1 - 20 of 1289 Works in Underfell Sans (Undertale)

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  1. Tags
    Summary

    Your name is Y/N and you had a wonderful life! NOT. your boyfriend was an abusive, racist prick that you couldn’t seem to get away from. He hated the Monster kind and anything to do with them, so that's why you were now at the famous Monster owned business called Grillby’s just to spite the asshole. You set there drinking away all your self loathing for staying with him just for feeling bad for him. He would always cry and apologize when you wanted to leave and you would always stay.You wanted out. You had enough and missed that single life, the question is, how do you escape?

    You got your answer when a large, edgy, and hot skeleton monster walks in and sets beside you. As soon as your eyes meet his red eye-lights, you feel a shock go straight to your very Soul. you knew what this meant with how often it came up now that Monsters came up from the underground.

    You had found your Soulmate.

    Language:
    English
    Words:
    21,517
    Chapters:
    9/?
    Comments:
    103
    Kudos:
    331
    Bookmarks:
    75
    Hits:
    3841
  2. Tags
    Summary

    Sans can’t just give up this time, and he can’t do this by himself.

    Series
    Language:
    English
    Words:
    8,685
    Chapters:
    2/?
    Comments:
    141
    Kudos:
    216
    Bookmarks:
    13
    Hits:
    2125
  3. Tags
    Summary

    New to writing on this site so tags will be corrected later once i figure this out but this is supposed to be a sin filled story between Frisk, Horror Sans, Mobtale Sans, and Underfell sans.

    Frisk did not mean to get caught by sex traffickers and thrown onto a ship set to go god knows where. She also didnt intend for flying creatures to attack said ship and send her and a friend to an island full of monsters. Especially two that want to kill her for just being human. Well atleast she has 3 special soulmates that just so happen to come to her rescue at the right time.

    Language:
    English
    Words:
    21,103
    Chapters:
    7/?
    Comments:
    9
    Kudos:
    38
    Bookmarks:
    4
    Hits:
    428
  4. Tags
    Summary

    The Mansion on Loft Avenue, everyone and their mothers had heard of it.
    They say that a vengeful ghost lives there, haunting and killing anyone dares to disturb its home.
    Well, that's half true.
    The killing part was way off, not even close.
    You are Y/n, a spirit bound to the infamous mansion in a small town near Mount Ebott.
    Your goal? To find a way to escape this damned mansion that won't let you leave and to restore your memories.
    The problem? Some pesky skeletons plan to live in your home and they don't seem to be leaving any time soon.

    Language:
    English
    Words:
    34,334
    Chapters:
    12/?
    Comments:
    173
    Kudos:
    436
    Bookmarks:
    85
    Hits:
    3627
  5. Tags
    Summary

    ✧ ✧✧ ✧
    A collection of many different stories, from one shot to multiple chapters, challenges to prompts, fan character profiles to summaries of my own alternate universes. And more!

    ~✿~✿~✿~✿~✿~✿~✿~✿~✿੭
     
     
    ☆ Story #735: Requests 2019 - #21: Firehedgehog: Only To Be: A Different Story

     
     

    ♡ Summary:
    Undertale story request from my readers.

    Keep in mind that not all requests are the same in length and that some will bigger in the word count. I do hope you enjoy.

     
    ~~~
     
    ~✿~✿~✿~✿~✿~✿~✿~✿~✿੭
    SHORT CUT!
    ✧ ✧✧ ✧

    Language:
    English
    Words:
    752,998
    Chapters:
    741/?
    Comments:
    3414
    Kudos:
    755
    Bookmarks:
    39
    Hits:
    17217
  6. Tags
    Summary

    A simple shopping trip turns into an all out fluff fest.
    With creeps, as per usual.

    Language:
    English
    Words:
    3,288
    Chapters:
    1/1
    Comments:
    7
    Kudos:
    45
    Bookmarks:
    6
    Hits:
    280
  7. Tags
    Summary

    You had dealt with many things in your life. Fae, Supes, the Paranormal. Should be normal and easy for you, right? Wrong. When tragedy struck the Monster part of the city, there wasn't much else that could be done other than relocation. Guess who got the honor of being a host to some skeleton monsters? It wasn't Karen down the road, that's for sure. What do you get when you try to mix a human trying to keep secrets, and a bunch of suspicious skeleton monsters with mixed feelings? Trouble.

    Language:
    English
    Words:
    1,104
    Chapters:
    1/?
    Comments:
    2
    Kudos:
    29
    Bookmarks:
    10
    Hits:
    161
  8. Tags
    Summary

    After a night shut in your room with your cat and a bottle of vodka, you were understandably hungover the next day.
    All you’d wanted was some painkillers and a tub of ice-cream, however life had other plans for you, and instead you were kidnapped.
    After a most unpleasant journey, you wake in a homely house, with a comfortable bed, a television in every room, and a skeleton monster who’s even angrier then you are.

    Uh...

    Hey, roomie?

    —OR—

    Reader and Red are both kidnapped by a mysterious organisation consisting of both monsters and humans, and are forced to live in the same household with the same confusion and anger.

    Language:
    English
    Words:
    27,810
    Chapters:
    8/?
    Comments:
    118
    Kudos:
    286
    Bookmarks:
    49
    Hits:
    2307
  9. Tags
    Summary

    A picture perfect family hides the fact that your life is filled with manipulation and abuse. When you move away after high school, you encounter more than one skeleton monster that often tests your anxieties.

