Swapfell Stories

566 Stories

I am the classic by KarmaAkabane425
I am the classicby Karma Akabane
Somehow...I've become a sans...and not just any sans.. I'm classic!? What the flip is going on!? Wait why are different sans and papyrus's showing up at my home? I didn'...
Swapfell Sans x Reader LEMON by Coolskeleton123r4
Swapfell Sans x Reader LEMONby Coolskeleton123r4
- Ah yes... you Fell down in Swapfell. Not knowing that you would encounter a strange monster named... Sans. - ( ART NOT MINE )
Au sans x reader oneshots  by Angelcandy321
Au sans x reader oneshots by Diamond Princess
well I was bored, and I love Undertale so it kinda makes sense.
Living with bittys by panpankate
Living with bittysby Panpankate
what would you do if all of a sudden some small skeletons appeared out of nowhere one night and we're so small and helpless you couldn't say no to. So your living with s...
Resetting Of Life by Pepsiwriter
Resetting Of Lifeby Pepsiwriter
Kyra falls into the underground, while there she finds that her connection to the monster realm goes deeper then she thought. Cover by @rykosen Undertale belongs to Toby...
SwapFell Sister Scenarios by EmilySkelewolf
SwapFell Sister Scenariosby Lady of WIP
So... what would happen here?
Strong but silent [Crossmare] by _Birdtale_Venom_
Strong but silent [Crossmare]by Flight
Cross has never actually talked among the bad sanses during their times of just hanging out and doing random stuff, he usually just eats taco's or chocolate and stay in...
UnderTale Oneshots (FINISHED) by TheGrinningKitten
UnderTale Oneshots (FINISHED)by TheGrinningKitten
Becoming ink sans from undertale multiverse!? by KarmaAkabane425
Becoming ink sans from undertale m...by Karma Akabane
What if someone from our world died knowing a lot from the undertale and their multiverse/underverse? What if that person also knew about the balance and didn't creat to...
Chosen falls for a pirate. An Afterdeath fanfiction by TheLonerWraiter
Chosen falls for a pirate. An Afte...by so!'raisa'nsational
Geno is a lonely thief, resident of a small sea village. He lost his brothers long time ago in a pirate attack. He was the only survivor from them. Since then he became...
A Skeleton's Hope (Undertale AU's x Reader) DISCONTINUED/BEING REWRITTEN by Just_Vibing_Man
A Skeleton's Hope (Undertale AU's...by Dead
Sans and Papyrus were your best friends until randomly they just cut off all contact with you. This went for everyone else in your life so it didn't really hurt that muc...
Villainess with a death wish - AU Sans x reader x AU Papyrus by Mallory_Abi_Moriarty
Villainess with a death wish - AU...by Mallory_Abi_Moriarty
Who would have thought that being bored in quarantine would result in being sucked in into the worse dating sim ever? Well, (Y/n) never believed that would happen, until...
Castle's Pet (Bad Guys X Reader) by EmelinStriker
Castle's Pet (Bad Guys X Reader)by Emelin
[Highest Rank: #1 in "sans"] [Second Highest Rank: #18 in "xreader"] (Girls only!) (Earlier updates are on my Quotev account!) WARNING: Profanity a...
Undertale/au x reader 3 by Broken-fnaf-fan
Undertale/au x reader 3by Artsy is bored.
(New updated cover) Welp, since you all loved the first two books so much, I wanted to make another. NO LEMONS! ONLY FLUFF! Mostly female reader sorry guys. Mostly be...
Reborn as sans from UnderSoul  by KarmaAkabane425
Reborn as sans from UnderSoul by Karma Akabane
I was reborn as sans from my own made up au. How did that happen? I have no idea. Luckily I was still a kid so I didn't have to act like how I made sans to act like but...
Daughter of Death  by ItsSwapPapyrus
Daughter of Death by Teutonic
Cover artist: punny-puntasy ! [TOLD IN YOU/YOUR] For as long as she could remember, she was alone. Living life like a lie, pretending that she was normal despite the ye...
Undertale Au's x reader 5 by Broken-fnaf-fan
Undertale Au's x reader 5by Artsy is bored.
Yes, here it is the fifth book! I went ahead and decided to make the fifth one now, new book, new ideas! Anyway, request are open, but give me some time to catch up wit...
Naturetale : reborn as lavender  by KarmaAkabane425
Naturetale : reborn as lavender by Karma Akabane
(As far as I know, no one has made a story about naturetale like this so..and the only reason why I writing one like this is because of fatal error part 5? Or part 4, go...
A Week with the Bad Sanses (Bad Sanses x Female Reader) by DillCipher666
A Week with the Bad Sanses (Bad Sa...by Andressa The Creator
You are drinking hot chocolate in your room, but suddenly a loud noise comes out of the kitchen. What is going to happend next? (Pic not mine and unlike the picture, the...
"just to see you smile" ( AU sans x emotionless reader) by newttheyandere287
"just to see you smile" ( AU sans...by bbgirl.eats.shickennuggets
(y/n) is a maid for a huge mansion living in the servant's courters. Through her past of pain, and trauma has caused her to lose her willingness for emotion only able to...