Undertaleauxreader Stories

(Y/N) didn't want to be friend the popular kids. Nor had she ever dreamed that she would have a sleepover with them. But boy is she wrong when she is forced to go with t...

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

{Yan! Ut! Various x Fell! Reader} [reader is Gender Neutral] [College! AU] [tw: yandere themes, obsessive and posessive mindsets. read at your own risk. i do not condone...

what happens if frisk has a little sister who is cute but mute and also has a magic on her? introduce ( y/n) she is an 11 year old girl who lives with her brother frisk...

Undertale aus x reader Featuring (in order): Nightmare Error Dream Ink Cross Dust Killer Blue Horror The Soulmate Au is where everyone that comes or lives there will hav...

as what the title said,it is an Undertale AU x reader fan fiction..mostly Undertale,Underswap,Under fell,Swapfell,Echotale and Echofell and pls...don't ask for lemon..I...

my new randomness book! My new art book that also have memes,vines ect I hope you enjoy o((*^▽^*))o

So this is basically from my one-shot undertale/deltarune x reader. It's from my quotev. Though first, read the first page from the quotev version, or from this version.

This story is about a young girl named Y/n l/n and sans the skelliton. Read through your adventure with sans through the highs and lows and wait to see the outcome!!

🖋️ A ink! Sans x Reader🎨 for all you 𝖎𝖓𝖐 𝖘𝖎𝖒𝖕𝖘 ʚ♡⃛ɞ(ू•ᴗ•ू❁) This is one of my first WattPads so please don't judge (　；∀；) I am trying to make this a Gender n...

these will probably be fmore friendly then romantic, but I will make ones like that if it's requested. there will also be au fanfictions in this.

▐ ◤ 𝐂𝐨𝐩𝐲𝐫𝐢𝐠𝐡𝐭 𝐃𝐢𝐬𝐜𝐥𝐚𝐢𝐦𝐞𝐫 ©: 𝐀𝐥𝐥 𝐫𝐢𝐠𝐡𝐭𝐬 𝐭𝐨 𝐭𝐡𝐞 𝐠𝐚𝐦𝐞 𝐔𝐍𝐃𝐄𝐑𝐓𝐀𝐋𝐄 𝐚𝐫𝐞 𝐞𝐧𝐭𝐢𝐭𝐥𝐞𝐝 𝐭𝐨 𝐓𝐨𝐛𝐲 𝐅𝐨𝐱™◢ ▎ ─────────────...

After a careless human throws their child into the world of monsters, a certain goat man named Asgore decides to take the child in as his own. But as this little human g...

✿ Your grandmother had simply asked you to take over the flower shop after they had been admitted to the hospital--caring about your grandmother, you took after their sh...

Underfell, Underswap, Swapfell, and Undertale brothers x female reader. You offer to let them live with you if they pay rent, unaware of the shenanigans the will ensue...

A PAPERJAM X READER STORY SUMMARY 🔖: You left your college after a rough start. Your friend, Alphys, convinced you to pursue a new major at her well reputed college. Al...

(Ink! Sans x Reader x Error! Sans) Story based on the formula of most Mario games, as well as any outside media that follows the main plot of the original Mario Bros. g...

Y/N's best friend Blueberry (also known as Underswap Sans) invited them to move into the shared/connected apartment next door. They could hang out all the time! It's an...