1 - 20 of 2069 Works in Ecto-Genitalia (Undertale)

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  1. Tags
    Summary

    With no memory of how it happened, Error struggles with his new situation with help from friends and family, old and new. He wants to know what happened even though he's already accepted it while other's wish to commit murder. Did Error get drunk? Was he drugged? What happened? Error wants answers

    Language:
    English
    Words:
    6,106
    Chapters:
    3/?
    Comments:
    8
    Kudos:
    98
    Bookmarks:
    17
    Hits:
    846
  2. Tags
    Summary

    Nightmare isn’t used to asking for help, it’s not like he’s ever received it when he had asked; but his crew is hurting and dying, and when backed into a corner he’ll do whatever it takes.

    Sans and his mages haven’t really signed up for this crap, until they do.

    Series
    Language:
    English
    Words:
    663,322
    Chapters:
    69/90
    Comments:
    1208
    Kudos:
    343
    Bookmarks:
    53
    Hits:
    15155
  3. Tags
    Summary

    Some thank you drabbles for those who helped me move into my own apartment!

    Language:
    English
    Words:
    4,647
    Chapters:
    8/?
    Comments:
    32
    Kudos:
    60
    Bookmarks:
    7
    Hits:
    934
  4. Tags
    Summary

    After a passionate night with a stranger, Nightmare, pregnant and alone, flees from the multiverse and hides away in the nameless AU his little one was conceived in. Unfortunately, it seems his new home poses just as many risks to his unborn baby as the multiverse.

    This is an amalgamation of a fic and I refuse to be told otherwise. Enjoy.

    Language:
    English
    Words:
    2,841
    Chapters:
    2/?
    Comments:
    83
    Kudos:
    58
    Bookmarks:
    15
    Hits:
    264
  5. Tags
    Summary

    Nightmare hides a secret, but it gets harder to keep down with each time Dream calls her "Brother!"
    How will it go? Who knows?

    Language:
    English
    Words:
    8,136
    Chapters:
    5/11
    Comments:
    82
    Kudos:
    152
    Bookmarks:
    29
    Hits:
    1247
  6. Tags
    Summary

    What's the point of falling in love if at any moment your world can be reset and everything ripped away?

    Language:
    English
    Words:
    17,402
    Chapters:
    5/?
    Comments:
    44
    Kudos:
    58
    Bookmarks:
    7
    Hits:
    774
  7. Tags
    Summary

    Sans breaks the loop of a fight and is hell bent on making the so called 'Player' pay.

     

    I literally wrote this at 3am. Enjoy I guess.

    Language:
    English
    Words:
    1,071
    Chapters:
    1/1
    Kudos:
    6
    Hits:
    118
  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:
    32,867
    Chapters:
    10/?
    Comments:
    9
    Kudos:
    25
    Bookmarks:
    9
    Hits:
    528
  9. Tags
    Summary

    Just one of your generic ABO Island fic, with a bit of a twist of a female skeleton who's tall than all the Sanses yet smaller than all the Papyruses.

    + Thanks for reading! Hope you have enjoyed it so far! +

    Language:
    English
    Words:
    6,558
    Chapters:
    3/?
    Kudos:
    24
    Bookmarks:
    8
    Hits:
    176
  10. Tags
    Summary

    Lust Sans has never been very proud of his AU which is often harshly judged by his fellow San's & Papyrus's. Finally they've reached the happy ending and no more resets, but what excites him even more is now that there's no longer a need for the 'heat injections' he can ask Grillby to officially be his date-mate! Unfortunately it doesn't go as planned and Sans is heartbroken.

    Papyrus and the others convince Sans to come join them at Muffet's new Club/Restaurant named 'Sweets & Treats'. There Sans meets an attractive human male server who offers to be his friend, everything seems like it's looking up but there is something strange about this human...why does he smell like a female?

    (I feel like Underlust is a bit under apricated because of its content, the idea that other AU's look at it differently to is kind of sad. The MC is an original character I created inspired partly by my character in Violentale. There will be a lot of various sexual and potentially triggering content I will try to mark chapters with a * if there is intense sexual content or possibly triggering material in the chapter.)

