1 - 20 of 1,434 Works in Chara & Frisk (Undertale)
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Asriel, an old college friend of Chara and Frisk, disappeared without a trace a few weeks ago. Concerned for his whereabouts, both Chara and Frisk start an investigation about what happened, despite the fact that they are not cops.
The cops, however, will get involved in the case after they discover an unfortunate twist.
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A child with nowhere to go escapes the Underground at great effort, greater cost, and several missteps. Wandering the Surface, alone but for the undead voice in their head, they determine that the ending they have reached is not the one they want, and set out to find a better one. Rather than trust the advice of Flowey, they instead place their faith in the king’s dying words and seek the truth on the Surface. Somewhere in the world, there has to be a way to free monsterkind, and they’ll find it or die trying— And dying hasn’t stopped them yet.
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Frisk has had a long journey, but now he is finally at the end. Befriending every monster in his path, Loading when he died
Unfortunately, that all came to a halt when he got to Sans. A Save went wrong, and now he's trapped in another timeline that was not of his own making.
Will he have the Determination to get back home, before everything he has worked for becomes undone?
Will update every other Thursday!
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Rules of Surviving the Underground by writtenfanworksofGab
Fandoms: Undertale (Video Game)
29 Jan 2026
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Frisk, driven by their family to climb a mountain with a legend surrounding it of its hikers' disappearance with a short length of rope, finds the perfect pit to hang over. But as the rope slips, and they fall into the abyss below, they find that though it has many dangers, maybe, if they can learn and follow all of the rules perfectly this time, just maybe, they can find a home hidden in the unknown.
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Chara opens a dark fountain. by signstopper
Fandoms: Deltarune (Video Game), Undertale (Video Game)
28 Jan 2026
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Chara accidentally opens a dark fountain, hyjicks ensue.
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Your Soul and Mine, Our Souls Combined by reilio
Fandoms: Undertale (Video Game), Undertale: Red and Yellow, Undertale: Yellow
28 Jan 2026
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After suffering for too long on the surface because of a war he wants no part in, Clover jumps into the Underground with his little sibling. He had grown to hate humanity over several years, to a point where he’d rather take his chances with the monsters.
Chara flees the capital after finding out what their father intended to do to every human that fell down. Despite their best efforts, they haven’t been able to stop a single human from marching straight to their death.
Will she be able to save these siblings?
TLDR: After a fatal mistake, Chara and Clover’s souls become bonded to one another.
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Frisk, a holy angel, always hated the perverted, annoying as hell succubus, Chara. but he has a huge, blatantly obvious teenage crush on her, but he doesn't know. Chara, on the other hand, despite being his 'enemy', holds no grudge against Frisk, and unbeknownst to him, she has a massive crush on him she's aware of.
Frisk's best friend and father figure, fellow angel Sans, and Sans younger brother, fellow angel Papyrus, know what's going on. and they come up with an idea to get them to bond: they, alongside Chara's adopted younger brother, an angel named Asriel make a deal with a dealmaker named Ace, so Frisk and Chara are now stuck in a very huge dungeon, and have to rely on each other to escape. along the way, Frisk starts to realize his crush on Chara. will it work out in the end? get ready to find out, because they're in for a ride...Series
- Part 2 of My Undertale AU Stuff
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make no mistake, that's what he heard. Frisk had fallen down into a hostile world, what appeared to be out to get him. then there was a human, one who hated her species with a burning passion. but will an encounter of the two change that? and what else will happen with Frisk's adventures?
[Frisk is 16 and Chara is 19]
Series
- Part 1 of My Undertale AU Stuff
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It was just a letter sent from a neighboring country to the Dreemurrs to celebrate a noble’s coming of age, but there was no name written on it.
Seeing this as an excuse for his children to make some friends, Asgore sends them off to the party to have fun!
But instead, the Dreemurr siblings get involved with a situation that will change their lives.
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A response from the 3 Sentence Ficathon on Dreamwidth.
1) In which Flowey realizes he has vastly underestimated the evil he's been playing with. 2) The game is over and Asriel's feeling (mostly) fine. 3) Chara sees Frisk's struggles and comes to a decision. 4) In which Chara turns out to be an utter troll. 5) In another world, something is always different. 6) The curtains close on Fell!Mettaton. 7) Fell!Flowey is a lazy weed. 8) Papyrus is forgetting something. 9) Chara decides this time they will be the one leaving first. 10. Sans is being dramatic (set in Making a Kinder World verse). 11. Sans wonders what the point is in this. 12. Grillby is waiting for Gaster. 13. Echo Flowers are creepy!cool. 14. Asriel will not escape the romance route. 15. Frisk takes a depression nap. 16. Alphys fails upward while Mettaton helps.
