1 - 20 of 6794 Works in Sans (Undertale)/Reader

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  1. Tags
    Summary

    After Frisk released Monster Kind from their imprisonment within Mt. Ebott, you race to take them back into your arms before the authorities can get involved, permanently removing them from your life. Your quick action thankfully plays in your favor when Toriel, one of the ex-monarchs of Monster Kind, swears to help you with keeping Frisk safe, as long as you can help some of her closest friends get settled into their new life above ground.

    It's fine, for a while.

    Until suddenly you've gained more than you bargained for, with new additions popping up left and right. Skeletons make themselves at home, and alternative versions of your sibling seem to appear out of thin air.

    Only one thing remains certain; you're sure a cup of coffee won't be able to help fix this migraine.

    Language:
    English
    Words:
    24,135
    Chapters:
    9/?
    Collections:
    1
    Comments:
    11
    Kudos:
    143
    Bookmarks:
    41
    Hits:
    1687
  2. Tags
    Summary

    Nightmare sacrifices some of his dignity to comfort and take away a child he found in an au he was visiting while they were crying in their bedroom at night.

    Language:
    English
    Words:
    1,459
    Chapters:
    1/1
    Kudos:
    3
    Bookmarks:
    1
    Hits:
    8
  3. Tags
    Summary

    You are getting set up to go to the University of your dreams but sadly the dorm life isn't what you'd like for studying... so you go looking for an affordable place to stay. Finding an ad in the paper for everything you could want in a place only set back is they are looking for male applicants only... oh and the other tenants are monsters not that you mind. Maybe if you could go in person you can plead your case and oh my goodness they're all skeletons.

    Series
    Language:
    English
    Words:
    73,906
    Chapters:
    16/?
    Comments:
    404
    Kudos:
    1859
    Bookmarks:
    371
    Hits:
    41702
  4. Tags
    Summary

    Being stuck in a loveless relationship always sucks. Being stuck in a loveless relationship with an absuive psychopath is even worse.
    But who knew that the long awaited silver lining would finally arrive in the form of a small group of monsters, especially that one with the blue hoodie.
    Now, if only you didn't carry some secrets of your own, that would threaten that newfound peace.

    Language:
    English
    Words:
    193,777
    Chapters:
    36/?
    Comments:
    383
    Kudos:
    243
    Bookmarks:
    52
    Hits:
    7098
  5. Tags
    Summary

    Hello there Reader! Your name is Dee! And you have just moved back to your hometown of Ebott! Though after 17 years it sure looks different! As you return to your beloved hometown, now a capable 24 year old human being, you can't seem to shake the chill of your past and the effects it's having on your mental state. Oh! But maybe those nice skeleton monsters can help chase away these pesky memories.

    *Reader is an AFAB She/Them. Not your cup of tea then move on. :)

    **Updates are ever Friday or Sunday at 5PM EST!

    Language:
    English
    Words:
    102,479
    Chapters:
    24/?
    Comments:
    112
    Kudos:
    136
    Bookmarks:
    44
    Hits:
    5118
  6. Tags
    Summary

    A year after the barrier fell, you a young psychology and part time lab worker at the college get a new professor/ coworker. A little yellow, shy, dinosaur monster. You two quickly become friends. She invites you out to meet her friend one day and it leads to a storm of events. And quite a bit of anger. Will you fall in love? Will your inquisitive minds questions be answered on souls and if you can use it to further psychology to help people. Or will a certain bone man try and stop you from furthering your field.

    Language:
    English
    Words:
    12,597
    Chapters:
    3/?
    Comments:
    2
    Kudos:
    14
    Bookmarks:
    2
    Hits:
    167
  7. Tags
    Summary

    Each scar spells a story.

    Red's body is a fucking omnibus.

    Series
    Language:
    English
    Words:
    2,668
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    15
    Hits:
    112
  8. Tags
    Summary

    Evalynn never gets what she wants, her parents weren't bad parents, they just weren't around for reasons Evalynn cant understand. She never got a partner, she was way too anxious to even try to flirt with anyone. And not only that, she ALWAYS finds herself in trouble.

