Best One-Shot DouAka Fanfics
DouAka one-shots under 10k words — a complete read in one sitting. All curated from AO3 and ranked by kudos.
Top 14 One-Shot DouAka Fanfics
Ranked by AO3 kudos. Mid-length DouAka fics — short stories under 10,000 words.
"I'm supposed to hate you.."
by cathexis1313
Akaza and Douma got sent on a mission together, but unfortunately to Akaza's surprise he goes into heat during the mission.
KNY OneShots
by DusktillDawn_T3T
Demons and Slayers and their shenanigans 🧡🧡 Ideas/suggestions for writing would be appreciated!This contains the Taisho era and modern au oneshots of Kimetsu No Yaiba. Have fun reading! Irregular updates, but if there's a requested one, then I will prioritise it!!
Akaza Needs An Heir
by KNY_EnzanLover
Started: 12/8/25Last Written: 6/28/26 Doma attempts to seduce Akaza. Akaza decides it’s (unfortunately) the best opportunity to fulfill Muzan’s orders, & plays along.
狛/猗右向混邪脑洞
by Rati0_mommy
由于本人是个混邪杂食只是想搞小狛小猗，所以里面可能出现包括但不限于BG的内容，也没有节操，洁癖勿入 每一章标题和summary会大致标注里面有什么内容，可以自选观看 1.恋狛+炼猗窝，含有微量双子水仙2.千猗窝3.童猗窝+黑猗窝（未完）4.恋狛+炼猗窝 想到哪儿写到哪儿，没人给我钱我爱写啥写啥，手机备忘录打的也没时间捉虫，不想看请划走如果喜欢请一定给我反馈→kudos和comments都可以，这是我继续的动力
The Green Kimono
by tamamohitomi
No summary provided.
STUPID HEADCANONS!!!
by headlesshumanoid2457
stupid headcanons of the upper ranks + the pillars. *3 headcanons per character.
Mostly nsfw oneshots 👅
by Toestubber
Btw I'm still experimenting with adding multiple chapters so I might mess up. Also I might not post regularly rn bc I'm really burnt out from PHP/IOP. Requests are open rn!
【童猗窝】柠檬冰酒之夜（黑道pa，8500+）
by Cubeee
童磨深入敌阵营救醉倒的挚友猗窝座，帮他摆脱坏男人的欺骗，一夜好眠后，他们会分享一桶美味冰淇淋……如果你相信。
【童猗窝】被老板撞见法同事怎么办
by qianxiaweiyang
No summary provided.
We both fuck(ing hate) eachother
by Gach4_Pug
AU;Hashira Akaza meets Demon Douma who tries to fuck him into becoming a demon
【童猗窝】饥饿的鬼
by Umiowo
文中包含童磨吃掉人类时期猗窝座的描写 仅限能接受血腥描写、黑暗世界观的读者阅读
【无惨黑/童猗窝/谢花骨】别谈了行吗到底要谈几个啊？！
by qianxiaweiyang
No summary provided.
Same War, Different Worlds
by WynterRaptor
Kleopatra Tenshi is a Shape Shifter, the last of her kind living in the Taisho era, Japan, when Demons are wandering and killing innocent people. She was on her own until she got picked up by the Demon Slayer Corps, now she was helping them, becoming the Prehistoric Hashira. But something happens to
Should I do This? || Doukaza ||
by brookiebee87
No summary provided.
Find More One-Shot DouAka Fics on AO3
AO3's filter sidebar lets you set a custom word-count range. Browse short stories under 10,000 words DouAka works sorted by kudos. Then read offline with Fanfict Reader.
Why Read One-Shot DouAka Fics?
One-shot DouAka fanfics — anything under 10,000 words — are the format of choice for sharp emotional payoffs, single-scene character studies, smutty interludes, and tropes that don't need a full arc to land. You finish them in one sitting.
Ideal for a commute, a lunch break, or right before bed when you don't want to start a 200,000-word fic at 11pm.
About This List
This list of 14one-shot DouAka fanfics spans 58,760 total words. Kudos range from 2 on the newest entries to 34 on the most established. Most entries are ongoing works, so subscribe on AO3 for update notifications. The most common rating is Explicit (5 of 14 fics).
Recurring tags across this list: Bottom Akaza | Hakuji (Kimetsu no Yaiba) · Top Douma (Kimetsu no Yaiba) · Fluff.
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