Series
- Part 2 of 3 Sentence Ficathon
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Unexpected Hero by LemonCake64
Fandoms: Undertale (Video Game), The Legend of Zelda & Related Fandoms, The Legend of Zelda: Twilight Princess, Deltarune (Video Game), The Legend of Zelda: Ocarina of Time, The Legend of Zelda: Majora's Mask
25 Jan 2026
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“Not so fun being stuck in some loop right? Trying to fight to protect what ya got, not getting a choice in it. If I had the choice I wouldn't remember either.” The words oddly felt comforting. Link let out a slow breath, closing his eyes for a brief moment.
He didn't feel alone for the first time in a long time.
And that?
That was terrifying.
“To be honest, I kinda gave up a while ago. Just sat back and let the chaos go on, felt like nothing I did mattered anymore. Everything would just be reset anyways. Stopped caring what happened, that was until you showed up.” The skeleton’s eyes bore back into the Hylian.
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Frisk warily stares at Asriel, seemingly worried for what he has to say next.
"I knew them once. They're... dangerous."
His face scrunches up in a deep sorrow.
"You can't let yourself be caught by them. I dont think theres any coming back from what they did if they do it again..."
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An au where the dreemurr siblings live!
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𝙼𝚢 𝙷𝚘𝚙𝚎𝚕𝚎𝚜𝚜 𝙷𝚎𝚛𝚘 𝙻𝚒𝚏𝚎 - (𝙊𝘾 𝙓 𝘾𝙧𝙤𝙨𝙨𝙤𝙫𝙚𝙧) by TheWorstLeviathan
Fandoms: Undertale (Video Game), Naruto (Anime & Manga), ジョジョの奇妙な冒険 | JoJo no Kimyou na Bouken | JoJo's Bizarre Adventure, One Piece (Anime & Manga), Bleach (Anime & Manga), Fate/stay night & Related Fandoms, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Re:ゼロから始める異世界生活 | Re:Zero Starting Life in Another World (Anime), Invincible (Image Comics), Marvel, 呪術廻戦 | Jujutsu Kaisen (Manga), Chainsaw Man (Manga)
24 Jan 2026
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This is one of my old OCs, now that I finally have a account on here, I'm gonna write his story.
𝕎𝔸ℝℕ𝕀ℕ𝔾!: This has VERY explicit and terrible content, hence my name "𝕋𝕙𝕖 𝕎𝕠𝕣𝕤𝕥", expect everything stated in the warnings. This story will include but not be limited to, Underage involvementment (Sex, dirty talk, drinking), Religion referencing (inaccurate, some bashing), disgusting/offensive jokes, and much much more. You have been warned, so read if you want, but don't judge, you came here on your own.Series
- Part 1 of 𝘼𝙗𝙨𝙤𝙡𝙪𝙩𝙚𝙫𝙚𝙧𝙨𝙚 (𝙇𝙚𝙫𝙞𝙖𝙩𝙝𝙖𝙣'𝙨 𝙉𝙚𝙭𝙪𝙨)
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Undertale & Deltarune Drabbles by DeckofDragons
Fandoms: Undertale (Video Game), Deltarune (Video Game)
24 Jan 2026
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A series of unrelated Undertale drabbles and now some Deltarune drabbles too!
I take requests for these.
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200 years ago, a dark force killed the two princes of the Underground. In the present day, Frisk falls into an underground where only Home is left still standing. Can she help bring hope to a nearly hopeless underground?
Or is it already too late?
Updates every 12 days!
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Bonus Content by SpectrumWriting
Fandoms: Undertale (Video Game), Deltarune (Video Game)
23 Jan 2026
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Something has gone wrong.
Ten years into their happy ending, Frisk wakes up back in the Underground with no memory of reseting.
A few hours after parting ways for the night, Kris and Susie wake up in a strange new Dark World... again.Frisk's save file has been corrupted. Kris's soul isn't behaving how its supposed to. And Ralsei shouldn't be here at all.
An epilogue and a story half-told can't coexist without some conflict involved. -
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Chara believed themself to be a Demon who should Erase the world.
They were wrong.
They believed that they could easily move on to the next.
They were wrong.
They believed that there was nothing in the Void.
The Shade Lord plans to show them just how wrong they are.
Or...
Chara fights The Knight with too many titles.
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Heyo! This is my first fic so be warned for it to be ass.
Please suggest ideas for them=)!! I plan to write a ton of them once i get the hang of this, for now this is what i can spew out.
if there's anything grammatically errors, please let me know!!
charisk is so cool
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New Hometown by NullVol
Fandoms: Undertale (Video Game), Deltarune (Video Game), Undertale Yellow (Video Game)
22 Jan 2026
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School is about to begin for the children of Monster Town, making life all the more hectic for them. That is only reinforced by the sudden appearance of a new human who feels they have no control over their own life.
Tags are subject to change. May go on hiatus a few times as I imagine this one to be on the larger side.
Series
- Part 3 of To Resurface
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Sent on a mission to save a Monster, an Adventurer gets far more than she bargained for; but she doesn't care. After all, she owes Monsterkind her life. Why wouldn't she help them?