1 - 20 of 441 Works in Nonbinary Chara & Frisk (Undertale)
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"They’re sitting in a bed of golden flowers somewhere far beneath the earth, and, as far as they can tell, for better or for worse, they’re decidedly still alive."
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Frisk climbs a mountain and inadvertently awakens an ancient terror sleeping beneath the flowerbed they land on when they fall. If by "ancient terror" one assumes the less-popular definition of "annoying narrator-ghost princet of monsterkind who is now, unfortunately, permanently stuck in their head."
Chara doesn't want to be awake. They especially don't want to be helpless in the back of a bloodthirsty human's head, watching them ruin the only home they've ever known with no power other than their voice to fight back with. Luckily for them, that's not what's happening at all. Unluckily for them, they may have to re-evaluate a few things about their worldview. Which, for someone as set in their ways as them, is not an easy thing to do.
(Then there's the matter of the weird flower, Frisk's unusual powers, and the Longest of Long Days the underground has ever seen.)Chara & Frisk no player AU true pacifist. Updates Thursdays & Fridays!
Series
- Part 2 of FUSEVERSE
- Part 1 of aubades and nocturnes
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Encounter Unjust by Thaxonyn
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword)
28 Oct 2025
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When one Human does something unjust, another Human decides to try to take care of it. (See notes in Chapter 1)
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breaking the confines of platonic ideology by helio_heliohelio
Fandoms: Undertale (Video Game)
27 Oct 2025
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With the ascension of monsters, there hasn't been a boring day since. Living in a town close to the mountain range had its perks, and things certainly changed when the neighbourhood I lived in starts getting new residents.
The only problem now is finding a better job.
Luckily, a skeleton appears and tells me about a restaurant I can work at. I accept.
And I soon run into a whole bunch of other skeletons that all seem to like me.
Romantically, and I'm afraid of what will happen. -
Life On the Surface by RetroWrites
Fandoms: Undertale (Video Game), Deltarune (Video Game)
17 Oct 2025
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Frisk has freed the monsters.
Now all they need to do is to live on the surface.
Campy story with plot and sad stuff on top of regular Undertale shenanigans.
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The sounds of soft knocks took their attention away from the screen. They stared at the door, bewildered. Who was awake at this time of hour? They waited until another series of knocks to confirm someone was there.
There were two guesses. One was their roommate, but that was immediately crossed out since they had a key to their room plus they were still out of town. Second, was the RA but they were positive they were asleep at this hour.
Hmm… Perhaps a small distraction could clear their mind.
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Frisk, a child who previously gave up on living due to having a hard time on the surface, falls into the Ruins. After spending time in Toriel's care, they find the strength to go on. To them, this means they need to leave the Ruins. After facing their first death during a confrontation with Toriel, they address the elephant in the room (or rather, the extra human in their brain): Chara. Chara has no memories of their life and no motivations in particular, but as they get to know the other human kid that they're stuck with, they can't help but get attached. Frisk reminds them of themself, somehow, as if they were two sides of the same coin.
Together, they traverse The Underground in their now shared body, meeting foes, friends, and foes turned friends along the way. Despite having previously considered themselves good as dead (or actually dead in Chara's case,) they find their hearts crying out that they want to live, no matter what that ends up meaning to them.
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Kris and The Underground *REWRITE* by Oiral_Insanity
Fandoms: Undertale (Video Game), Deltarune (Video Game)
12 Oct 2025
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Again. And Again.
Kris is suffering from the constant defeat being handed to them and their friend by The Angel's Heaven. So imagine their surprise when The Knight steals them all away into the Void as a last ditch effort.
And drops Kris into the Underground alone. Well, not exactly alone. They do have some kids (one human, the others ghostly) to guide through a new world where every monster they once knew is trying to take their souls to break a barrier holding them beneath the mountain, all so they can wage war against the humans above.
Welcome to the Underground, Kris. Enjoy your stay.Hello, everyone. This is my rewrite of a fic I stopped updating 6 years ago. Recently, I played through Undertale again with a mod I downloaded thanks to the Internet posting about it and a friend saying that they've been meaning to get around to it. It was fun, and got my writing brain to shake off the dust. So here we go, a rewrite of my most popular fic on here.
-Oiral -
The Shadowless Abstraction by windswept_wanderer
Fandoms: Undertale (Video Game), South Park
08 Oct 2025
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A long time ago, two (potentially three) fucked up and immortal children met each other and made a name for themselves at the expense of everybody else.
But this isn’t really about that. This is about the consequences of that.
