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  1. Tags
    Summary

    What happens when yn's soul is stolen and fused to a monsters soul from a different universe? Who's monster soul belongs to that of a sans?
    And further gets pulled into comic sans au where yn has to figure out how to give the alternate sans back his body.
    How will yn deal with being kidnapped by alternate sans's and having some of attempt to kill them?
    How will they protect their found family?
    And will they ever realize that one of these alternate sans's has fallen for them?

    Or ~

    Yn fights with skeleton bois and is forced to take care of themselves and the two skeleton bois who have adopted them as their sibling. Fighting an evil scientist and getting into trouble with powerful entities because of different views, how will yn escape and convince their self proclaimed brothers that some bad guys are a little misunderstood.

    (Reader is trans nonbinary and uses they/he pronouns, original Undertale au, Solar and comet who makes reader an honorary sibling. First fanfic, still figuring out how the tags work :/ probably will add more as story continues.)
    (Fic was inspired by Joined at the hip by creepy1109 check them out)

    Language:
    English
    Words:
    18,245
    Chapters:
    5/?
    Comments:
    7
    Kudos:
    26
    Bookmarks:
    12
    Hits:
    349
  2. Tags
    Summary

    -G A S T E R what in tHE FUCK-?!

    Grillby jumped when the bundle suddenly started crying. The skeleton cooed at it, slowly rocking his arms and whispering softly. He then glared at the elemental, decidedly annoyed as his purple hands appeared and started signing.

    -Great, now you've woken them up.

    In a lower voice, Grillby repeated, getting closer as he dropped to the floor on his knees.

    -... What in the fuck.

    Series
    Language:
    English
    Words:
    30,529
    Chapters:
    26/?
    Comments:
    16
    Kudos:
    62
    Bookmarks:
    3
    Hits:
    1102
  3. Tags
    Summary

    Albatross invites a bunch of different creatures from across the universes to a Chatterserve Server. It goes as well as expected.

    Series
    Language:
    English
    Words:
    7,871
    Chapters:
    34/?
    Comments:
    215
    Kudos:
    208
    Bookmarks:
    11
    Hits:
    4611
  4. Tags
    Summary

    After years of isolation in the void, Frisk and Chara find themselves in a strange new world, where humans are blessed by gods. Unbeknownst to them, the world of UNDERTALE can’t survive without them.

    Having recently saved Inazuma from the throes of war, Aether and Paimon are called back to Mondstadt to investigate a strange anomaly that had appeared in the vicinity.

    Elsewhere the Abyss Order gains a mysterious new recruit that has their own vendetta against the unknown god.

    Language:
    English
    Words:
    15,191
    Chapters:
    6/?
    Comments:
    15
    Kudos:
    67
    Bookmarks:
    17
    Hits:
    868
  5. Tags
    Summary

    After the great Reset, a metanarrative change so violent that it tore the universe apart and recreated it into a completely different narrative. All the old characters find themselves in different situations that tempt to disaster. At every moment, an enemy seeking something, an impossible enemy, and the metanarrative threat itself lurk. Time is their enemy, as past events occur and alter the change in the variables of the story. Retale is not an au thought of as a game, but rather a written story. A metanarrative universe built in a different construct than the traditional multiverse of other aus. In it, characters live and die, get out of their stories and rewrite them, get caught in the traps of fate, and finally, have to fight for a space when the world is ruled by impossible beings that totally control the course of history. Remember, things are constructed in such a way, that the characters can do anything they want within their delimited constraints within the metanarrative concept

    Series
    Language:
    English
    Words:
    66,891
    Chapters:
    11/?
    Hits:
    37
  6. Tags
    Summary

    Após o grande Reset, uma mudança metanarrativa tão violenta que dilacerou o universo e recriou em uma narrativa completamente diferente. Todos os antigos personagens se encontram em situações diferentes que tendem ao desastre. A todo momento, um inimigo que busca algo, um inimigo impossível e a própria ameaça metanarrativa correm a espreita. O tempo é seu inimigo, enquanto eventos passados ocorrem e alteram a mudança nas variáveis da história. Retale não é uma au pensada como um jogo, e sim uma história escrita. Um universo metanarrativo construído em um construto diferente do tradicional multiverso das demais aus. Nele, os personagens vivem e morrem, saem de suas histórias e as reescrevem, são pegos nas armadilhas do destino e por fim, tem que lutar para ter um espaço quando o mundo é governado por seres impossíveis que controlam totalmente o rumo da história. Lembre-se, as coisas são construídas de forma, que os personagens podem fazer qualquer coisa que quiserem dentro de suas delimitações restrições dentro do conceito metanarrativo

    Series
    Language:
    Português brasileiro
    Words:
    69,311
    Chapters:
    11/?
    Hits:
    65
  7. Tags
    Summary

    = This is an OC's origin story =

     

    It was always dark, expanding, shattering. The Void. But something pulled- and suddenly, it existed.