    ————————————————————————————————————————————————

    Papyrus constantly got what he wanted. Sure, he didn't have parents, but most of the people he knew didn't, hell, in this shithole parents don't care about their children anyway. He always got any girl he wanted, he had girls kneeling at his doorstep just to have one night with him. And not only that, the barrier broke on his birthday!! He couldn't ask for more!! He ALWAYS got everything. Until the moment he walked out of the underground. There were three other versions of his underground standing there at the same time. Yeah....birthday ruined.

    Language:
    English
    Words:
    3
    Chapters:
    1/4
    Kudos:
    1
    Hits:
    68
  9. Tags
    Summary

    You had long forgotten what you used to be like before the war. Who you were before Sans.

    You had resigned yourself to dying like the rest of the rotting corpses on the battlefield, the glorified title of the "Judge" nothing more than another meaningless name to be forgotten like the rest. Everyone you cared about was dead and gone, and Papyrus no longer looked you in the eye anymore. You were ready for it all to end in a blaze of glory.

    You hadn't anticipated you and your brother to be caught in the crossfires of a malfunctioning machine, bringing you to an alternate, peaceful universe with other versions of yourselves.

    We need more sans!reader fics, so I decided to take things into my own hands and make one. Podfics and fanart welcome!

    Series
    Language:
    English
    Words:
    106,171
    Chapters:
    27/44
    Collections:
    1
    Comments:
    1085
    Kudos:
    1349
    Bookmarks:
    244
    Hits:
    28813
  10. Tags
    Summary

    The monsters are free from the underground, but they didn’t all make it. Papyrus, Sans younger brother is dead, leaving Sans to care for the two children he left behind. After a long night of work Sans finally relents and hires a nanny/housekeeper. Enter you, just another human down on her luck and running from her past. this job seemed like an easy way to pass the time and get paid until your past inevitably catches up to you. At least that’s what you thought until you started developing feelings for one ketchup loving skeleton. Now strange noises are coming from the shed at night and all these new ‘cousins’ keep turning up. Can you help Sans through his grief? What is he hiding? And what is with this new gaggle of skeletons?

    Language:
    English
    Words:
    10,943
    Chapters:
    4/?
    Comments:
    12
    Kudos:
    34
    Bookmarks:
    10
    Hits:
    543
  11. Tags
    Summary

    Nobody is really sure when the world ended; was it when the bombs fell, or was it when we locked a race of sentient beings underground and erased all evidence of them? Since nobody knows about the latter, most would say the former. A single day, over 210 years ago, decimated the planet, and the survivors have been picking up the pieces ever since.

    --

    Mixing two of my special interest together like a mud potion in my backyard, so we'll see where this goes!

    Language:
    English
    Words:
    6,816
    Chapters:
    5/?
    Comments:
    12
    Kudos:
    12
    Bookmarks:
    4
    Hits:
    123
  12. Tags
    Summary

    You, a confident dragon monster and human hybrid, have been enjoying your life of being worry-free since monsters were released from MT. Ebott ...until a peculiar group of skeletons decides to move into a lodge in the same forest as you, immediately pissing you off in more ways than the usual good neighbor would. Traps? Threats? Come on man! Being as stubborn as you are to move, you instead faced the issue head-on by talking to their head honcho.

    You hadn't expected there to be a whole gaggle of skeletons but ya know, what's the worse thing that could happen?

    Language:
    English
    Words:
    1,746
    Chapters:
    2/?
    Comments:
    2
    Kudos:
    24
    Bookmarks:
    6
    Hits:
    227
  13. Tags
    Summary

    5 years passed since the barrier broke.

    And 3 years passed since Sans brought to his timeline other 10 skeletons.

    After so long they're settling fine, most of them have jobs, and who had problems with smoking or drugs or...other things, got help. They're better now, they're a family.

    But then they meet you, in the middle of the forest, scared, wounded and with a lot of secrets.

    Will their care and kindness go through you?

     

     

    ...well, their own way..of kindness

    Language:
    English
    Words:
    6,686
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    22
    Bookmarks:
    11
    Hits:
    153
  14. Tags
    Summary

    Emilie (Reader) is a gentle and kind person who is on the verge of a mental breakdown due to the mistreatment of her boyfriend, Jericho. Manipulative and narcissistic, her boyfriend becomes Papyrus' best friend. She thinks her fall will never end.

