1 - 20 of 12,113 Works in Alternate Universe - Merpeople
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now we're dancing in the dark deep sea by sunshineofrebellion
Fandoms: KPop Demon Hunters (2025)
23 Oct 2025
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Summary
For every free diver, there's one simple rule you should always follow: Never go alone, and always have one trained diver buddy to go with you.
It doesn't matter how skilled you are or how long you can hold your breath, or even what your deepest dive is, everyone is inevitably human and terribly, terrifyingly fragile at just the right push at the wrong time.
Baby doesn't care. He does it alone and manages to reach past 21 meters deep.
It's a new personal best, and it may very well be his last.
- Language:
- English
- Words:
- 3,000
- Chapters:
- 1/?
- Hits:
- 0
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Summary
After moving to a secluded village in Namhae, Gihun thought he would finally find peace, away from a past full of regrets, but the strange stories that every single villager shares about sea monsters raise more questions than answers. However, when he is faced with the very thing he laughed at, the whole foundation of his beliefs crumbles before him.
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A Storm Of Magic And Love by Ohio_uwu
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
23 Oct 2025
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Summary
Leaving your home and becoming a pirate is something done too many times. But Tsukasa is Tsukasa, he's not like the other pirates! He's the future star of the seas, accompanied by... well, the most unexpected crew. A loud captain, a genius strategist who’s also a powerful sea mage, a siren and a rebellious princess together looking for treasures? Why not?
Right now, it says 8 chapters - but it might be more in the future!
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Looks Like the Boy's Too Shy by P_Artsypants
Fandoms: How to Train Your Dragon (Animated Movies), DreamWorks Dragons (Cartoon)
23 Oct 2025
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Astrid Hofferson didn’t care about boys or falling in love. She was training to be the best warrior on Berk.
That all changed when she chanced upon Hiccup, a merman basking in the sun on her favorite beach.
They both found it startling how quickly love found them after that.An archive of a roleplay thread with DragonMasterHiccup on Tumblr.
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Here there be Mermaids by orphan_account
Fandoms: 終わりのセラフ | Owari no Seraph | Seraph of the End (Anime & Manga)
24 Oct 2025
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Summary
A mermaid AU where Mika is a lost sailor, and Krul is the mermaid that saved him. Lots of angst for a missing Mika.
- Language:
- English
- Words:
- 1,242
- Chapters:
- 1/1
- Hits:
- 8
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Summary
Too many ideas in my head so I’m going to compile all the ones I feel possible to create a full story for in hopes it’ll help spread the ideas and let me focus on my current working fics.
Series
- Part 1 of Ideas and Their Fics
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Merformers: Friends from the Waves by RadioWave89
Fandoms: Transformers: Prime, The Transformers (IDW Generation One), Transformers - All Media Types
23 Oct 2025
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Summary
Transformers Prime AU where a human finds the mer who saved her when she was little. Will be some (a lot of) characters from IDW
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An Abundance of Beginnings by By_And_By
Fandoms: Mad Max Series (Movies), Furiosa: A Mad Max Saga, The Queen's Gambit (TV)
23 Oct 2025
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Summary
“And I’d choose you; in a hundred lifetimes, in a hundred worlds, in any version of reality, I’d find you and I’d choose you.” - Kiersten White, The Chaos of Stars
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A series of AU one-shots of FuryJack first meetings. Some long, some short, some meet-cutes, some meet-uglies, some "true" one-shots, and some previews for longer works I have in progress. Tags/Rating will be updated as needed.
Come on this journey through worlds...
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Whumptober 2025 by Creatively_Written
Fandoms: Transformers - All Media Types, Transformers Generation One, Transformers One (2024), Transformers Animated (2007)
22 Oct 2025
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Summary
It's that time of year again! Time for Whumptober!
Our first story: Iacon and the high guard have reached a peace agreement, for the Quintesson threat still looms. Optimus and Megatron need to get ready for the ceremony.
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My Masterful Manipulation of Monsters by GoblinModeShrew
Fandoms: Call of Duty (Video Games)
22 Oct 2025
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Summary
You were kicked out of your den near the surface. Desperate for shelter, you travel to the depths to see if you can find a territory of your own. A giant squid mer notices you, and instead of choosing to make you his next little snack, invites you into his den. Determined to keep your place by König's side, you endeavour to make König your mate.
