Underswapsans Stories

Nightmare had been so kind. He'd said all the right things and done everything perfectly to gain Dream's trust. When had the proposition turned from the possibility of...

Y/N, meets a new coworker that changes her life forever. A monster, doing his best to make a living after moving out of the underground. Sans is this ecstatic, cheerful...

this is a love story between swap sans and the reader, the reader falls runs threw MT.Ebott trying to escape her twisted guardians when she is shot into a massive hole...

He knows he'll be dooming them if he falls, but he's tired, his body is breaking apart, held together on a higher being's whim only. He wonders if there'll be another to...

HIGHEST RANK: #41 in Random juѕt чσur dαílч hαppєníngѕ wíth ѕαnѕ αnd híѕ díffєrєnt "hím(ѕ)"! (this book is full of Sanscest, trust me) EVENT: [n/a] Book C...

Cherry, an unusual swap-sans type, draws the attention of Dream and Nightmare when he is left the only survivor in his underground. With his Papy's gaster blasters follo...

(ᴠᴀʀɪᴏᴜs sᴀɴs ᴀɴᴅ ᴘᴀᴘʏʀᴜs ᴀᴜs x ʀᴇᴀᴅᴇʀ) ||ᴀɴᴅ ᴛʜᴇɴ ɪ ɢᴏ ᴀɴᴅ sᴘᴏɪʟ ɪᴛ ᴀʟʟ ʙʏ sᴀʏɪɴɢ sᴏᴍᴇᴛʜɪɴɢ sᴛᴜᴘɪᴅ ʟɪᴋᴇ "ɪ ʟᴏᴠᴇ ʏᴏᴜ."|| Life was merciful enough to grace you...

A book of Dreamtale oneshots I started writing in 2017 that gradually turned into an actual story by 2020. The writing isn't great at first but I assure you as the onesh...

Moved from AO3 because of reasons! "You are the only maid (or worker in general) that serves for the Skeletal Household. It's a skele-ton of work, but you manage by...

Haré la traducción de esta serie de cómics que me gustaron bastante de los mundos alternos de sans y papyrus(y Gaster) en una fiesta de navidad xD Disfruten! (?) Psst, n...

You are locked below ground where nobody can find you. Chained to a wooden post in a dark, cold room. You are left with no memory and pain all over. You are left there f...

(This story is not a part of the Alphatale Story) Blueprint, the son of Ink and Underswap Sans, had been put into a situation that has came to beyond his control. One mo...

*Just a normal fgod fanfiction. *...or is it? Error gets cornered in Outertale by the Star Sanses. He missteps and falls into the VOID. Blue tries to catch him, but topp...

"There IS worse fate than death" The cover isn't mine. Just a few warnings: -boyxboy -girlxgirl(maybe?) -blood -su¡cide(kinda) -death

Title Translation : 《Star And Moon of Tomorrow》[Bad/Star Sanses Fan-Story] ------------------------- "...since we are going to fight all the Pinnacle entities toget...

It's been a few years since the events of Dreamtale. Dream is forced to constantly protect everyone's happiness against his brother Nightmare, and it seems nothing can s...

Just Sans X Reader No Lemon Cover by my homeslice tkdgirl222 I don't own any of the characters in these story Don't kinkshame me I know your here for the same reason I w...

The title says it all. Sorry this is my first book so it's probably a piece of crap. Will contain mature content. Such as, swearing, abuse, general violence.

After helping horror leave the bad sanses, swap sans takes horror to an au where no one can bother them and where they both can live a peaceful life for a little while. ...

HELLO EVERYBODY this is a new story! this story will be a killermare story but during the process of it there will be other ships with killer and in the end I'll end up...