1 - 20 of 1018 Works in Ecto-Genitalia (Undertale)

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  1. Tags
    Summary

    Bunny!Stretch, a.k.a. Carrots, goes with Blueberry to see the Fell foxes, and comes to regret it very much.
    (A sequel to Bluebunny Cherryberry)

    Series
    Language:
    English
    Words:
    22,359
    Chapters:
    8/?
    Comments:
    46
    Kudos:
    64
    Bookmarks:
    8
    Hits:
    1132
  2. Tags
    Summary

    Stretch's pet octoskele Hickory has a surprise for him.

    Language:
    English
    Words:
    4,479
    Chapters:
    2/2
    Comments:
    17
    Kudos:
    48
    Bookmarks:
    4
    Hits:
    369
  3. Tags
    Summary

    Sans visits a different timeline out of pure curiosity.
    The fact his heat was literally just around the corner just slipped his mind.

    Language:
    English
    Words:
    1,501
    Chapters:
    2/?
    Comments:
    9
    Kudos:
    19
    Bookmarks:
    6
    Hits:
    205
  4. Tags
    Summary

    Five weeks apart and the fear of a disappointed partner results in a very wrong way to eat cake.

    Language:
    English
    Words:
    2,268
    Chapters:
    1/2
    Comments:
    2
    Kudos:
    10
    Hits:
    104
  5. Tags
    Summary

    Sans tries to go back in time to before his brother is killed. He ends up in the Underfell universe and bites off a lot more than he can chew.
    [Note: noncon/dubcon warnings do not apply to any fontcest relationship]

    Language:
    English
    Words:
    73,076
    Chapters:
    14/?
    Comments:
    304
    Kudos:
    455
    Bookmarks:
    73
    Hits:
    7112
  6. Tags
    Summary

    Monsters were never sealed Underground, and as a result, magic and technology have since intertwined. After the incident with his brother Sans begins to lose himself in his work, and eventually, settles on obtaining a 'Companion' to help fill the void in his life. However, his new addition to his life doesn't really seem like any other mechanical assistant that he has ever encountered before, and the more that he learns about her the madder he gets, and the deeper down the rabbit hole he goes...
    After all.

    We're all mad here.

    Series
    Language:
    English
    Words:
    46,784
    Chapters:
    5/?
    Comments:
    86
    Kudos:
    92
    Bookmarks:
    15
    Hits:
    1609
  7. Tags
    Summary

    Things have begun to change in a way that makes pretending futile and uncertainty abundant. Our heroes now have to face each other, as they have been facing themselves. There is no where to hide anymore.

    Series
    Language:
    English
    Words:
    69,402
    Chapters:
    18/19
    Comments:
    43
    Kudos:
    68
    Bookmarks:
    4
    Hits:
    1385
  8. Tags
    Summary

    You take a load off sans.

    Language:
    English
    Words:
    5,257
    Chapters:
    2/2
    Comments:
    9
    Kudos:
    118
    Bookmarks:
    15
    Hits:
    1198
  9. Tags
    Summary

    you're at work and try to visit your bf, but he's got different intentions when you find him

    Language:
    English
    Words:
    1,555
    Chapters:
    1/1
    Kudos:
    20
    Bookmarks:
    1
    Hits:
    303
  10. Tags
    Summary

    Papyrus and his brother may be happy together and living on the surface, but there is one issue that he finds unbelievably puzzling.
    A Commission for Sinsandlustzone based on >> THIS << amazing picture!
    See also: some awesome fanartof the mirror scene by @EzekielsSinbin

    Language:
    English
    Words:
    2,835
    Chapters:
    1/1
    Comments:
    16
    Kudos:
    103
    Bookmarks:
    12
    Hits:
    536
  11. Tags
    Language:
    English
    Words:
    1,534
    Chapters:
    1/1
    Kudos:
    3
    Hits:
    64
  12. Tags
    Summary

    The barrier had been destroyed, monsters set free from their century-long prison. They had freedom at long last, and yet Monsterkind was slow to accept this truth. The idea of freedom after so long was almost surreal- But there were still the few monsters that wanted to go, to see just what their beautiful world came to become. After a long discussion between the great king, accompanied by his great advisor, and the officials of the cities closest to the great mountain that hid the monsters away, Monsterkind was given the opportunity to grow under the warm sun, within the safety of foster homes.
    But that is not all- The barrier dropping released concentrated magic back into the world. For those humans who descended from monsters, it poses an interesting problem when long dormant magical genes and cells are reactivated violently. Humans and monsters really aren't all that different.

