1 - 20 of 43 Works in Heart Sex (Undertale)

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  1. Tags
    Summary

    Who'd expect flowers to attract danger, pain and monsters? Not Emily, no, but that's what she got after she started working as an assistant shop keeper and florist at the "A Dozen Daisies For You" flower shop. Her dream job turned into a walking nightmare dominated by mobsters and monsters, and all because one of them couldn't keep his filthy hands off her.

    Language:
    English
    Words:
    35,669
    Chapters:
    4/?
    Comments:
    48
    Kudos:
    121
    Bookmarks:
    34
    Hits:
    1346
  2. Tags
    Summary

    It was a difficult task to find your soulmate, especially after monsters were free from the underground, double that once monsters from other dimensions started getting stuck here after coming through rifts. Sans had... a very strange connection with other versions of himself. Being the original, he stayed as far away as possible from everyone else, including people he knew and cared about.

    After years of trying to get his brother out of the house to try and socialize again, and at least meet with the new monsters from the rifts, and with no luck, Papyrus takes things into his own hands. Finally he gets his brother out with a little trickery, and hopeful that his brother would make a new friend.

    Nothing goes as planned.

     

    A rp between Fineapplequeen (Queenie) and ShadowHunter1215 (Auntie), Queenie as Sans, Auntie as Red.

    Updating every Thursday : )

    Language:
    English
    Words:
    146,715
    Chapters:
    26/?
    Comments:
    78
    Kudos:
    205
    Bookmarks:
    35
    Hits:
    3312
  3. Tags
    Summary

    Dean is captured, after an epically bad fight with Sam, and tortured horrifically, cruelly, his body and soul broken and laid bare. Bobby is alive and worried to death... And Cas?

     

    Well, someone has HIS Dean.

    HIS.

    DEAN.

    Heaven and Hell hath no fury like a pissed off Castiel.

     
    Whump. Gratuitous Dean whump. Some Cas whump too, I guess? Mainly emotional whump because he worries about Dean.
     

     This is Dean's journey. From rock bottom, on death's door to happy and healthy and loved.

    It's just gonna take awhile.

     

    AUTHOR SUCKS ASS AT SUMMARIES.

    Series
    Language:
    English
    Words:
    60,515
    Chapters:
    18/?
    Comments:
    251
    Kudos:
    312
    Bookmarks:
    62
    Hits:
    10207
  4. Tags
    Summary

    Gaster decides to test the importance of intent in monster sexuality.

    Language:
    English
    Words:
    81,316
    Chapters:
    29/?
    Collections:
    1
    Comments:
    646
    Kudos:
    691
    Bookmarks:
    85
    Hits:
    25769
  5. Tags
    Summary

    Edentale Twin Sanses dealing with a lot of confused feelings after spending years apart.
    Loosely based on pictures you can find here: Clicky clicky
    It was meant to be a drabble, but I failed massively XD

    Language:
    English
    Words:
    6,502
    Chapters:
    1/1
    Comments:
    6
    Kudos:
    41
    Bookmarks:
    3
    Hits:
    450
  6. Tags
    Summary

    So, all in all? It’s best that Lup took that hit. Better to lose her corporeal form than lose her brother, that wasn’t even a question. Barry would still like to be able to hold her. To kiss her. To press his mouth to her neck. To hear her gasp. To feel her shudder underneath him. To be pushed back down, onto the bed, to see her grin flashing over him in the darkness and —

    Yeah.

    Language:
    English
    Words:
    3,647
    Chapters:
    1/1
    Comments:
    9
    Kudos:
    159
    Bookmarks:
    10
    Hits:
    1327
  7. Tags
    Summary

    Not everything is as happy as it should be. The Human world differs greatly from that of the Underground; especially as Monsters and Humans learn to coincide. Scuffles happen, characters grow up & mature. Reality hits, and sometimes things get broken.

    Language:
    English
    Words:
    29,579
    Chapters:
    10/12
    Comments:
    109
    Kudos:
    178
    Bookmarks:
    21
    Hits:
    3333
  8. Tags
    Summary

    Kink based one shots for the month of October whenever. Please make sure to read the info at the beginning of each chapter for tags and warnings.

    Language:
    English
    Words:
    47,690
    Chapters:
    16/31
    Comments:
    86
    Kudos:
    305
    Bookmarks:
    36
    Hits:
    10860
  9. Tags
    Summary

    You're dead. You're also a result of reincarnation. A Monster, an elemental. You're in the world of Undertale, or at least you thought so before the fall of the Royal family. A writer, a parent, a fiery butthole to your enemies.
    You're name is Grillby, and you're a flaming purple Monster.

    Language:
    English
    Words:
    5,470
    Chapters:
    4/?
    Comments:
    3
    Kudos:
    46
    Bookmarks:
    8
    Hits:
    373
  10. Tags
    Summary

    Just a typical date night with Grillby, nothing new.

    No need to beware before you enter in or anything.

    It isn't like there are any sins happening in here, move along...

    Language:
    English
    Words:
    3,028
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    159
    Bookmarks:
    13
    Hits:
    3255
  11. Tags
    Summary

    On a whim, you decided to change your life and its lead you all the way here to the Underground. Monsters, magic and love--and a fiery bartender are going to make you happy for the change.

