1 - 20 of 41 Works in Genderfluid Frisk (Undertale)
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Summary
The way of a Glutton is a non-canon Reader insert story that takes place in the story of Red Mass, a self AU of Undertale.
You are getting a new job in the City of Paradise, the City of which Sans (Dee) and Frisk built.
Although you want to work in the city laboratory and also fulfill your dream of studying magic, you also get to know more monsters that you have ever seen in your life. And maybe your dorky skeleton boss asks you out on a date?
This story will contain lots of drama, blood and tears.
So be excited for it!
Series
- Part 1 of The Way of a Glutton
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Welcome To The Underground (Season 1) by MyLoveForYourFantasy
Fandoms: Undertale (Video Game), Glitchtale Rewrite
05 Jun 2025
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Hello 👋🏼, & Happy Wednesday Afternoon Everyone, This is gonna be a "Glitchtale Rewrite", with HUGE differences.
This is also heavily inspired by "What is Left Behind" By EmmaSmoke:
https://archive.transformativeworks.org/works/54889081/chapters/139135684&
"Undertale Sevenfold" By Rotengen:
https://archiveofourown.org/series/4149664Series
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Kamen Rider Delta: Hyperrune by KamenRiderJack1282734635545
Fandoms: Deltarune (Video Game), Undertale (Video Game), Kamen Rider - All Media Types
15 May 2025
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A new variable has made themselves known, an unknown group calling themselves "The Delta Vanguard" has been opening up Dark Worlds to cause the Roaring as well as creating monsters called "The Darkened". Now it's up to the FUN Gang as well a few new faces, old and new, to show them why they shouldn't mess with both of their worlds.
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An adult Frisk finds themselves exploring a very different underground. Terrifying at first once they realize that the monsters are more bark then bite, (unless they ask nicely) Frisk finds themselves growing more and more curious about the strange creatures dwelling under mount Ebbot.
(This is a rewrite of my Lustfell AU. The first couple chapters will be roughly the same, but I have changed a lot of the cannon around for later sections.)
(on hiatus while I work on other projects.) -
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Alphys has just made a scientific breakthrough, and has managed to make a new body for Chara.
Frisk is the first one to visit them.
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Determined Integrity. (English Translation) by FNAPKayla32
Fandoms: Undertale (Video Game)
03 Apr 2023
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Manny (11) and Frisk (10) are two energetic and imaginative children, to the point of standing out from the crowd compared to the other children in town. Unfortunately, the fact that they are different causes bullying, so the two friends have decided to skip class and go explore Mount Ebott instead...
However, a mixture of too much curiosity and a bit of clumsiness causes them to fall into the hole. So the two kids have to explore the Underground in search of an exit, and maybe make a few friends along the way - the ghost says monsters are nice after all. -
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Manny (11 ans) et Frisk (10 ans) sont deux enfants énergiques et imaginatifs, au point de sortir du lot comparé aux autres enfants de la ville. Malheureusement, le fait qu'iels soient différents causent de l'harcèlement, et les deux amis ont donc décidé de sécher les cours pour plutôt aller explorer le Mont Ebott...
Cependant, un mélange d'une trop grande curiosité et d'un peu de maladresse cause leur chute dans le trou. Les deux enfants doivent donc explorer l'Underground à la recherche d'une sortie, et peut-être se faire quelques amis en chemin - lae fantôme dit que les monstres sont gentils après tout. -
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During a simple day, Chara and Frisk get discriminated against for not being cis and later Chara's romantic feelings towards the young girl are revealed. Is it going to change everything between the two for better or for worse ? Oh well, they are only human after all.
TW: Vague memories of why Chara self-harmed, implied bullying and abuse, Karen energy, transphobia and racism.
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Pendant une simple journée, Chara et Frisk se font discriminer pour ne pas être cis et plus tard les sentiments romantiques de Chara vers la jeune fille se font révéler. Est-ce que ça va tout changer entre les deux pour le meilleur ou pour le pire ? Tant pis, iels ne sont qu'humains après tout.
TW : vagues souvenirs de la raison pour laquelle Chara s'est automutilé, harcèlement et abus implicites, Karen energy, transphobie et racisme.
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Telling all monsters that Chara was still somewhat there and could possess Frisk's body made a lot of things go differently than usual - Flowey coming with them being one of them. Now, the monsters will finally be able to live on the surface !
But still... How are Chara, Frisk and Flowey going to cope with everything ?Sequel to I was created by a traitor. uwu
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on hiatus until I get inspiration on how flow from one plot thread to another DX
Series
- Part 2 of Frisk and Chara's aborted geno route
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Aren't you excited ? Aren't you happy ? You're going to be free ! by Fallen_Potato_omgwhatiscishet
Fandoms: Undertale (Video Game)
11 Sep 2022
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A collection of Chara-centric oneshots created from Undertale prompt words.
From when they fell, to their journey with Frisk, to living to the surface again, Chara thinks a lot about who they are and why they're here.
