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  1. Public Bookmark 11

    Calcination Syndrome by

    Fandoms: Undertale (Video Game), Underfell - Fandom  

    17 May 2026

    Tags
    Summary

    Calcination: The process of heating a substance just below melting point to induce change in physical and chemical properties, to remove impurities and ensure specific reactions and outcomes...

     

    Grillby has a perfectly normal attraction to his long-time friend and nightly regular at his bar, Sans. He's been dying for a chance to act on that attraction but keeps backing-out before he can follow-through. After patiently biding his time for the perfect moment he finally makes his move.

    Sans is contently unattached to anyone romantically. He has his friends, he has his brother, he has the bar and Grillby's usually quiet but comforting company. What more could he need? He hasn't considered a life outside of living with his brother and the occasional random hook-up to blow off steam. Sure, he's noticed Grillby, he's not blind after all. But from the outside looking in, it's always felt like Grillby was just as happy being single as Sans is. Being a single dad, even with a grown kid, probably changes your standards for a partner anyway. Well, until Grillby kidnaps him that is.

    Waking up chained to a bed kind of changes your perception of a guy.

    Language:
    English
    Words:
    117,077
    Chapters:
    17/?
    Comments:
    85
    Kudos:
    127
    Bookmarks:
    11
    Hits:
    4,170
    Bookmarked by Anvypie

    26 Jun 2026

  2. Public Bookmark 11

    'Pets' of Nightmare & Crew(+Error probably) by

    Fandoms: Undertale AU - Fandom, Undertale (Video Game)  

    09 Jan 2022

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    Summary

    Nightmare and his Crew 'recuit'(kidnap) some people to use as their 'pets' and pets can be a multitude of uses, from cleaning rooms and the grounds to helping with heats. Each one has a certain branding to their pets and take care of them really good despite needing to break them either a little or a lot so they never run away from the crew.

    If already broken, they like to keep them and help them actually get a personality, they like breaking people but not to not having a personality, just that they can never go home because often than not, the pets come from universes that were destroyed by Error for the Multiverses' Safety.

    Series
    Language:
    English
    Words:
    3,850
    Chapters:
    2/?
    Comments:
    10
    Kudos:
    145
    Bookmarks:
    11
    Hits:
    3,694
    Bookmarked by Anvypie

    11 Jun 2026

  3. Public Bookmark 17

    Apt Pupil by

    Fandoms: Batman - All Media Types, Batman (Comics), Batman: The Animated Series  

    01 Feb 2026

    Tags
    Summary

    "One does not become enlightened by imagining figures of light, but by making the darkness conscious."
    — C.G. Jung

    To his students at Gotham State, Dr. Jonathan Crane presents a world class curriculum—filtered through his chilling obsession. After hours, he puts theory into terrifying practice. The mediocrity of his students makes his day job a thankless endeavor–until her.

    Molly Randall.

    When a brutal assault leaves Molly broken and the system indifferent, Crane extends a chilling invitation: the power only borne of terror. His guidance soon fuels a precise and terrible revenge, an act that cracks open Molly's carefully constructed world and pulls her into his realm, where fear reigns supreme.

    Is he the serpent offering liberation through sin, or merely another predator whispering false promises?
    Can she resist when damnation feels so much like desire? Like *power*?

    Language:
    English
    Words:
    100,345
    Chapters:
    26/?
    Comments:
    172
    Kudos:
    105
    Bookmarks:
    17
    Hits:
    2,870
    Bookmarked by Anvypie

    21 May 2026

  4. Public Bookmark 7

    Mistletoe by

    Fandoms: Undertale (Video Game)  

    25 Dec 2024

    Tags
    Summary

    A little Christmas one-shot requested on my tumblr!

    It's the monsters first Christmas on the surface, so of course the royal family had to go all out. If only Sans could gather up enough courage to confess to the human friend he's been pining for...

    This is pure sweetness <3

    Language:
    English
    Words:
    1,810
    Chapters:
    1/1
    Comments:
    8
    Kudos:
    59
    Bookmarks:
    7
    Hits:
    459
    Bookmarked by Anvypie

    20 May 2026

  5. Public Bookmark 69

    28 Days of Smut by

    Fandoms: Undertale (Video Game), Underfell - Fandom  

    22 Feb 2019

    Tags
    Summary

    Originally inspired by a request to show the different zones of the Bone Zone from Tomorrow Might Bleed (yes, from that long ago!), the idea was put on the back burner, then put through the idea ringer to become a fun, self-indulgent way to celebrate the month of the love!

    Prompt based
    No real plot, just 28 Chapters of sexy times (or talks of sexy time, or talks that sort of need to happen to ensure sexy times later).
    Updates daily, twice on Monday and Friday
    Underfell and Undertale

    Language:
    English
    Words:
    29,422
    Chapters:
    28/28
    Comments:
    96
    Kudos:
    663
    Bookmarks:
    69
    Hits:
    27,243
    Bookmarked by Anvypie

    20 Feb 2026