     

    Grillby/Reader one-shot

    Language:
    English
    Words:
    5,618
    Chapters:
    1/1
    Comments:
    19
    Kudos:
    238
    Bookmarks:
    20
    Hits:
    2815
  12. Tags
    Summary

    Edge (Underfell Papyrus), seeking to give up control to someone he trusts, even for a short time, allows Rus (Underswap Papyrus) to bind him and cut off his senses.

    Series
    Language:
    English
    Words:
    1,103
    Chapters:
    1/1
    Comments:
    8
    Kudos:
    38
    Bookmarks:
    3
    Hits:
    629
  13. Tags
    Summary

    Well here’s my first kinktober or my excuse to white out my own Occulttale Sans/Runix to various pairings/kinks.

    Language:
    English
    Words:
    17,943
    Chapters:
    1/1
    Comments:
    71
    Kudos:
    27
    Bookmarks:
    4
    Hits:
    1230
  14. Tags
    Summary

    Fontcest/Sancest/Papcest pairings with different kinks each day. Each day has their own kink(s) from a list!

    I will add tags as I post chapters. Chapters are of varying length. Always mind the tags please.

    Leave a kudos and comment, it really helps encourage me <3

    Language:
    English
    Words:
    37,343
    Chapters:
    31/31
    Comments:
    272
    Kudos:
    399
    Bookmarks:
    38
    Hits:
    14893
  15. Tags
    Summary

    Standing on the edge of a waterfall, you contemplate your life and what brought you to this point. You had always been told that obeying and doing what you were told meant things would go well for you.

    However, being titled the good girl, you were sure of one thing; that was a lie.

    Language:
    English
    Words:
    27,943
    Chapters:
    5/5
    Comments:
    117
    Kudos:
    232
    Bookmarks:
    37
    Hits:
    4349
  16. Tags
    Summary

    It's been about a year since the barrier fell. The monsters are joining the humans. While some humans accept them there are many that dislike monsters and will cause problems for monsters and their supporters. Reader is a female age 25, who lives in an apartment alone, when reader has a fateful encounter at the dog park while taking their curious pet for a day out.

    Language:
    English
    Words:
    119,379
    Chapters:
    32/?
    Collections:
    2
    Comments:
    218
    Kudos:
    398
    Bookmarks:
    71
    Hits:
    8914
  17. Tags
    Summary

    just a bunch of ficlets that I jot down when the mood strikes me. Multi pairings, multi fandoms.

    Language:
    English
    Words:
    1,904
    Chapters:
    3/?
    Kudos:
    8
    Hits:
    151
  18. Tags
    Summary

    For the longest time, this universe could only experience two timelines, bouncing back and forth between them with each Reset. But then one day, a human appeared at the end of a timeline. A skeleton then told her to "press the button" because this timeline was already ending differently, so why the hell not?

    Underfell AU
    Switches Between 2nd and 3rd POV

    THIS STORY IS FINISHED!
    Make Sure to Check Out the Sequel!

    Language:
    English
    Words:
    53,246
    Chapters:
    49/49
    Collections:
    1
    Comments:
    602
    Kudos:
    724
    Bookmarks:
    87
    Hits:
    13042
  19. Tags
    Summary

    PART ONE Your senior year is going to be spent at Dreemurr University. As if that wasn’t stressful enough, you’ve been hearing scary stories about a man who haunts the halls. You find out these stories are (mostly) true. He’s a gentle giant that takes care of you.

    Violet Hill: Chapters 1 - 24
    Sunset Boulevard: Chapters 26 - 38
    Strawberry Avalanche: Chapters 39 -X

    PART TWO Now you and he have made promises that are getting harder and harder to keep. Gaster’s sole focus is protecting those that are still here, but you are persistent on reuniting the King and Queen of Monsters with their only child.

    PART THREE All of what you’ve worked for has finally come together. What could possibly destroy this world and take it all away?

    NSFW Chapter #: 15, 26

    Series
    Language:
    English
    Words:
    103,489
    Chapters:
    45/?
    Comments:
    81
    Kudos:
    303
    Bookmarks:
    36
    Hits:
    9326
  20. Tags
    Summary

    A Choose-Your-Own-Adventure-styled fanfic made as a Birthday Present for my boyfriend, the Monster Girl Examiner!

    Started 08/24/16 and finished on 12/24/16.

    26 Bad Endings.
    5 Secret Bad Endings.
    2 Normal Endings.
    1 True Ending.

    Can you find them all? 8^y


    The Session is at its end, John's about to let everyone through the Door to the New Universe, when something horrible happens. Rose, Karkat, Roxy, Dave and him are cast to a strange, perverse Land, and now they have to find a way to get to the new Universe, if it even exists anymore.

    Dozens of alternate paths that may lead to a Bad End, a story full of all sorts of depravity and Monster Girls plowing a group of five silly through various scenarios! Each chapter with a sex scene has the Kinks tagged on the notes at the beginning, so if you don't enjoy a particular kink, you can go ahead and skip that chapter. There's something for everyone here!

    **UPDATE**

    Added a link to an HTML, CYOA-version of this fic a friend of mine did on the first chapter's summary, feel free to check it out and thank them for their work!

    Language:
    English
    Words:
    176,800
    Chapters:
    100/100
    Comments:
    183
    Kudos:
    616
    Bookmarks:
    90
    Hits:
    93273

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