This is about affection, manipulation, and the long, long road to becoming someone completely unrecognizable.This is about a boy named Andy.
- Language:
- English
- Words:
- 3,266
- Chapters:
- 1/?
- Hits:
- 12
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Summary
a·me·lio·rate
To make something bad or unsatisfactory betterPapyrus has been hiding his knowledge of the resets from everyone. Well, everyone but Flowey. ...that should probably change.
Flowey needs to heal, but doing so is made extremely difficult when no one trusts you or actually wants you there. Besides your only friend, I guess.
OR: Papyrus and Flowey are besties who needs to Improve Their Mental Health™. Everyone else has issues too, I guess, but still. This is Papyrus and Flowey-centric so who cares/jSeries
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Day 5: youre embarrassing me
Frisk is used to holding hands when walking with someone,
Series
- Part 5 of Mini's flufftober
- Language:
- English
- Words:
- 341
- Chapters:
- 1/1
- Kudos:
- 2
- Hits:
- 17
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Summary
“Curses, Sans! I’ve failed the interview before we even got there!” Hands on his hips, Papyrus shakes his head while examining one of the four portraits.
“how so?”
“You’ve made me a very unhappy haunt!”
On the first day of the trip, before the sun had begun its descent, the sky became an overcast silver. A brainstorming session on where to get out of the heat leads to Sans suggesting an old manor tucked away behind the willow trees. Then it turned out that was Toriel's plan all along.
Unlike most other rides today, all nine of you will be riding Haunted Mansion together.
Series
- Part 2 of Three Blind Mice
- Part 4 of One Paw at a Time
- Language:
- English
- Words:
- 28,896
- Chapters:
- 3/4
- Hits:
- 72
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Summary
After breaking the barrier, Asriel goes to Chara's grave to spend his last moments as himself.
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Literally Soulmates by DuoVersal
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
22 Sep 2025
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Clover and Frisk volunteer their souls to be experimented on to bring Chara back to life. Also when Frisk flirts with someone, I will put “*Flirt” because I suck at writing flirting.
Series
- Part 1 of Literally Soulmates AU
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Frisk moves leisurely through the Ruins, with their eyes fixed on the ground, kicking at fallen red leaves. Is it worth it?
Chara is being cranky. And they think too much :)
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Sans never thought he would be here, sleeping beside Toriel, planning what jokes he would use at his brother's wedding, getting a new list of endless surprises every day, but then....
Then Frisk started sleep walking
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Ever realized you badly need one ultra-specific thing at stupid o'clock in the morning and hunted for it for way longer than you want to admit?
What it says on the tin.
Happy 10th anniversary, Undertale. Thank you for everything.
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After monsters got freed from the Underground ten years ago, Flowey decided to stay there as a way to punish himself and to not harm anyone else. Much to his annoyance, Frisk decided to make a deal with him to at least visit him once every year to keep him company.
Today is their tenth anual meeting, and he might find that an old friend is with Frisk this time around.
(Fic made for Undertale's 10th anniversary!)
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Another Child Lost to the Mountain (Building a New Future, With You By My Side) by LizaVet
Fandoms: Undertale (Video Game)
15 Sep 2025
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Summary
Frisk could feel Chara narrowing their eyes at them. "Seriously, can you please take that stupid bandanna off your head?" Chara sneered. "It makes you look ridicul-"
"Mandanna," Frisk interrupted.
“…excuse me?”
"Mandanna. Not bandana."
”Are we seriously gendering the bandanna just because it has abs on it?”
"Yup!"
”…I really wish that others were able to hear your sass.”
"I don’t know, I kinda like the idea that you’re the only one getting to see this side of me." Frisk looked in the window of a house they were passing by, winking at their reflection in it. "Makes you special, doesn’t it?"
”I- Stop flirting with me. I’m a dead person’s voice in your head!”
"No."
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A child falls into the Underground and discovers a world beyond their imagination. Between the monsters, the magic, and the power to undo their mistakes and make everything right, they find happiness in places they would have never imagined. But when things start to get difficult, will they have the strength they need to keep fighting? How much pain are they willing to suffer to make things right? How much are they willing to give up to reach their happy ending?Series
- Part 1 of ACLM
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It had seemed like the end of the world, at the time. Having to tell your parents that you were an interloper in Frisk’s body and the truth about your and Asriel’s deaths was your worst nightmare. You were convinced that you had just ruined yours and Frisk’s lives.
10 years later, you wondered why you were even worried in the first place.
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There is a great difference in motives between doing a genocide after doing a pacifist route, and doing a genocide first.
Well, maybe not first. Death comes first.
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