They are a sweet kid, they really are, they just sometimes forget to think about themself... -
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Monsters came up to the surface three years ago and while most people accepted them and wanted to right the wrongs of the past, some didn't. You were one of the people that sought to right the wrongs of the past and move forward for a better life, because you too wanted to leave your past behind you. Starting your last year after beginning college late and finding a great group of friends, your life was going great. Of course, there were a few bumps, but life was going well.
Until you lost your job.
Needing quick cash you signed up for a nanny service and are matched up with none other than Queen Toriel to be a nanny for Ambasider Frisk and his demonic flower brother. But the adults are even weirder than the kids. There's the gay muscle fish and her nerdy girlfriend lizard, a celebrity robot and his ghost cousin, a sweet man-child skeleton and his lazy brother who will just show up whenever they like, and lastly the King of the monsters who your new boss has some beef with. Strap in cause your life is about to get a whole lot more chaotic.
Suggested name: Alexandra Mason
So it's not really clear for the most part but this IS set in the handplates universe. So there's that.
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I was created by a traitor by Fallen_Potato_omgwhatiscishet
Fandoms: Undertale (Video Game)
12 Feb 2022
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After saving the monsters 28 times to avoid staying on the surface, Frisk attempts to kill a monster on her next reset to feel something.
It turns out that Chara is the one that gets her LOVE however, so one monster turns into a lot more piles of dust as she desperately attempts to become strong enough to face the surface.Chara is obviously against the whole thing; but they are just a ghost, so what can they do ?
Frisk promised she'd reset soon anyway and, even if she already promised the same thing the 27 other times, they can't really do much more than trust her and hope for the best.
And protect their partner, of course.Series
- Part 1 of Frisk and Chara's aborted geno route
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Shadow of Hope by Quincy-San (Bella_Chan_is_tired)
Fandoms: Undertale (Video Game), Deltarune (Video Game)
29 Jan 2022
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Ever since they were young, Chara had been taking care of their younger sibling, Frisk. Their mother wouldn't.
They've accepted the fact that they'll never get a happy ending, but they're going to try their hardest to make sure Frisk does.
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After their mother died in an accident, Frisk went to live with the Madrigals.
But the magic that was gifted to that family started to falter. Trying to figure out a way to stop it, Frisk spends the night on one of the mountains.
They end up falling into a world even crazier than their own.
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Determined Flames Dancing in the Void by PerpetuallyTired_PT
Fandoms: Hollow Knight (Video Game), Undertale (Video Game)
27 Mar 2020
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After many hardships and loses the Knight, otherwise known as Little Ghost, with the help of Grimmchild, has finally defeated the pantheon of Hallownest, ended Radiance's infection, and ascended. However, one simple action, giving a beautiful pale flower to a large bug, has left Grimmchild and their parent trapped in infinite darkness.
Grimmchild is freed with the help of Ghost turned Shade, but they vow to go back and free their parent as well. But it might be a little difficult as they have to deal with a child playing at being a vessel, two or three? skeletons, nightmares everywhere, time loops, and many other things. Things were so much easier in the Nightmare realm...
Will a child god, a child spirit, and a literal child be able to stop the rewinding clock and give everyone they love a happy ending?
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Dream Of Mercy by FelicityNickwells, nmbjbo, SkylerScull1
Fandoms: Undertale (Video Game)
17 Jul 2019
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"Why does it hurt so much Chara?" Frisk asked in a hurry. "What am I forgetting?"
"Nothing, I don't know, go back to sleep Frisky"
Frisk has a bad dream and wakes up with a bad headache and a grumpy ghost friend. Is they're something Frisk is forgetting?Series
- Part 6 of Undertale: AlTeRCoDe Series
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*This is a Summary.
*A Summary of a story.
*The Author is Bad at summary's and Apologies. But he's working on it.
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Long long ago a mistake was made, a murder hidden as heroism as the monsters were driven underground. You thought it was all legends until the orphan child Frisk came back with all the monsters in tow, plunging you into a world in which soulmates exist and yours just so happens to be a violent skeleton who won't hesitate to kill to keep you safe from a world that hates monsters.
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Papyrus was more than a little tired of the constant balls and feasts his parents threw in an attempt to get him to settle down. He had no interest in the various Monsters and Humans that showed up, few friends aside. He simply wanted a small cottage to retire to and to be happy with his life. And if he could stop feeling broken, that would be wonderful as well.
Rosi just wanted to see the sights and if it got her away from her family and her species prejudices, all the better. She knew the legends, she knew the expectations. But she didn't want any of them, she couldn't care less. Being rescued, then having to rescue a chivalrous skeleton wasn't something she'd factored into the over all plan, but it seemed to be working out well.
Sans was tired of the dreams, voices, the screams and the phantom pains. He just wanted peace. He wasn't expecting it to show in the form of a magic-phobic Human.
Lauren is afraid. Afraid of what she is, who she is, what will happen when magic gets near her. Sans wasn't expecting her to almost literally fall into his life, she wasn't expecting to end in his.
Together, all of these broken creatures find their way, stumbling, pained, but healing each other in the end.