Favorite Undertale stories! :D
16 stories
Rescue (UnderFell!Sans X Reader Fanfiction)  by BanthaBug
BanthaBug
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It was supposed to be a search and rescue with your two closest friends. With your 'brother' Frisk missing now two days and that foster home giving less than a damn, it was up to you and your best friends to follow his one clue. But what happens when one little clue leads to a situation larger than life? Will you survive or will you fall in the cruel world of Underfell?
Blue Lips - An Undertale Fanfiction by _blankpages_
_blankpages_
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She sat in darkness after her fall. She cried in pain, as shadows grew tall. Until someone, who was pale and thin, Picked her up and took her in.
Ursa Major (Sans X Reader) by Im_SANSational
Im_SANSational
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It had been a couple months since your little sister went missing. Guess how surprised you were to see her on the news with the headline "Young Girl Helps Monsters Escape". When you meet the friends she made in the underground you can help but to love all of them, especially a skeleton with a love for puns and stars. Sorry I'm not that good at summaries X3 This is my first story so please tell me if I misspelled anything. I view frisk as a female so I apologize if you view them as male or both.
Drayce by JeuelSumalpong
JeuelSumalpong
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Drayce Watters, alpha of the CrescentBurn pack, discovered that his mate turned out to be a human in nature. He discovered that the girl he bullied for years, Alice Hales, was his. In denial, he keeps on torturing her. His bullying antics kept on growing stronger. Alice Hales was terrified but at the same time stunned. Drayce was showing signs of bipolar affection and misery to her. Despite the vague personality he is showing, Alice knows she has fallen deeply in love with him. She doesn't know that her strong feelings were caused by a mate bond she never knew. She doesn't know about wolves and mates. However, Alice being human and Drayce being a werewolf was a challenge. Drayce has to fight for him and for his pack-- while Alice was on his mind. Rogues, vampires, witches, and other supernaturals were clashing. Drayce is determined to mend the unsung pieces that caused this uprising to save him, his pack, and his beloved Alice **** Highest Rank: #34 As of May 6, 2018 All Rights Reserved
At the Surface (Sans X Reader) by mswordyq
mswordyq
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The monsters have finally made it to the surface and have been legalized to roam the surface as they please. The first couple of months have been spent as a paradise where humans and monsters have lived in peace and happiness. But as we all know, humans tend to be afraid of what they don't understand and the appearance of the monsters only seemed to have fueled the rising tension. You are a member of one of the biggest clubs that support the monster's appearance, known as the FMC (For Monsters Corporation). There is a rival club, known as the DM (Destroy the Monsters) that only wants to exterminate the existence of the monsters, and with every passing day, conditions only seem to be getting worse. Determined, you try to make things right and equal for all beings, but things start to alter when you meet with a certain skeleton. And with this certain skeleton, you, dear reader, reveal your biggest, most valuable secret...your little "defect". •°•°•°•°•°•°•°•°•°•°•°•°•°•°•°• COVER ART IS NOT MINE, I ONLY EDITED IT OUT FOR MY COVER. UNDERTALE DOES NOT BELONG TO ME, IT BELONGS TO TOBY FOX. I am simply writing this for the sake of my imagination, as well as for the entertainment of others. Thank you.
A Girl Who He "Hates": Sans X Reader (Warning: Bad Puns, Feels, and Puns!) by Endersnow
Endersnow
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Y/n L/n. The true name. The girl who everyone beats, torments, and blames for everything. The girl who is shy, forgiving, motherly, humble, and talented. The girl who everyone hates. Sans the skeleton. The punmaster, who is fun and laid-back and loves puns. What happens when he meets a human girl who he wants to hate? (A/n: In this book, Chara makes Sans hate all humans, just roll with it, please?)
From War to Science {UNDERTALE} by emotistic-optimistic
emotistic-optimistic
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Is it still considered a backstory if the protagonist doesn't exist? Companion story to "Reset".
A Gun and Some Catnip{Mafia!Sans x Neko!Reader} by SilverDragon23
SilverDragon23
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In this book you will be a girl neko. It just makes our lives easier. You are a white cat neko named (Y/N). You love to draw and color. The monsters have been free from the underground for about 1 1/2 years now. Lets just say that... the monsters and humans didn't get along. There were revolts against the monsters and things got violent. Pretty soon the world went into chaos. As for as you know, you are one of the few nekos still alive. You went thew this world thinking that everyone hated you because you were both. But that didn't make you loose your hope. One day while walking around the city you get into some trouble. You can guss what happens next.
Gaster Blaster Sans X Reader by GraceTheSeaGriff
GraceTheSeaGriff
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The barrier has been broken for a few years now. Monsters and humans have been living in peace together . . . for the most part. There are rumors about a monster who can somehow change his appearance into a big, scary dragon like skeleton thing. His name is Sans, and as you find out, he's not really that scary, just scared. This is my first ever X Reader, so keep that in mind. Please be kind and if you have any suggestions, let me know! Also, I guess it's kind of a slow burn . . . Art belongs to me. I don't own Gaster Blaster Sans. If you like this story I'm also working on the back story to how Gaster Blaster Sans came to be. It takes place long before this story when W. D. Gaster was still the royal scientist. You can now ask Gaster Blaster Sans: https://www.wattpad.com/story/76026518-ask-gaster-blaster-sans/parts
Baby Frisk {an undertale fanfiction} by Deanwinchestersgirl4
Deanwinchestersgirl4
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It's been three years since Asgore Dreemurr, king of the monsters, someone released everyone by breaking the barrier and freeing them to the surface. However, things aren't as good everyone had hoped they would be. Human still feared monsters and act cruel towards them, leaving the monsters to stay away from all cities and towns. When walking through the woods one day Sans the skeleton finds an abandoned human child, and the result of this find will shakes everyone's world to the ground.