Undertale
43 stories
Splendorman: Papa by AzariusReaps
AzariusReaps
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A short story about Splendorman and a human child he saves in the woods one day, leading into an unlikely bond between the pair.
True Love Restraint (A Yandere!Sans x Reader) by NeonYandere
NeonYandere
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    Parts 13
sooo... um... yeah... this is my first time doing a sans x reader story... so plez... bear with me if it's bad... (no freddy fazbear pun intended even though i'm playing fnaf on my phone right now while doing this n my computer) cover art belongs to Sayadesu (i think... someone told me)
Undertale X Reader - Hiatus by IcyDuelist
IcyDuelist
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    Votes 4,088
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    Parts 49
One shots (or parts) with Undertale characters! Cause LIFE! No media belongs to me unless specifically said ITS ON HIATUS CAUSE ZILCH MOTIVATION ;-;
In Love With A Killer - Psychotic!Sans x Detective!Reader by PoisonousWritings
PoisonousWritings
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    Parts 16
Teacher, Teacher [Sans x Reader] by february-stars
february-stars
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    Parts 7
You're a pretty average, fresh-from-college high school mathematics teacher scraping by in your tough school teaching position. Even if your life seems pretty hard right now, at least it's normal, right? At least, until a horde of monsters climb out of a lonely mountain and announce their presence on Earth. And until monsters start finding work in human communities. And until a short little skeleton decides to fill in a teaching position at your high school. What happened to the normal life??? [All characters and events in this work-even those based on real people or video game characters-are entirely fictional. All lines of dialogue are thought-up and written.....poorly. The following fanfiction contains coarse language, alcohol, smoking, twerking, blazing it, farting, excessive puns and due to its content it should not be viewed by anyone.] {Cover creds by Kaweii, check her out on DeviantArt~)
GasterSans! X Reader Chan by KikuInuNeko25
KikuInuNeko25
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    Parts 21
You're having flashbacks about the past and the life you had with real life monsters. You're feelings to one particular monster takes you to your limits, and you discover something extraordinary yet life changing. (sorry this sounds way better after one of my follows said it's really confusing so I'm sorry if it was) ... Weird but you will understand. ^_^
Crossfire -Gaster!Sans x Reader by _Forever_o3o
_Forever_o3o
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    Parts 42
What would you do if you lost your family and had to be alone? A girl named Y/N, has lost her family from the war. She hates monsters to this very day. But what if she finds a monster that changed her life forever? Would she befriend the monsters or make more of an enemy out of them all? ____________________________ I am not copying anything of any other stories. Sorry if I took a little of a background story or something related to that particular x Reader. Hope you all like it! Cover Art Made by Marf117
just a fan ; grayson dolan  by -drizzydolan
-drizzydolan
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    Parts 120
"I'll never meet him, I will never be able to touch him, I will never be able to breath the same air as him, and the worst part is that he doesn't even know I exist. I'm just a fan" highest ranking: #1 in fanfiction
~Why do you care~ [Underfell Sans X Reader] [•COMPLETED•] by Scribbie
Scribbie
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    Parts 51
Warning: possible swearing, inappropriate humour, perhaps lemons? Idk. Just stop being a goody two shoes and enjoy the book, kid
The Angel Of Death ( Reaper Sans x Reader ) by angel_wingssssss
angel_wingssssss
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    Parts 30
You are Mother Earths youngest angel student. You where the next care taker of the earth while Mother Earth had to do business. You where walking to your new job when run into the killer himself... Death. But the longer he hung around you grow feelings for him, but is it destiny?