1 - 20 of 1502 Works in Ecto-Penis (Undertale)

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  1. Tags
    Summary

    When Sans starts opening portals to alternate universes, he finds some interesting friends and some rather dangerous ones as well. Not everybody gets along, but what happens when you take four groups of people from completely different backgrounds and shove them all together? Step into this story to find out.

    A cross-AU shipping party that will eventually become smut induced love/angst/fluff fest. READ THE TAGS, enjoy the story.

    Language:
    English
    Words:
    162,947
    Chapters:
    23/?
    Comments:
    346
    Kudos:
    344
    Bookmarks:
    54
    Hits:
    6542
  2. 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 those pesky memories of yours.

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

    **Updates are ever Friday at 12PM EST!

    Language:
    English
    Words:
    14,729
    Chapters:
    4/?
    Comments:
    2
    Kudos:
    14
    Bookmarks:
    5
    Hits:
    252
  3. Tags
    Summary

    Monsters have been living on the surface now for three years and it's time for your elementary school to integrate. Though you don't begrudge the little weirdos their education, things aren't easy.

    First of all, hate groups are targeting the school left and right.

    Secondly, the new skeleton janitor is keeping a judgmental eye on you constantly.

    Third - one of the new students seems to be a human called Frisk, and you're not quite sure how they got adopted by this monster family...

    -----------
    Updates each Friday!

    Series
    Language:
    English
    Words:
    41,937
    Chapters:
    18/?
    Comments:
    111
    Kudos:
    349
    Bookmarks:
    67
    Hits:
    5504
  4. Tags
    Summary

    You needed a summer job and a place to stay for a while you weren't very good with having lots of money but lucky one of your closest friends who was wealthy and better yet wanted you and your other friend to help her out with a job in her Mansion that was now full of skeletons? Your two friends knew a lot about monsters now you didn't mind them coming to the Surface but you were quiet scared of skeletons... oh boy this will be fun will you face your fears and not let your friends down?
    Editor: XxCrazyxX

    (ft UnderTale, UnderFell , UnderSwap, G Sans and Papyrus, SwapFell, ReaperTale, HorrorTale and Mafia/MobTale )
    might add more AUs in future chapters XD see how the story goes

    Language:
    English
    Words:
    143,820
    Chapters:
    59/?
    Collections:
    1
    Comments:
    96
    Kudos:
    300
    Bookmarks:
    54
    Hits:
    7665
  5. Tags
    Summary

    Rei is a man with many secrets and is known by many names.

     

    He is the soul of Patience.

    Language:
    English
    Words:
    5,725
    Chapters:
    4/?
    Comments:
    1
    Kudos:
    12
    Bookmarks:
    4
    Hits:
    92
  6. Tags
    Summary

    A nun for a grandmother, a priest for a father, a preacher for a mother, homeschooled until your teens, and sent to a religious college for your degree, it's no wonder you can't process what's happening before you.

    There's beauty in being protected from the harshness of the world, but doing so to the point where you've become the most bland and prude woman out of your friend group is something else entirely.

    Yeah, you learned what Halloween was by your first year in college, but seeing a monster in any context beyond horror has its consequences now. You never understood the appeal of supernatural romances. And you never understood the appeal of this 'Skellington' guy your friends raved about on Halloween — Christmas, too.

    So when a gang of monsters looking straight out of a 90s cartoon shows up in your office, adapting obliges.

    There's one you compare to that 'Skellington' guy, whose name you'd rather not mention much as you begin to have somewhat… indecent dreams of, few months into knowing him.

    Until fate kicks your ass and brings you to a circumstance where you end up having to let him stay at your home, and where you wake him up one night by saying his name during your sleep.

    Language:
    English
    Words:
    4,389
    Chapters:
    2/?
    Comments:
    4
    Kudos:
    20
    Bookmarks:
    5
    Hits:
    180
  7. Tags
    Summary

    This is a One-shot collection! Feel free to send ideas!
    A lot of possibly heavy content and graphic descriptions of very explicit things so be warned!
    No minors allowed.