Made for Mermay 2025, not posted until now because I'm a loser.
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A month of smut and things that can be smut if you're built a certain way.
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“What the hell was that?” SuoWei stood there for a moment, trying to find his footing on the wet floor boards of the deck. A loud thud was heard, and a deep groan following behind it.
The confusion on SuoWei’s face was clear as day. He held onto the metal framing as he walked out to the ship's front deck. To say he was speechless at the sight would be an understatement. There, on the deck of his ship was what could only be described as a merman.
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on the seashore by psychoguava for cfmara
Fandoms: 데뷔 못 하면 죽는 병 걸림 - 백덕수 | Debut or Die - Baek Deoksoo
22 Oct 2025
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Summary
“Um, hello? Nice to meet you…?” the man tries, rubbing the back of his neck a little awkwardly.
Then, under his breath: “Wait. He kinda looks like a foreigner. But are there even mermaid foreigners? Or are all mermaids foreigners?”
The words tumble out so fast Seon Ahyeon doesn’t have time to react.
Seon Ahyeon meets a human for the first time.
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Keith runs into a stranger during his nightly strolls around the village, avoiding things in his life that was dragging him down. As they fall to the floor in a pile of gangly limbs, Keith nearly snaps at the clumsy person but stops himself when he sees the bluest eyes, as blue as the ocean he loved so much.
Series
- Part 3 of My Fics for Klalendar Event 2026
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Dragon!Neroon, Merperson Delenn, and other little ficlets
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Don’t Forget To Stuff Me by Saberteeth_claws
Fandoms: Transformers - All Media Types, Transformers: Prime
22 Oct 2025
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Summary
Theoretically, it’s entirely possible to cross breed with similar Cybertronian subsections. In practice, it remains to be seen.
Tf Kinktober Day 22Series
- Part 6 of TF Kinktober 2025
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Kinktober 2025–Android Edition Part 5 by Android_Witch, Anno_445, biretto, Kougayon, SakuraAlexia, YuNKiimia0
Fandoms: NieR: Automata (Video Game), NieR: Automata Ver1.1a (Anime)
22 Oct 2025
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Summary
A collection of short drabbles for various kinktober prompts, featuring our two favorite androids!
…*Again.*
…But this time, the theme is AUs!
Series
- Part 5 of Kinktober
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Kinktober/Goretober 2025 by WiresCrossed
Fandoms: The Mandalorian (TV), Star Wars - All Media Types, Clair Obscur: Expedition 33 (Video Game)
22 Oct 2025
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This will mostly, if not entirely, be the kinktober prompts from @deaddovekink
Aiming to keep them all under 1k and will be adding tags as they pop up. Happy kinktober, everyone <3
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Double Or Nothing by KandiSheek
Fandoms: Marvel Cinematic Universe, The Avengers (Marvel Movies)
21 Oct 2025
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Summary
Being a descendant of shark mermen comes with some physical... endowments for Steve. Namely, two penises. And Bucky is more than happy to worship them.
Series
- Part 21 of Kinktober 2025
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Eight Arms, Three Hearts by PulcinellaSurprise (PulcinellaSecret)
Fandoms: 龍が如く | Ryuu ga Gotoku | Yakuza (Video Games)
21 Oct 2025
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Summary
His mind wandered as he scanned over the house, down the beach and out to the ocean. The world felt so still after a storm. Just him and the great blue expanse and the orange glint of a setting sun. He inhaled another deep breath of the sea breeze, before something in the corner of his vision stopped it in his lungs.
There, down on the rocks. Hidden from view of the beach, but visible to him from his perch.
There was a body.
The unmistakable pale shape of a torso lay against the rocks. Kiryu's heart shot up into his throat.
It wasn't moving.
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Living on the Okinawan coastline with his adopted daughter, Kazuma Kiryu is trying to move on from his criminal life and the events of the previous year that brought them together. Their life is finally on the verge of seeming almost normal.
And then a creature straight out of myth crashes into the rocks outside their house and straight into Kiryu's heart.