Flufftober 2025: Demon Slayer
Series Metadata
Listing Series
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Anniversary by spider_lillium
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
01 Oct 2025
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Summary
Genya wakes up a very sleepy Mui to go get pancakes on the day of their anniversary. Unfortunately, Mui forgot it’s their anniversary, but it doesn’t matter because Genya will always remember it for him.
Series
- Part 1 of Flufftober 2025: Demon Slayer
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Pet Sitting by spider_lillium
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
04 Oct 2025
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Summary
Giyu is convinced by Shinobu to try out pet sitting for the Shinazugawa family. He arrives at their apartment to get a preliminary look at his job, and ends up bonding with the younger Shinazugawa siblings, their dog, and lastly Sanemi.
Series
- Part 2 of Flufftober 2025: Demon Slayer
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In Vino Veritas by spider_lillium
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
Shinobu convinces Giyu to drink some sake as payment to her bailing him out of Uzui’s party. Unfortunately, he’s a complete lightweight.
Series
- Part 3 of Flufftober 2025: Demon Slayer
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Set in Another Time by spider_lillium
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
06 Oct 2025
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Summary
Obanai is a war veteran in a world where all monsters are human, and he can’t sleep after waking up from a nightmare. Mitsuri goes to comfort him, and they watch the sunrise together.
Series
- Part 4 of Flufftober 2025: Demon Slayer
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Early Morning Walks by spider_lillium
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
09 Oct 2025
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Summary
Tanjiro wakes up his sleepy boyfriend and convinces him to walk over to that duck pond behind the house.
Series
- Part 5 of Flufftober 2025: Demon Slayer
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Late Night Talks by spider_lillium
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
11 Oct 2025
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Summary
It’s a couple months into the Hashira Training Arc. Tonight, neither Kagaya nor Amane can sleep. Instead, Kagaya asks his wife about her favorite legend, and they talk for longer than he’s talked in weeks.
Series
- Part 6 of Flufftober 2025: Demon Slayer
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Moving Day by spider_lillium
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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Summary
It’s been four weeks since his retirement, and Tengen’s finally moving out of the Sound Estate with his wives.
Note: please do not read if you dislike slow, slice of life fics!
Series
- Part 7 of Flufftober 2025: Demon Slayer
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Cursed by spider_lillium
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
Aoi leaves for a few days, leaving Inosuke in the house all by himself. By the time she comes back, what could possibly have gone wrong?
Series
- Part 8 of Flufftober 2025: Demon Slayer
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Coming Home by spider_lillium
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
Giyu finally gets to see Kyojuro after weeks of being away from each other, but unfortunately, Kyojuro’s been delayed. When he gets home at last, fluff and cuddles ensue.
Series
- Part 9 of Flufftober 2025: Demon Slayer