    Language:
    English
    Words:
    12,147
    Chapters:
    6/?
    Comments:
    26
    Kudos:
    264
    Bookmarks:
    24
    Hits:
    5114
  8. Tags
    Summary

    You spend your days reading and making deliveries for your carrier job, life is pretty normal. Weeeell, that's until you meet some well dressed skeleton brothers under..... uncomfortable circumstances. But that's alright! You'll work hard to make up for past mistakes. Relationships may grow although, someone might get a little "handsy" in the future. Welcome to my very first fan fic, but certainly not the last ;3

    Language:
    English
    Words:
    45,953
    Chapters:
    14/?
    Comments:
    18
    Kudos:
    77
    Bookmarks:
    10
    Hits:
    1955
  9. Tags
    Summary

    Cross is still new to the whole Nightmare Gang, trying to learn where he belongs. After a solo mission gone wrong he comes back to the castle and Nightmare calls him for a meeting. What lies behind the door?

    Language:
    English
    Words:
    10,497
    Chapters:
    1/1
    Comments:
    3
    Kudos:
    92
    Bookmarks:
    17
    Hits:
    477
  10. Tags
    Summary

    It was a nightmare for you before you finally left the mansion. Heather had them all wrapped around her finger and made your life hell. At least you finally got away.

    Then three years later you see on the news- the mansion was used for monster trafficking. The darker parts of society in other countries were always looking to get their hands on a monster to study.

    With the autonomy Sans was afforded by monster society, royal guards and police never suspected the mansion was where monsters were being kept imprisoned after being kidnapped. A bloody and violent escape attempt finally exposed the secret. Now all the monsters imprisoned are free, including the skeletons who were chained for two years.
    You want nothing to do with it, but there was one skeleton you did care for- Mutt. His brother was dead and who knew what traumas he faced in the mansion. He helped you get on your feet when you left. He was there when you needed him and it was time to return the favor, regardless of who else you might meet...

    Language:
    English
    Words:
    36,472
    Chapters:
    13/?
    Comments:
    340
    Kudos:
    787
    Bookmarks:
    186
    Hits:
    13139
  11. Tags
    Summary

    You ran away. You couldn't face your dark past, it was to much for you. You moved to Ebott City to start a new life. Swearing off friends and relationships all together. Or so you thought...Two skeleton brothers move in next to you. You can't help but be drawn into them. Will you let them in to help you with your haunting past? or will you run again when your past catches up to you?

    Language:
    English
    Words:
    78,828
    Chapters:
    45/?
    Comments:
    372
    Kudos:
    807
    Bookmarks:
    132
    Hits:
    16524
  12. Tags
    Series
    Language:
    English
    Words:
    3,811
    Chapters:
    15/?
    Comments:
    6
    Kudos:
    26
    Bookmarks:
    3
    Hits:
    1940
  13. Tags
    Summary

    Prequel to Omega's Respite

    When the Underswap skeletons make it to the surface, Stretch is not at all impressed with the taller Fell brother. Sparks fly in between them, but can they sort out their differences and learn to appreciate each other?

    In the meantime, Sans is infatuated with his friend, the other Fell brother, Red. But Red is wrapped up in his own bad coping skills, and doesn't want anything more than a fuck buddy. How will Sans get Red to open up more and give real romance a try?

    Series
    Language:
    English
    Words:
    104,139
    Chapters:
    14/?
    Comments:
    154
    Kudos:
    61
    Bookmarks:
    11
    Hits:
    2478
  14. Tags
    Summary

    Life is hard; it's easy to remember something like that thanks to the small but important fact that life loves to constantly remind you how lucky you are, people who know you would normally tell you one ‘you’re lucky’ or ‘you were born under a good star’ or your personal favorite one ‘lucky as a rabbit's foot!’.

    But you've never felt special or remarkably lucky in any area of life.

    There are people who are born with good luck…

    There are others who are lucky to be born…

    And you, in your humble personal opinion, you're the second case… you're lucky to have been born and survived, you're lucky to still alive, you are super lucky to have a healthy body to work from dawn to dusk to help your family to survive.

