s3x3ly
Fandoms
Recent works
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❤︎ Heartbeats & Hashira ❤︎ by s3x3ly
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
20 Jan 2026
Tags
Summary
These are a collection of one-shots based on requests I’ve received on Tumblr! I had so much fun writing them, and I hope you all enjoy them just as much as I did! ♡
🍯 ❥ Fluff chapters
🕯️ ❥ Smut chaptersSeries
- Part 2 of Request One-Shots
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❤︎ Any Time, Any Place ❤︎ by s3x3ly
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
09 Jan 2026
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Summary
The taboo remained, outdated and weightless.
How did one do something no one ever spoke of?
“Do you think kissing would help?” Mitsuri asked.
OR
Caught in simultaneous heat, Mitsuri and Fem!Reader seek solace in each other ᯓ★
Series
- Part 8 of Kimetsu Smut AU
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❤︎ What You Need ❤︎ by s3x3ly
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
08 Jan 2026
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Summary
Sanemi’s hands framed her face with surprising gentleness, lifting long enough to kiss her cheek.
“I need you to cum a little harder,” he breathed, his voice barely there against her skin. “Just for me.”
OR
Sanemi and Giyuu get competitive over making Fem!Reader cum ᯓ★
Series
- Part 7 of Kimetsu Smut AU
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❤︎ Kimetsu High-school AU: Headcanons ❤︎ by s3x3ly
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
29 Dec 2025
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Summary
This is the universe where most of my high-school fics take place !! Just a handful of headcanons !! If you ever want to ask anything, request something specific, or add more information, please feel free to tell me, I don’t bite ♡ Lowkey reader x anyone if you squint hard enough.
Series
- Part 1 of Kimetsu Highschool AU
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❤︎ No Strings Attached ❤︎ by s3x3ly
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
13 Dec 2025
Tags
Summary
What happens when two people who can’t stand each other keep getting thrown together by a mutual friend? When both are hiding unrequited crushes and a storm of pent-up tension? When the lines between anger, want, and need start to blur? The messiest situationship ever, that’s what.
Series
- Part 1 of Sanemi Centered AU
Recent series
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Kimetsu Smut AU by s3x3ly
Fandom: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
09 Jan 2026
- Words:
- 40,753
- Works:
- 8
- Bookmarks:
- 5
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Request One-Shots by s3x3ly
Fandom: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
20 Jan 2026
- Words:
- 34,278
- Works:
- 2
- Bookmarks:
- 1
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Kimetsu Taisho AU by s3x3ly
Fandom: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
07 Dec 2025
- Words:
- 84,640
- Works:
- 23
- Bookmarks:
- 1
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Sanemi Centered AU by s3x3ly
Fandom: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
13 Dec 2025
- Words:
- 27,029
- Works:
- 1
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Tomioka Centered AU by s3x3ly
Fandom: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
07 Dec 2025
- Words:
- 15,101
- Works:
- 1