    ENJOY~

    Language:
    English
    Words:
    9,753
    Chapters:
    5/?
    Comments:
    4
    Kudos:
    35
    Bookmarks:
    14
    Hits:
    589
  11. 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:
    74,235
    Chapters:
    10/?
    Comments:
    133
    Kudos:
    46
    Bookmarks:
    7
    Hits:
    1458
  12. Tags
    Summary

    Blue is dating Ink and Dream and was happy. But over time they got farther and farther apart leaving Blue behind. One day, after they forget Blue again, Nightmare is there to give him what he deserves.

    [IMPORTANT NOTE: This is NOT against poly relationships, if you love and are with two or more consenting partners that's fine, nothing against REAL poly couples. This is a work of FICTION and about a bad poly where one is left out of the other partners outings and made to feel like a third wheel.]

    Series
    Language:
    English
    Words:
    4,488
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    70
    Bookmarks:
    14
    Hits:
    377
  13. Tags
    Summary

    Stretch's first time with a human.
    Nothing more to say..

    Language:
    English
    Words:
    1,383
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    17
    Bookmarks:
    2
    Hits:
    182
  14. Tags
    Summary

    Your kid brother is a baseball player for his high school team and you work odd jobs to save enough money to move you two out of your abusive family home. He turns 18 this year, which means you can finally make the dream a reality!

    You meet a strange skeleton at his first game of the season--why does he make your chest feel warm?

    Will be trying to update every Thursday!

    Series
    Language:
    English
    Words:
    22,308
    Chapters:
    9/?
    Comments:
    77
    Kudos:
    142
    Bookmarks:
    42
    Hits:
    2087
  15. 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:
    17,202
    Chapters:
    14/?
    Comments:
    280
    Kudos:
    374
    Bookmarks:
    56
    Hits:
    7618
  16. Tags
    Summary

    a place to compile the ideas I stole from Twitter that I'm not quite sure warrant a whole book

     
    I'll try my best to link treads on each chapter, and will add tags as I go ^^ I will tag warnings on each chapter as well!!

    Language:
    English
    Words:
    4,539
    Chapters:
    2/?
    Comments:
    3
    Kudos:
    76
    Bookmarks:
    13
    Hits:
    864
  17. Tags
    Summary

    Monsters from different AUs are coming to the surface one at a time. The Tales open their home to the Swaps when they come until they can get on their feet. When the Horrors arrive, some time later, the Swaps decide to take them in just as the Tales did for the Swaps but things don't go as planned for them (both in good ways and bad).

    Sans ends up offering to help even as he is slowly falling.

    Series
    Language:
    English
    Words:
    11,844
    Chapters:
    2/?
    Comments:
    6
    Kudos:
    37
    Bookmarks:
    6
    Hits:
    230
  18. Tags
    Summary

    A science experiment created by humans (Y/n) Knows little of her own kind, and little of the world from hiding with her human family. When the barrier breaks and monsters integrate with society (Y/n) sees this as her chance to have a normal life. When she finally sees another skeleton who's to say what may happen?

    Language:
    English
    Words:
    51,139
    Chapters:
    24/?
    Comments:
    177
    Kudos:
    570
    Bookmarks:
    114
    Hits:
    13684
  19. Tags
    Summary

    Normal. That was your life.
    9 to 5 job, a few close friends, a slight addiction to tea, normal parents. Nothing out of the ordinary. Normal as normal can be.

    Until someone decides you're not.

    Surviving cruel and harsh experiments, you are now left with the job of trying to live again.

    With your saviours help you'll learn how to navigate a new culture, learn how to use your magic, lie well enough to appear like a normal monster and most importantly, find someplace that makes a decent cup of tea.

    But beware the shadows, you never know who may be watching. Waiting. Ready to take you back.

    After all, you're no longer normal. You're 'Perfect'.

    Language:
    English
    Words:
    129,772
    Chapters:
    18/?
    Comments:
    468
    Kudos:
    612
    Bookmarks:
    144
    Hits:
    11640
  20. Tags
    Summary

    Ink is nothing without Error and Error is nothing without Ink.

    A take on all the multiverse and how they came to be while also trying to understand the importance of communication and feelings. Aka Ink and Error are Dream's and Nightmare's parents in this one. Enjoy.

    Mind the tags! I keep adding to them.

    Language:
    English
    Words:
    161,641
    Chapters:
    41/?
    Comments:
    206
    Kudos:
    233
    Bookmarks:
    31
    Hits:
    5080

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