    Language:
    English
    Words:
    10,429
    Chapters:
    2/?
    Comments:
    18
    Kudos:
    31
    Bookmarks:
    10
    Hits:
    526
  15. 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:
    59,746
    Chapters:
    11/?
    Comments:
    139
    Kudos:
    585
    Bookmarks:
    108
    Hits:
    9589
  16. Tags
    Summary

    Nightmare is more than just a bad guy. He and his poly protect others, too. Maybe they can help Blue out of a bad situation.

    Series
    Language:
    English
    Words:
    26,106
    Chapters:
    21/?
    Comments:
    372
    Kudos:
    521
    Bookmarks:
    69
    Hits:
    12086
  17. Tags
    Summary

    𝘛𝘩𝘦 𝘵𝘢𝘭𝘭𝘦𝘳 𝘴𝘬𝘦𝘭𝘦𝘵𝘰𝘯 𝘸𝘢𝘴 𝘴𝘵𝘢𝘯𝘥𝘪𝘯𝘨 𝘵𝘩𝘦𝘳𝘦, 𝘧𝘪𝘷𝘦 𝘧𝘦𝘦𝘵 𝘧𝘳𝘰𝘮 𝘩𝘪𝘴 𝘢𝘴𝘴𝘪𝘴𝘵𝘢𝘯𝘵, 𝘢𝘯𝘥 𝘵𝘩𝘦 𝘭𝘢𝘵𝘵𝘦𝘳 𝘴𝘵𝘪𝘭𝘭 𝘥𝘪𝘥𝘯'𝘵 𝘯𝘰𝘵𝘪𝘤𝘦 𝘩𝘪𝘮. 𝘎𝘢𝘴𝘵𝘦𝘳 𝘤𝘰𝘶𝘭𝘥 𝘣𝘢𝘳𝘦𝘭𝘺 𝘮𝘰𝘷𝘦, 𝘣𝘶𝘵 𝘩𝘦 𝘶𝘴𝘦𝘥 𝘵𝘩𝘦 𝘭𝘪𝘵𝘵𝘭𝘦 𝘱𝘢𝘳𝘵 𝘰𝘧 𝘩𝘪𝘴 𝘮𝘪𝘯𝘥 𝘵𝘩𝘢𝘵 𝘸𝘢𝘴 𝘴𝘵𝘪𝘭𝘭 𝘸𝘰𝘳𝘬𝘪𝘯𝘨 𝘢𝘴 𝘪𝘯𝘵𝘦𝘯𝘥𝘦𝘥 𝘵𝘰 𝘥𝘰 𝘵𝘩𝘦 𝘣𝘦𝘴𝘵 𝘵𝘩𝘪𝘯𝘨 𝘩𝘦 𝘤𝘰𝘶𝘭𝘥 𝘵𝘩𝘪𝘯𝘬 𝘰𝘧: 𝘨𝘦𝘵 𝘤𝘭𝘰𝘴𝘦𝘳.

    Language:
    English
    Words:
    1,029
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    15
    Bookmarks:
    2
    Hits:
    278
  18. Tags
    Summary

    Y'all request it, I write it. Filthy drabbles of any variety in the Undertale world.

    First up: Nightmare just wants five minutes alone to take care of himself, is that too much to ask?
    Yes. Yes it is.

    Language:
    English
    Words:
    66,392
    Chapters:
    10/?
    Comments:
    93
    Kudos:
    160
    Bookmarks:
    27
    Hits:
    3388
  19. Tags
    Summary

    The more detailed and explicit version of Chapter 16 of my fic, With Small Accommodations.

    Series
    Language:
    English
    Words:
    4,349
    Chapters:
    1/1
    Comments:
    5
    Kudos:
    29
    Bookmarks:
    3
    Hits:
    648
  20. Tags
    Summary

    You started to believe that meeting a skeleton monster named Sans was a work of fate. How far are you willing to go just to prove your LoVe?

    Language:
    English
    Words:
    28,065
    Chapters:
    5/?
    Comments:
    23
    Kudos:
    70
    Bookmarks:
    20
    Hits:
    1678

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