Undertalexreader Stories

512 Stories

Cursed (Female!Chara x Male!Reader) by Incurvat
#1
Cursed (Female!Chara x Male!Reader)by Incurvate
[THIS IS A REBOOT OF 'CURSED.'. IT IS AVAILABLE ON MY PROFILE. BUT IF YOU DO NOT WANT TO BE SPOILED, READ THIS IMPROVED VERSION. SPOILS IN THE COMMENTS WON'T BE TOLERATE...
Fairytale Complex - [Sans x Reader] by james_trmtx
#2
Fairytale Complex - [Sans x Reader]by 🌺 Jaime 🌺
[Frisk's Parent Reader | Slow Burn] The dichotomy between black and white is your constant when it's time for you to meet the whole new civilization Frisk brought along...
Ⓓ Ⓤ Ⓓ Ⓔ {Yandere! Undertale! Various x Underfell! Reader} by jackradical
#3
Ⓓ Ⓤ Ⓓ Ⓔ {Yandere! Undertale! Vario...by one radical man
{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...
Undertale X Reader by Frei_111
#4
Undertale X Readerby Frei_111
You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, act...
Completed
The Youngest Phantomhive by napping_nat
#5
The Youngest Phantomhiveby Nat
COMPLETED The year is 1887. A time where the people of great wealth sat on thrones like royalty, while the poor beg for scraps, hoping for another chance to see the sun...
Forbidden Flame (Mafiatale Grillby x Reader) by OreoDaSkeleton
#6
Forbidden Flame (Mafiatale Grillby...by ~Oreo~
A world ruled by judgement, mafias, and violence. Y/N wants nothing more than a simple life, even though she was born as the daughter of a higher class. She has a secret...
Black Butler One shots (request closed) by Hellova_paw
#7
Black Butler One shots (request cl...by Hellova_shot
These are stories based on the black butler characters. Note: this is a repost from my old account taztaz92
Underswap love [complete] by Author-Dayo
#8
Underswap love [complete]by Author-Dayo
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...
UnderTale AU Oneshots by Aokira_Akilas
#9
UnderTale AU Oneshotsby Aokira Akilas
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...
ʚ 𝒇𝒂𝒍𝒍𝒆𝒏 𝒅𝒐𝒘𝒏... ɞ || Undertale x Claire!Reader by HeartsFinina
#10
ʚ 𝒇𝒂𝒍𝒍𝒆𝒏 𝒅𝒐𝒘𝒏... ɞ || Un...by • Finina •
『 𝑬𝒗𝒆𝒓𝒚𝒕𝒉𝒊𝒏𝒈 𝒘𝒆𝒏𝒕 𝒅𝒂𝒓𝒌 𝒂𝒔 𝒔𝒉𝒆 𝒈𝒐𝒕 𝒕𝒐 𝒎𝒆. 𝑶𝒏𝒍𝒚 𝒕𝒐 𝒇𝒊𝒏𝒅 𝒎𝒚𝒔𝒆𝒍𝒇 𝒐𝒏 𝒂 𝒃𝒆𝒅 𝒐𝒇 𝒇𝒍𝒐𝒘𝒆𝒓𝒔 𝒂𝒔 𝑰 𝒂𝒘𝒐𝒌𝒆. 』 ❊╌──┈...
Just SING | Sans X Reader by artsyTrashpile
#11
Just SING | Sans X Readerby -
--Long ago, two races ruled over Earth-- --HUMANS and MONSTERS-- --One day, war broke out between the two races-- --After a long battle, the Humans were victorious-- --T...
Completed
Case Of The Living Doll ❦ Undertaker  by marnieed
#12
Case Of The Living Doll ❦ Undertak...by ❦•Marniee•❦
A story of a human-like doll and her owner Undertaker.
Daughter of Death  by ItsSwapPapyrus
#13
Daughter of Death by Teutonic
Cover artist: punny-puntasy ! (TOLD IN YOU/YOUR) A reaper, a few gods, and a bunch of skeletons. The life of a reaper wasn't boring to her, everyday she would gather s...
My darling ~ A Yandere Underfell Mettaton X Reader Story [Complete] by Yosieplayz
#14
My darling ~ A Yandere Underfell M...by Yosieplayz
[2nd book] A Yandere Underfell Mettaton x reader story After Y/n falls down, they meet someone to help them throughout their way back home. Somehow they become very good...
Sans x Reader One-Shot Booklet by ZanaBSparrows
#15
Sans x Reader One-Shot Bookletby Zana B Sparrows
This is just a collection of Undertale-themed one-shots that go along with the plot of my Sans x Reader fanfic, "When Two Souls Meet." It's a community project...
My Knight of the Royal Guard (Papyrus x Reader) by chibi_vampire_senpai
#16
My Knight of the Royal Guard (Papy...by Charlie the Vampire
My first story on Wattpad! :3 I just really like Undertale and stuff, and Paps is such a big sweetie, so why not! ^//^ Reader x Papyrus, and may get a lemon later on if...
Completed
Protect One Another - US!Papyrus x Reader by robin-rights
#17
Protect One Another - US!Papyrus x...by hufflepuffilicious
Trauma is a powerful thing, and not something to be taken lightly. Especially if your "best friend" is the cause of it. But friendship, understanding, and love...
I Hate You! I Love You! ♡~Uɴᴅᴇʀᴛᴀᴋᴇʀ x Rᴇᴀᴅᴇʀ~♡ by Travelling_Army_
#18
I Hate You! I Love You! ♡~Uɴᴅᴇʀᴛᴀᴋ...by Mo
Hate sprouted deep within your heart from the moment you grasped hold of his intention and just etched further in his first attempt of escaping. His second was a success...
One Of Us (Female Sans AU X Undertale AUs) || 𝙳𝙸𝚂𝙲𝙾𝙽𝚃𝙸𝙽𝚄𝙴𝙳 by TheMystWrites
#19
One Of Us (Female Sans AU X Undert...by 𝚀𝚞𝚎𝚗𝚝𝚒𝚗
Y/N... She's Genderbent sans. She knows only Ink and Error. She's everything you'd think you'd find in a genderbent sans. Instead of blue magic she has pink. Instead of...
Undertale Scenarios by InWolfsClothing
#20
Undertale Scenariosby In Wolf's Clothing
A series of semi-realistic scenarios including a handful of Undertale characters. In otherwords, stick around. ... Please.