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A Diamond in the Heap { Gachiakuta Various x Reader } by MiraculousWonderland
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
07 Jan 2026
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In which, a young sphereite and her younger sibling must navigate and find home in the trash ridden world below them.
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Saving Enjin. (Gachiakuta/Reader) by CannibalCow01
Fandoms: Gachiakuta (Anime), Gachiakuta (Manga)
07 Jan 2026
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It's the Year 4026. Long gone is the world once known. It is now replaced with filtered air, 3D printed structures, and lab made wildlife. The food tastes of artificial flavor and the clothes are made of artificial fibers. But technology has evolved, even if some ways of life have gone backwards.
Y/n is to be married to men she does not know. She does not want this life and she doesn't want these strangers. But it is necessary to keep the peace between Kingdoms.
There has to be more than the covered lands she's known of.. She wants to explore it. The only thing stopping her are the man eating monsters that keep them trapped. But she will soon face them when she escapes safety in search of her favorite knight. (and best "friend" Enjin)
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Falling through your floor and into the world of Gachiakuta is by far, one of the worst ways to end an all-nighter. Not to mention how even after you try and fix things with your limited knowledge, your favorite characters start acting so... weird?
YANDERE!Gachiakuta x Fem! Isekai!Reader
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You have been a cleaner for 2 years now working at cleaner HQ. You've had a crush on your coworker Tamsy Caines for a while now. And one day, when you decided to follow him on his day off, you stumble upon something you really, REALLY shouldn't have. But despite all, your love for him remains, and he decides to use that for his own selfish desires.
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Chance Meetings with the Town Tailor by Ohnohbabywhatisudoin
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
06 Jan 2026
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(TAMSYXFEMREADER)
You are freshly out of a 4 year relationship, moving to a new city where your bestfriend, Riyo, and her fiance, Zanka, live.To get your mind off of things your first night in the City, Riyo takes you out for a night on the town and you meet a golden eyed blonde/blue haired boy that you end up having a one night stand with.
You're convinced you'll never see him again - that is until you go to get your dress tailored for Riyo and Zanka's wedding and he's the town tailor...
... and move in to your new apartment that he also lives at
... and get a job at an art coffee shop that he constantly frequents...Were these just chance meetings? Or something more?
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Tamsy decides that you’re the only person who can take his life.
i.e. Tamsy asks you to kill him while you guys are having sex to know what it’s like to die and be resurrected in the throes of ecstasy.
(He uses his extra life spell)
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"your coffee is going to get cold." true to his word, when you look down, an unflattering cup of black coffee wafts despair and future tax filings up your nose. he laughs when your expression twists into one of displeasure. "still not a fan. got it."
"what are you still doing here?"
he leans against the counter opposite your small island, his own mug in hand. blond lashes flutter for a beat when he doesn't answer. the kettle finally stills to plunge your apartment in the kind of quiet you haven't felt in a long time.
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Being a trader in the Sphere had its highs and lows; you did whatever it took to satisfy the Sphererites as long as the profits were good. Then one day, your father met Caines, a corrupt man seeking power over the Sphere, even using his own son to achieve it. This encounter changed everything you knew, and as fate took an unexpected turn, a new life emerged as you were thrown into the Pit.
You were rescued by a stoic, confident man, joining the Cleaners.
You found salvation in more ways than one, yet you still battled emotions of grief and loss. Love came to you in its various forms: manipulative, toxic, soft, and gentle. It clouded your perception of reality, except for one clear thought.
You had one mission.
You were going to kill Caines.
*CONTAINS SPOILERS FOR MANGA*
crossposted on wattpad & tumblr @ regalrem -
[ Tossed Into Obsession ] Yandere Gachiakuta x Isekaied Reader by TheUnderneath
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
04 Jan 2026
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You thought you landed in a fantasy world— until a glitchy user interface appears before you, informing you about your new Love Meters that you’ll need to fill to get back home. Easy, right? Not when the system rewards jealousy, obsessive protectiveness, and borderline criminal affection. It doesn't help that you need to survive in the world with trash beasts, raiders, and the ever-obsessive cleaners. With the meter climbing from jealousy, clinginess, and fierce devotion, you realize too late that reaching 100% might open the door home… but it might also bind you forever to someone who has no intention of letting you leave.
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Reader wants to understand the love between the sun and the moon.
Series
- Part 2 of Gachiakuta
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(your traitorous heart leads you head first into thoughts of his thumb pulling your lip from the confines of your teeth. ever so gently, running the pad over skin with a look somewhere between exasperation and fondness.
you think too hard, you can hear him say. too much. you'll bite your lip off one day. relax a little, mm?
the phantom touch of his palm gently cupping the side of your face is enough to nearly take you out. rest in peace. death by the overwhelming power of want.)
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Act III: Interests by cherriesandlolitas_4279
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
01 Jan 2026
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Tear me apart.
While you try to get used to your new freedom on the Ground, the impenetrable fog in your mind tortures you. Memories of fire and an angel haunt you, and as you try to clear it, Tamsy is already there to devour you once more.
Welcome to the main event of this series, in which chaos unfolds, tension heightens, and plots are twisting. Ready?
Series
- Part 3 of Contract
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Falling Quietly into Ruin by Livelaughhattori
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
01 Jan 2026
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Gachiakuta x Female Isekai Reader (Reverse Harem)
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After celebrating Amo's new role as a cleaner, you decide to stop by and see how Tamsy is doing.
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Jackpot (Gachiakuta x Nijiku!Reader) by Avery_Ng97
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
31 Dec 2025
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Being born into the Nijiku family, and being blessed to have an enormous anima, you have all the resources you need to keep fighting until your last breathe. After all, nothing you enjoy doing more than having a good fight with strong opponents.
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We Are Trash // Gachiakuta FanFiction by AldaLevina
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
31 Dec 2025
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You fell into a world where everything is nothing but trash, along with the only family you had. Will you try to find a way back or... there's another plan in mind?
⚠Disclaimer: Gachiakuta does not belong to me; it belongs to Kei Urana⚠
⚠ I do not accept requests nor add them in my fanfiction ⚠
⚠ If you stubbornly write your ideas/request on the comments, it will be deleted immediately ⚠ -
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he pulls the door open further and leans against the frame. “are you always this loud in the morning?”
he supposes you’re in a good mood. his shirt hangs low and brushes against your thighs, hair still bundled and tucked into a bonnet that matches the color of your toothbrush. your glasses sit a little crooked on the bridge of your nose. it’s…
he blinks when you just smile at him. “good morning to you, too.”
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A slice of cake and heaven by FancyCassie
Fandoms: Gachiakuta (Anime), Gachiakuta (Manga)
23 Dec 2025
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Working as a bartender on the ground
Came with many quirks,many people came to order beers or just the simple old sake wine to unwind after a tough job or mission.This one was different, it was as if the blonde haired cleaner needed something to get high of tonight.
Or
Tamsy unwinds with you after a plan gone wrong.
! heavy manga spoilers!
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Gachiakuta SFW & NSFW fics by vividly_vermillion
Fandoms: Gachiakuta (Manga), Gachiakuta (Anime)
22 Dec 2025
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A collection of my sfw & nsfw Headcanons and Oneshots from my tumblr @vividly-vermillion
Comments and Feedback are always appreciated ♥️
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A simping idiot who loves art gets sent to the world of Gachiakuta. Too bad they can't understand a word anyone is saying.
This is a Crackfic that I made to try and erase my writing block.