    But in the midst of all this emotional fuss, Sans will be like a lifeline in her miserable life.

    Yet, will it be the same for the little skeleton? Will our beautiful girl represent his only salvation or eternal damnation for his lost soul?

     

     

    Part 1 : The end of all things is synonymous with renewal (Chapter 1 to ??)
    Part 2 : Building on a Non-Solid Foundation (Chapters ?? to ??)
    Part 3 : Repenting through a path full of thorns (Chapters ?? to ??)

    Language:
    English
    Words:
    123,765
    Chapters:
    27/?
    Comments:
    308
    Kudos:
    410
    Bookmarks:
    100
    Hits:
    10153
  15. Tags
    Summary

    Monsters arrived to the surface and have been successfully integrated into human society. You are the daughter of Michael Verlin, the Governor of Ebott, and going to college in another city. Everything is fine until your father begins to receive emails and phone calls filled with your personal information and location, threatening to have you killed. Despite your annoyance at having to return home you make the best of it as you meet the queen of Monsters and her lieutenant who appears to have a distaste for humans, or more specifically you.
    Despite his attitude and your annoyance, when you meet his gaze you find yourself drawn in and unable to look away.
    It wouldn't hurt to to talk to him, right?
    What could go wrong?

    Language:
    English
    Words:
    10,615
    Chapters:
    2/?
    Comments:
    20
    Kudos:
    55
    Bookmarks:
    13
    Hits:
    359
  16. Tags
    Summary

    Fluffy slice of life drabbles with you and Sans based on prompts from syven-siren over on Tumblr!

    (I don't know what I'm doing on Tumblr. Below is a link to the reblogged version of the post on my tumblr... It says not to repost. Is this reposting? I have NO IDEA. We're all just doing our best here.)
    Series
    Language:
    English
    Words:
    22,513
    Chapters:
    19/20
    Comments:
    51
    Kudos:
    82
    Bookmarks:
    11
    Hits:
    2358
  17. Tags
    Summary

    After 8 years of not returning underground, Frisk is beaten by his own guilt, until he meets Y/n, where the two are forcefully pushed into an adventure that has everyone's head in a whirl. When a new timeline arises with the help of, four humans and monsters to stop a future Armageddon, who's to say nothing will go wrong?

    Language:
    English
    Words:
    73,168
    Chapters:
    8/?
    Comments:
    25
    Kudos:
    67
    Bookmarks:
    16
    Hits:
    912
  18. Tags
    Summary

    How could something so tragic be so stunningly beautiful? ...
    You could only watch in silent terror from the flat roof of your temporary home. Nails biting into both of your upper arms as you clung to yourself as if it would keep you from slipping away too. There was nothing you could do. Nothing anyone could do to stop this tragedy from unfolding.

    Chaos had descended onto your humble world, erupting from a calming peace and erasing everything in its wake...
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    100% author's way to vent out their pent up need for more Nightmare smut.

    Language:
    English
    Words:
    7,051
    Chapters:
    2/?
    Comments:
    11
    Kudos:
    60
    Bookmarks:
    20
    Hits:
    340
  19. Tags
    Summary

    After the monsters were released, they moved in town with other humans. While one human was murdering monsters, owning a floral shop and babysitting Frisk, a certain skeleton came along.

    Series
    Language:
    English
    Words:
    1,014
    Chapters:
    3/?
    Comments:
    2
    Kudos:
    2
    Hits:
    89
  20. Tags
    Summary

    Sans didn't know who had gotten ahold of their world, who did purely True Pacifist runs several times in a row with no exceptions. Then, they stopped. He understood why when SHE fell down instead of Frisk.
    She had a Kindness SOUL. Of course she did.
    He didn't know how he was lucky enough to meet a Player who actually treated everyone Underground like actual people, let alone be liked and trusted by said Player.
    He wasn't about to lose her.
    Time to fulfill that promise to Toriel and actually keep her safe this time.
    He totally wasn't doing it for selfish reasons.

    Language:
    English
    Words:
    7,314
    Chapters:
    2/?
    Comments:
    12
    Kudos:
    23
    Bookmarks:
    10
    Hits:
    310

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