1 - 20 of 62 Works in Post-Infinity Castle Arc (Kimetsu no Yaiba)
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horrors accumulate by Anonymous
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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Summary
Koyuki's plea doesn't work. Akaza kills Giyuu, then Tanjirou, then reaps Muzan's reward.
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Mist in Bloom by Iridesza
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
In a post-Infinity Castle world where Muzan is dead, demons no longer prowl the earth and the Demon Slayer Corps is rendered obsolete, Muichiro, Giyu, and Sanemi are the only surviving Hashira. Broken, exhausted, and shouldering grief far too heavy for his age, Muichiro's body and mind begin to splinter. Giyu and Sanemi, with shaking hands but steady hearts, vow to look after him — to never let him feel alone again. In the process, they discover that helping Muichiro heal may be the very thing that allows them to begin healing too.
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To Be Human by ScriptedSecrets
Fandoms: 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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“Hey, look at me, look at me!” Sanemi calls, firmly yet carefully clasping his hands to the sides of your face, begging your wavering attention to find focus within his resolve.
Tears leak from your eyes, your gaze fluttering to the walls around you, finding focus on the body of a bloodied slayer splayed across the ground.
“Hey!” You hear Sanemi’s brash call, his hands closing on your cheeks, softly shaking you back into the present. Your mind is still dazed with grief.
“Focus!” He pleads, “When you’re here you can’t do this, you’re gonna get yourself killed, you hear me?” He screams, desperation leaking from his solid stupor.
“Caring makes you weak,” Sanemi scolds, snapping your wide-eyed gaze to him, but before you can even think to respond, the shrill cries of a crow break through the stillness of the ringing of your ears.
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One night will end it all. As the soul heir to an upper-rank demon, this one night will determine how your fate will be sealed.Will Sanemi have to carry your corpse from the confines of the Infinity Castle? Or worse, Will Sanemi's last words to you be the same of a demon?
Series
- Part 1 of To Be Human
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The Ones We love by kingyohno
Fandoms: 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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"My dear Telemachus, / The Trojan War is over now; / I don't recall who won it."
[Cicadas always seem to act as the perfect chorus to any tragedy; singing out so loudly it hurts your ears, but you miss the sound once it's gone.]
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You're In The Wind, I'm In The Water by Fepxppy
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
12 Oct 2025
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Summary
Sanemi and Giyuu are the only two remaining hashira after the final war. With the help of mutual friend Uzui Tengen, they form an unlikely friendship. Their relationship grows as they try and make the most of the time they have left.
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Summary
fic about obamitsu in an alternate universe where all of the hashiras survived and now live a normal life.
Obanai and Mitsuri ,both have feelings that they hide from each other due to insecurities and unsurness,but as time passes they get closer.
their story unravels into a breathtakingly admirable relationship between them
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No major plot. -
All the words I couldn't share before. by Klement1ne
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
07 Oct 2025
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Muzan had died, but so did something in Giyus heart. Every night, he is taken to the same dream, recalling the last real conversation he had with Kochou Shinobu, and all the feelings he concealed from her, and the regret will follow him till his final breath.
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Forgiveness by s0me0ne_l0st
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
30 Sep 2025
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Summary
Im feeling down so I decided to make it worse with Muzan x reader angst after re-reading his death.
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Where Wisteria Grows by dontleavemehanging
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
21 Sep 2025
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Summary
Douma and Shinobu met in the afterlife
- Language:
- English
- Words:
- 1,178
- Chapters:
- 1/1
- Kudos:
- 25
- Hits:
- 188
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We Will Fight by CatMomma05
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
20 Sep 2025
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Summary
Sanemi just wants his family to have some peace for once.
Updated at Random
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wisteria blooms by snowwayowl
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
18 Sep 2025
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Summary
Giyuu Tomioka hadn’t stepped foot in the Butterfly Estate in almost two years.
And yet, with the earnest look in Tanjirou's eyes and two bowls of soba between them, he didn't hesitate.
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a post-infinity castle short story. contains infinity castle arc spoilers!
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An Elegy for Wind and Water by superkawaiifreak
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
14 Sep 2025
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Summary
At Uzui's urging, Sanemi and Giyuu meet for the first time since the showdown at the Infinity Castle. Their lives have changed dramatically - what is a swordsman in a world that no longer needs them?
Seven years. So much time has passed since then.
Angst/Drama. Post-Muzan.
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Volatility and Stability by snow_soul
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
09 Sep 2025
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Summary
After the victorious do-or-die battle against Muzan and his remaining Kizukis, Giyuu attempts to take his relationship with Shinobu to the next level.
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"the quiet after a storm." by bazingity
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
06 Sep 2025
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Summary
After the final battle against Muzan, Kaien loses his younger sister Raika—a death he blames on his own hesitation. Though the world celebrates peace, Kaien is consumed by guilt and grief, feeling his purpose die with her. A year later, he isolates himself, visiting Raika’s grave more than the living. But his grief twists into something darker: he begins hearing her voice, first as faint whispers, then as commands only he can hear. As his hallucinations grow stronger, Kaien becomes erratic and unstable, openly arguing with Raika’s ghost in front of others. What once fueled his strength—the bond with his sister—becomes the very thing unraveling his sanity.
- Language:
- English
- Words:
- 823
- Chapters:
- 1/5
- Hits:
- 9
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Summary
Sanemi and Giyu fold origami paper cranes together.
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Kokuzan Oneshots :) by M0ON13
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
21 Aug 2025
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Summary
This is my first time posting on this site; I usually post on Wattpad.com and have done so for a while. I'm still getting used to everything, so sorry if it's not up to your standards!
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my way of life by astrobabeyyy
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
tomioka giyuu copes with his lover's death.
Series
- Part 3 of demon slayer fics
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Feather on the Clyde by Formidophobia
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
03 Aug 2025
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Summary
He and Uzui certainly weren't close enough for his family household to be the first place Giyuu could think to go when he couldn't force himself to come down from the adrenaline and emotional shock, but if he was honest, there was nobody else left. So he found himself standing in the built man's bathhouse, covered in blood that was only mostly his own, hardly able to keep himself upright.
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Giyuu needs somebody after all he's lost, and Tengen is happy to fill the void in whatever way he can.My first AO3 Fic! I struggle to keep a schedule so this will be updated sporadically but this is my personal little self indulgent headcanon thing that i'm doing and i have no idea how long it's gonna be. Any comments/kudos are heavily appreciated :)
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A slayer in blue by NAME1USED
Fandoms: Blue Lock (Manga), Blue Lock (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
28 Jul 2025
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What if Isagi was a water-breathing user and trained in it before he joined Blue Lock?
What if the descendants of the other hashiras teach their breathing styles to others?
What if Isagi's family traditions catch up to him while he's in the facility?I'll be editing and adding to the story cuz I feel like things are missing and the chapters seem too short.
Series
- Part 1 of Hidden in plain sight
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Change is a gentle thing. [Oneshot] by jumpyshrimp
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
12 Jul 2025
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Summary
‘Where do we stand?’
A small oneshot where Giyuu learns to accept the small changes in his and Sanemi’s relationship after the battle with Muzan.If this gets enough traction I will be willing to turn this into a full blown fanfic (it will be a slow burn i fear—)