest, consumed by a new-found hunger that gnaws at him from within. His body betrays his torment. Fangs pressing to his lip, claws twitching, eyes blazing unnaturally as veins creep outward as the urge to tear into flesh and blood consumes him. His mind reels between desperate restraint and the overwhelming urge to feed, terrified not of demons, but humans. The forest seems to hold its breath with him, fragile and tense, until he can no longer bear it. So, he runs without a destination, the truth is... He's running from himself. Scared and in denial of the monster he had become.
Bookmarked by BoilingRain
04 Oct 2025
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Summary
Abaddon doesn’t understand human feelings, so when his body begins to randomly freeze up, he thinks Esther has cursed him.
Katherine just wants him to stop messing with the door to the lounge.
Nathan just wants to watch his movie.
AKA: Abaddon doesn’t know how to deal with the after effects of finding Nathan after he… yk.
Series
- Part 1 of Demons Don’t Cry
Bookmarked by BoilingRain
04 Oct 2025
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Summary
After being branded many years ago, Katherine notices a worrying scar.
Series
- Part 3 of family is where the heart is
- Language:
- English
- Words:
- 801
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 13
- Kudos:
- 887
- Bookmarks:
- 59
- Hits:
- 6,283
Bookmarked by BoilingRain
04 Oct 2025
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you've seen me before, you'll see me again by LittleMeowMeowEnjoyer
Fandoms: Haunted Hotel (Cartoon)
01 Oct 2025
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Summary
Abaddon, the Cobra King, Gatekeeper of the Fifth Ring, High Prince of the Black Realm, Angel of the Bottomless Pit, King of the Locusts, Harbinger of Doom, is tired.
It is unusual for him, as he does not sleep.
Series
Bookmarked by BoilingRain
04 Oct 2025
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Summary
Abaddon had relived the beggining of the world countless of times and the way it happened always stayed the same with only some minimal deviations
Untill one timeline suprises him completelyOr
Katherine comes to the hotel much earlier when she was supposed to
Abaddon decides to have some fun with an already odd timelineBookmarked by BoilingRain
04 Oct 2025
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Akaza Fights Humanity by JayBirdJoker
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
23 Dec 2023
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Summary
Akaza's only known the child for a week and a half but if anything were to happen to him he'd kill everyone in the room and then himself.
Or
After stealing a human child from a temple, Akaza is determined to find a new home for him.
But something isn't quite right about the child and finding a human family who will accept him as he is is easier said than done. He would need help adjusting to living among regular humans.
Akaza might have to look within to find his own humanity and do it himself.It's only a matter of time before Muzan puts a stop to his side project and the demon slayers sure as hell aren't making things any easier.
Series
- Part 2 of Akaza Takes Over the World
Bookmarked by BoilingRain
03 Oct 2025
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Once More, With Feeling by JayBirdJoker
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
06 Oct 2023
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Summary
The day Douma dies is the day he feels for the first time.
He’d do it all over again just to feel that emotion.
So he does.
---
Douma is given a second chance at life. In his pursuit to keep the timeline the same as it was before so he could meet Shinobu and feel emotion again, he messes a few things up. Relationships shift, discoveries are made and he might be feelings things he hadn't felt the first time around. But the road taken shouldn't matter too much as long as Shinobu is waiting at the end, right?Series
- Part 1 of Once More, With Feeling
- Language:
- English
- Words:
- 57,004
- Chapters:
- 21/?
- Collections:
- 1
- Comments:
- 317
- Kudos:
- 2,178
- Bookmarks:
- 513
- Hits:
- 45,748
Bookmarked by BoilingRain
03 Oct 2025
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The Hashira React by CurlyandNerdy
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
31 Aug 2025
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Summary
Someone isn’t happy about the fate of the Hashira. And so they seek to change it, by bringing the Hashira together to watch their future, in hopes that things will change.
Basically just your standard watching the show fic!
- Language:
- English
- Words:
- 65,576
- Chapters:
- 18/?
- Comments:
- 914
- Kudos:
- 1,734
- Bookmarks:
- 600
- Hits:
- 90,951
Bookmarked by BoilingRain
03 Oct 2025
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The Adventures of Kamaboko Squad by RexFrenchBulldog812
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
30 Oct 2025
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Summary
What if Tanjiro met Zenitsu, Inosuke, Genya and Kanao at the Final Selection? How will it change the story? This fanfic is all about their friendship and how a meet up changed the course of the original Demon Slayer Canon.
But, first few chapters are pretty bad in my opinion, but if you manage to stick through! I hope you’ll see my improvements in writing!
Currently on Hashira Training Arc
Bookmarked by BoilingRain
01 Oct 2025
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Alone in the Night by TeaPartyCannon
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
24 Oct 2025
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Summary
Kokushibo knew it would be easier to just turn the boy into a demon now. He had already lost his family, his memory, and even his own identity; there was nothing more that becoming a demon could take from him. But Kokushibo’s theory was that only a human who was trained in the art of Breathing could become a demon capable of Breathing, and the boy was still so far from his peak of strength and maturity. Until the time was right, he would have to remain human.
But it had been almost four hundred years since Kokushibo had last cared for a human child. Since he’d been anything close to a father. And it was very, very apparent just how out of practice he was…
--
One fateful night, an injured Muichiro on the brink of death is found not by Amane and the Demon Slayer Corps, but by the Upper Moon One, Kokushibo. This changes everything.
Bookmarked by BoilingRain
30 Sep 2025
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Summary
Tanjirou, a normally very friendly and open merfolk, starts behaving strangely in the middle of winter so Kanae wants to figure out why.
Series
- Part 1 of KnY Mermaid Rehab AU
Bookmarked by BoilingRain
28 Sep 2025
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Baby brother?! BABY??? by Whywhywhywhywhywhy
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
05 Oct 2025
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Summary
"Oh, I apologize. I was under the pretense your grandpa had informed you of what happened to your brother. Terribly sorry, see, while on a mission he had…"
"-It was adorable at first but they would be such a hassle and my girls can't take care of them-"
"-we first contacted your grandpa but we were told his leg couldn't make the journey but luckily he has you!"or
Kaigaku is becoming a better brother(he doesn't know it yet but he is one) even if he's getting dragged kicking and screaming.
Another alternative: Zenitsu has turned into a baby and now kaigaku has to care for himBookmarked by BoilingRain
28 Sep 2025
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Hinokami's Future by fallingakiangels
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
09 Aug 2025
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Summary
Tanjirou and a couple of other people are transported to a mansion where they cannot escape. The only way is to watch his story, as the future and everything they know as truth unravels.
or: Demon Slayer characters react to the future.
Series
- Part 1 of SIMULTANEITY
- Language:
- English
- Words:
- 123,054
- Chapters:
- 8/71
- Comments:
- 335
- Kudos:
- 1,752
- Bookmarks:
- 671
- Hits:
- 81,956
Bookmarked by BoilingRain
28 Sep 2025