    Book 1: Chapters 1-75.

    Book 2: 76-???

    Language:
    English
    Words:
    948,220
    Chapters:
    125/?
    Comments:
    1056
    Kudos:
    452
    Bookmarks:
    56
    Hits:
    15992
  13. Tags
    Summary

    All the NSFW Frans I've posted on my Tumblr and never got up here til now! Hope you guys enjoy, and mind the tags!

    Language:
    English
    Words:
    35,921
    Chapters:
    31/?
    Comments:
    136
    Kudos:
    316
    Bookmarks:
    30
    Hits:
    12668
  14. Tags
    Summary

    You are Sentinel, a human involved with the monster mob for the last year of your life. It's taken that time to gain the trust of Boss, Undyne, Grillby, and the rest of the monsters, the only human included in their inner circle. But this only makes you a bigger target to the rival clans and mobs. Someone is working to force the monsters back to the Underground, the prison of their once and former King, and will stop at nothing to do it.

    You'd give your very Soul to keep it from happening.

    - Every other day updates. Reader is nicknamed and gender neutral pronouns used where necessary -

    Series
    Language:
    English
    Words:
    28,583
    Chapters:
    34/?
    Comments:
    219
    Kudos:
    159
    Bookmarks:
    30
    Hits:
    3625
  15. Tags
    Summary

    This is on my Wattpad but since I felt like putting it here I did.

     

    I need serious help

    Language:
    English
    Words:
    3,290
    Chapters:
    15/?
    Comments:
    62
    Kudos:
    191
    Bookmarks:
    2
    Hits:
    7777
  16. Tags
    Summary

    "Alex is this bad-ass motherfucker who totally does NOT have her shit together. She's snarky, kind of a bitch, and drinks a bit too much and ends up contemplating the thought of boning the small skeleton. Stuff goes down. You will laugh, cry and likely throw your fic-reading device of choice across the room. Enjoy!"
    Smut Chapters are marked with * and the actual smut scene in the chapter is always skippable!

    Series
    Language:
    English
    Words:
    168,194
    Chapters:
    77/77
    Comments:
    2032
    Kudos:
    1209
    Bookmarks:
    162
    Hits:
    28476
  17. Tags
    Summary

    Red isn't good at this whole 'relationship' thing, and Blue isn't sure why he keeps disappearing...
    Cherryberry Comission for @MeisterEule for @Alexins

    Language:
    English
    Words:
    3,482
    Chapters:
    1/1
    Comments:
    17
    Kudos:
    86
    Bookmarks:
    5
    Hits:
    481
  18. Tags
    Summary

    WHORE
    /hɔː/
    noun
    1.
    a prostitute or promiscuous woman: often a term of abuse
    verb (intransitive)
    2.
    to be or act as a prostitute
    3.
    (of a man) to have promiscuous sexual relations, esp with prostitutes
    4.
    (often foll by after) to seek that which is immoral, idolatrous, etc

     

     

    You met the love of your life at just the age 13, having a sweet baby girl not too long after. 7 Years later you, your darling husband, and your daughter Frisk move into a small town called Underville populated with mostly monsters. The house you're renting out is owned by a monster named Sans Snowdin. He's short, stubby and plain looking to the naked eye, however to you there's something more. You don't know what it is about this guy but you're tempted by him in every way. You have the perfect house and the prefect family.

     

    So why are you fucking around with the landlord?

    Language:
    English
    Words:
    28,346
    Chapters:
    22/?
    Comments:
    291
    Kudos:
    364
    Bookmarks:
    49
    Hits:
    8682
  19. Tags
    Summary

    Sans hasn't paid his tab in quite some time. Grillby takes it upon himself to impress the importance of financial responsibility on him.

    Language:
    English
    Words:
    10,009
    Chapters:
    3/3
    Collections:
    1
    Comments:
    35
    Kudos:
    38
    Bookmarks:
    10
    Hits:
    1628
  20. Tags
    Summary

    You were a special kind of human.
    Different.
    Not only in what you were literally made of but also because of what you had been through.
    Your scars were deep.
    Your soul breaking.
    Toriel has been your lifeline but she has never been able to mend your wounds.
    It has been years since that day- but you still continued to slowly burn.
    You aren't sure if anyone can help you at this point.
    You needed someone who understood you; who could help you become a better person, who could help you grow.

    Language:
    English
    Words:
    61,787
    Chapters:
    10/?
    Comments:
    63
    Kudos:
    191
    Bookmarks:
    30
    Hits:
    2537

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