    Hey...why are they acting like that?
    *updated description

    Series
    Language:
    English
    Words:
    153,958
    Chapters:
    36/?
    Comments:
    443
    Kudos:
    847
    Bookmarks:
    174
    Hits:
    15282
  10. Tags
    Summary

    In the aftermath of from the events in 'Internal Disputes' and 'Bedside Stories', the fallout has an effect on everyone and they all have their own issues to deal with.

    Series
    Language:
    English
    Words:
    12,230
    Chapters:
    4/?
    Comments:
    96
    Kudos:
    111
    Bookmarks:
    4
    Hits:
    759
  11. Tags
    Summary

    Concept- Red is in love with Edge but it’s seemingly one sided. Red is obsessive and overemotional. When Edge gets together with Classic sans- Red has a meltdown. (There are several possible endings.)

    Language:
    English
    Words:
    1,681
    Chapters:
    3/3
    Comments:
    7
    Kudos:
    28
    Hits:
    470
  12. Tags
    Summary

    Having Red as an introduction to sacrum lacing was a bad idea - though he enjoyed it, Sans now has cold feet about the entire process. Edge and Red aim to help him with that, until Sans is put in the driver's seat... and Edge loses control.

    Language:
    English
    Words:
    16,539
    Chapters:
    1/1
    Comments:
    23
    Kudos:
    75
    Bookmarks:
    11
    Hits:
    596
  13. Tags
    Summary

    Cross-Posted from wattpad and FanFiction.Net.

    A Prophecy dooms both the worlds of Hylia and Fell, but there is no hero in Hylia's Land Anymore, and a dark entity seeks the power residing in the young woman Frisk.

    6 Years Post-Majora's Mask

    Previous Part in Guardianverse: None.

    Next Part in Guardianverse: Elemental Infinity (Ninjago x Marvel)

    Series
    Language:
    English
    Words:
    3,594
    Chapters:
    11/?
    Collections:
    1
    Comments:
    2
    Kudos:
    14
    Hits:
    261
  14. Tags
    Summary

    During a time that bitties have been bred with even human killing abilities in illegal kennels for bitty fights. Bitties are still not considered people or even regular monsters...just things or pets in the eyes of the law. One night you managed to save the life of a helpless edgy bitty from a blackberry bitty named Pitch and his gang. By saving the poor Edgy and finding out just how many problems he had to cause him to be in such a situation to begin with led you to the life you have now. You've become a licensed bitty therapist in hopes of reaching out to the abused, the neglected, and street worn bitties and giving them a chance at a better life. With your supportive and loving edgy bitty by your side years later down the road you should have know that eventually the past would come back to claim you after all your life no longer belongs to you.

    Series
    Language:
    English
    Words:
    41,995
    Chapters:
    7/?
    Comments:
    89
    Kudos:
    369
    Bookmarks:
    66
    Hits:
    4463
  15. Tags
    Summary

    Your best friend has to save your ass from freezing off.

    Series
    Language:
    English
    Words:
    2,255
    Chapters:
    1/1
    Comments:
    5
    Kudos:
    49
    Bookmarks:
    2
    Hits:
    321
  16. Tags
    Summary

    The barrier has broken and monsters, now considered no more than a mostly forgotten myth, are loose. This story follow a Bitty Red(Sans) and the trouble he gets into when he gets caught sneaking alcohol at a bar and stealing a manager's lunches.

    Language:
    English
    Words:
    13,023
    Chapters:
    1/?
    Comments:
    1
    Kudos:
    3
    Bookmarks:
    2
    Hits:
    45
  17. Tags
    Summary

    Long ago, a human fell into the monster kingdom. They were taken in by the king and queen, and raised by their son. Their deaths sparked grief and rage among the kingdom, and a second war on humans was declared.

    The queen disappeared after the declaration, and was forgotten over time in the ruins of the old kingdom. The Underground fell gradually into dark times where violence was encouraged and rules were expected to be followed without question, ensured by the Royal Guard. Humans fell and died in the name of the war their king led; six human Souls were collected. Generations of monsters passed, waiting for the seventh human who never fell.

    And then, one day, it did.

    Series
    Language:
    English
    Words:
    4,690
    Chapters:
    3/?
    Comments:
    6
    Kudos:
    3
    Hits:
    64
  18. Tags
    Summary

    Six skeletons arrive at their new house after Alphys and Undyne kicked them out...but the owner is no where to be seen.
    And why aren't they allowed in the shed at the back of the garden?

    Series
    Language:
    English
    Words:
    7,775
    Chapters:
    6/?
    Comments:
    5
    Kudos:
    55
    Bookmarks:
    14
    Hits:
    294
  19. Tags
    Summary

    Years after the barrier is broken and an inter-universal portal is set up, monsters and people from other AU's visit each other and create relationships. Eventually everybody finds their way to the strip club in Underlust Snowdin.

    Follow me on https://twitter.com/Revharem

    Language:
    English
    Words:
    96,279
    Chapters:
    23/?
    Comments:
    48
    Kudos:
    48
    Bookmarks:
    5
    Hits:
    3680
  20. Tags
    Summary

    You have never felt as unwanted as you do now. You look at them from afar, seeing her beautiful figure on his arm as if she belonged there. Smile, just force your happiness for them, even if it hurts and couldn't be farther from your true feelings. 'Pretend, pretend, and pretend.' Don't show how broken and hurt you are inside. A month passes and you hadn't realized you weren't the only one that had been affected with this new dilemma. You see him there, miserable and defeated, just like you.

    Language:
    English
    Words:
    34,320
    Chapters:
    8/?
    Comments:
    153
    Kudos:
    646
    Bookmarks:
    123
    Hits:
    5086

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