Swapfellsans Stories

42 Stories

Au Sans Boyfriend Scenarios by The_Skeleton_Simp
Au Sans Boyfriend Scenariosby Lynx
What Would You Do If A Certain Skeleton Was In Love With You. Who Would It Be? Would He Be Cinnamon roll likeBlueberry? Or A Sinnamon Roll Like Raspberry?
~ 𝐄𝐱𝐩𝐢𝐚𝐭𝐢𝐨𝐧 ~     {𝑵𝒊𝒈𝒉𝒕𝒎𝒂𝒓𝒆 𝒙 𝑹𝒆𝒂𝒅𝒆𝒓} by dream_syzygy
~ 𝐄𝐱𝐩𝐢𝐚𝐭𝐢𝐨𝐧 ~ {𝑵𝒊𝒈...by revival.
100 years after the tragic events of Dreamtale, the two brothers continue a war of hate and love. Any AU unfortunate enough to get in the way of the darker brother's pat...
Bonely hearts club x female reader by alyssacbatt
Bonely hearts club x female readerby Alyssa Batt
Since there is no or any "bonely hearts club x female reader" I will be the first one to do it... so I hope you enjoy this book.
Life in a forest ( Au sanses x reader x au papyruses ) by Tr33Hollows
Life in a forest ( Au sanses x rea...by G-racie
An au sanses x MONSTER reader x au papyruses? Papyri? A fanfiction, it is not self-indulgent. So if your just lookin for some fanfiction to put yourself in, here it is...
No one has to know (Reader x Bad Sanses) by richelieau
No one has to know (Reader x Bad S...by richelieau
Art by- ??? (art founded on Pinterest) It's just a discontinued fluff with boyfriend scenarios
Small (small reader x au sans) by Sansy_Pappy
Small (small reader x au sans)by The Great Papy
You are brought to a strange void and you are greeted by nice people...err skeletons, But guess what? You are TINY!
New Life {Bittybones AU Sans x Reader}  by 9dele9ted9
New Life {Bittybones AU Sans x Rea...by not active anymore srry
They were hurt. They never really felt love and care. What happens to them when their old abusive owner decides to abandon them in a cold night, when (Y/N) finds them? T...
Truth or dare the sanses by TheOneTrueRavenclaw
Truth or dare the sansesby Raven
Blue: why am I here? me: because I am releasing all the cringe I have bottled up inside of me! And before someone asks, I do NOT own the cover art.
Au high by Apollo_Jeez
Au highby Apollo
CLASSIC SANS X SANS AUS info on classic: classic is going to a new school, he's 18 years old and he's going in the 12th grade, he lives alone with a cat he named fluffy...
Transported into Swapfell sans as a second personality!? by KarmaAkabane425
Transported into Swapfell sans as...by Karma Akabane
What if someone from our world was transported into Swapfell sans as a second personality while the sans was just a mere babybones? (Different things, different personal...
Swapfell The Complete Story... ...kinda by AmethystPheonix7
Swapfell The Complete Story...by AmethystPheonix7
This book is about Undertale AU Swapfell. This is my own personal interpretation of it, the characters personalities are based on my own. I know quite a bit about Under...
"Mama sans" by Apollo_Jeez
"Mama sans"by Apollo
y'all love mama noot noot? WELL TOO BAD BECAUSE IT'S SANSES TURN TO BE LIKE HIM. ahem. let's get on with the summary, the sanses got turned into kids, and they all wer...
Warped Perception of Reality by FlapJackQueen
Warped Perception of Realityby a simp for TK
Spoiler: you die in the first chapter. Why? How else could I write a reincarnation fic if you never died in the first place? - What the fuck?! This isn't anything like t...
"Wet box" by Apollo_Jeez
"Wet box"by Apollo
alright so like..... basically sans finds a box full of bitties and he decideds to bring 'em home...heh, heh, heh (The story starts in the middle of the night after that...
"We Are Young, We Run Green" Humanized!Sans AU 'Crackfic' by cheeto_brownie
"We Are Young, We Run Green" Human...by your homo awakening
What if there was no other universes, what if it was just a real world they live in? Just as teenagers, those teenagers who smoke weed, those teenagers who jump on roof...
Ask and/or Dare the AU Sans [OLD] by Cookiestar16
Ask and/or Dare the AU Sans [OLD]by SHSL Fanfic Trash
[This is really old so... please don't judge me if the beginning parts sound a bit cringe or all over the place..!] Basically, you comment down in the comments either a...
~Forbidden Love~[Nightjam] by Pasta_Sushi_459
~Forbidden Love~[Nightjam]by THIS ACCOUNT IS DEAD
Picture does not belong to me,It belongs to it's rightful owner. Alright forgive me everyone. Paperjam was going to the bad sanses' mansion with Error,And managed to hav...
daughter of underswap papyrus  by LissettGonzalez3
daughter of underswap papyrus by sweetiechan
Underswap amu and papyrus are blessed with her daughter, but she's always bullied and different from people and has magic powers. But it was too powerful to catch attent...
"Is this what it's called love?" by Sage-killer0
"Is this what it's called love?"by Sage_tyler Hexine
{Killermare story}"The Day that Nightmare the Prince of negativity found killer in his au the day where the bad sanses began.....what would happen when the Prince n...
Unstable Love (SwapFell Sans x Reader) by Gem_Cluster123
Unstable Love (SwapFell Sans x Rea...by Gem_Cluster123
helli Gem_Cluster123 here so i was inspired to do this by Kawaii_Neko327's 'Your not half that bad for a Human (SwapFell Sans x Reader) so all the credit goes to her, ok...