Swapsans Stories

Dream was replaced by a new young Guardian. Well that's his cue for his retirement but... Oh well, not everyone let him retire and do whatever he wanted to do. Even af...

!! STORY COVER IS MINE, CHARACTERS DO NOT BELONG TO ME EXCEPT Y/N !! (ps, I forgot the book I got inspired in doing this.) (Book is currently undergoing slow updates😵‍�...

'Dream' the guardian of hopes and dreams has finally given up, so he tries to erase his existence by jumping in the void.. But when he got there, he saw someone else g...

A young woman, left alone after her family sadly passed in a car accident, suffers with PTSD and Anthropophobia (Fear of people.) Her only happiness in this world is the...

(Obsessed)Nightmare Sans x Blind Reader Trigger Warning! Abuse! For Mature Audiences ~~~ Y/n has known nothing but darkness her entire life. Blinded by the cruelty of h...

Y/N was a human from a brand new AU...which was practically nothing. They were eventually rescued by the Star Sanses...only to be taken prisoner by the Bad Sanses. What...

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...

Dream wasn't expecting to find Error when he located the negativity source. He definitely didn't expect to find the so called Destroyer curled up on the ground, glitchin...

(Discounted for a rewrite) A shy girl dies in her reality saving a kid from a speeding car founds herself trap in the anti void as a being called Error Sans the god of d...

NIGHTMARE is a sadistic bastard, that's just a fact. His goal is to corrupt Dream's soul and prevent the Doodlesphere from feeling positive emotions ever again. He has a...

When Dream loses his memories after receiving severe head trauma in battle, Nightmare and his team choose to take advantage of the situation...

Here's the fourth book! thank you all for all the love and nice comments on the first, second, and third book! NO LEMONS! FLUFF AND YANDERE ONLY! Mostly Au sans and pa...

Classic Sans incidentally finds himself working as a maid for eleven different skeletons in a mansion, after accidentally breaking a statue worth millions of dollars. Wh...

Dream struggles to find a reason, a reason to live. Because what is there to live for when your brother hates you?

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...

A change can lead to a new outcome, some worse than others or better than expected. When one's curiosity leads to a new life, do you accept the change or destroy it fro...

Just some Undertale and AUs x reader for funsies <3 Happy 2025!!

These stories are somehow getting overrated. The villain crew and the negative guy himself: Nightmare Sans, falling head over heels over a character who just wants to im...

"ᴇᴠᴇɴ ᴛʜᴏᴜɢʜ ʏᴏᴜ ᴍᴀʏ ʙᴇ ᴇᴠɪʟ...ɪ ᴄᴀɴ ꜱᴛɪʟʟ ꜱᴇɴꜱᴇ ɢᴏᴏᴅ ɪɴ ʏᴏᴜ" "ʜᴏᴡ? ᴡᴇ'ᴠᴇ ᴅᴏɴᴇ ɴᴏᴛʜɪɴɢ ʙᴜᴛ ᴋɪʟʟ, ᴛᴏʀᴛᴜʀᴇ ᴀɴᴅ ᴀʙᴅᴜᴄᴛ. ʏᴏᴜ ᴄᴀɴ'ᴛ ᴘᴏꜱꜱɪʙʟʏ ꜱᴇᴇ ᴀɴʏᴛʜɪɴɢ ɢᴏᴏᴅ...

Whose dream isn't it to end up in one of their favorite games or series? When you know so much about it, how much can go wrong? A lot, apparently. [Aside from my Ocs, I...