    Language:
    English
    Words:
    1,214
    Chapters:
    1/?
    Kudos:
    1
    Hits:
    10
  8. Tags
    Summary

    DIRECT SEQUEL/EPILOGUE TO “PATCHWORK SOUL” — 3 months later. A family of monsters and their little human kid try to start life anew beyond the confines of a giant mountain. Maybe they find something. Maybe they lose something. Time flows ever onwards, but sometimes it goes sideways, and it's heavier than they thought.

    [Please read PATCHWORK SOUL, know all major canon timelines, and the music of Undertale before reading for the best experience.]

    [An extended AU of what happens after a specific time kid's True Pacifist ending.]

    Series
    Language:
    English
    Words:
    1,027,283
    Chapters:
    96/?
    Comments:
    738
    Kudos:
    403
    Bookmarks:
    39
    Hits:
    28260
  9. Tags
    Summary

    the happiest family in the world, with a mom and a dad, his dad works as a real scientist and still had time for them, his mom stayed home and did housework, she was always by his side and pampered him a lot, she was the perfect mom, she had the perfect family

    Language:
    English
    Words:
    19,721
    Chapters:
    15/?
    Comments:
    3
    Kudos:
    29
    Bookmarks:
    2
    Hits:
    1682
  10. Tags
    Summary

    Одно только воспоминание — голос, его голос тоже стирается из памяти, остаются только самые низкие ноты, но и они искажаются, превращая шёпот в его голове в жуткий, мерзкий шелест — о том злополучном дне причиняет ему боль до сих пор. Только это воспоминание держит его от того, чтобы бросить тот самый «интересный» эксперимент ржаветь в подвале под покрывалом. Ведь нет лучшей мотивации для починки этой машины, чем возможность вернуть отца и спросить — стоило ли это того? Ты доволен, чёртов маньяк, ищущий только удовлетворения своего эго в бесконечных экспериментах?

    Language:
    Русский
    Words:
    8,435
    Chapters:
    3/6
    Kudos:
    4
    Hits:
    83
  11. Tags
    Summary

    Six months, three weeks, and two days since a major fuck up landed them in a almost as fucked up situation. Red, as had taken to be called, finds him and his so called 'partner in crime' dropped into another universe.

    With other versions of himself...
    You would think with so much in common it must be a easy introduction, but as it would seem, of course it wasn't.

    Then again, these 'soft' versions of himself didn't really seem to have so much in common with him.

    Didn't matter though, unlike them in their own happy little ending, they both needed to find a way to get the hell back to their own set of problems.

    Series
    Language:
    English
    Words:
    7,224
    Chapters:
    2/?
    Comments:
    1
    Kudos:
    1
    Hits:
    57
  12. Tags
    Summary

    An alternate universe where Gaster didn't dissapear from reality! What could go wrong?

    Language:
    English
    Words:
    9,199
    Chapters:
    8/?
    Comments:
    2
    Kudos:
    15
    Bookmarks:
    2
    Hits:
    228
  13. Tags
    Summary

    What would have happened if The Plan had never been made?

    What would have happened if Chara decided to instead stay alive to help find peace in the underground and serve as the Monsters' beacon of hope?

    What if The Plan had gone differently?

    What if the monsters were freed with the first fallen human?

    Well, I'll tell you what would happen.

    Because I've seen it.

    Language:
    English
    Words:
    2,066
    Chapters:
    2/?
    Comments:
    4
    Kudos:
    11
    Bookmarks:
    3
    Hits:
    94
  14. Tags
    Summary

    [SAVE] Arc: Ch 1 - 11

    One last RESET. Frisk has formulated a plan to SAVE everyone, including The Royal Children Asriel and Chara, and the Forgotten Scientist, W. D. Gaster. But she's gonna need the help of a mad skelly boi and some others.

    ~

    Surface Arc: Ch-12 - ???

    Finally. Frisk had saved everyone. Her new family was happy. But when one journey ends, another begins. The journey of bringing peace between two species and growing up. And this is gonna be way more dangerous than anything she had encountered in the underground.

    Language:
    English
    Words:
    46,508
    Chapters:
    33/?
    Comments:
    26
    Kudos:
    113
    Bookmarks:
    10
    Hits:
    3499
  15. Tags
    Summary

    Gaster made a plan. It was a stupid plan with little thought put into it and what started out as something that was only meant to keep him occupied over the course of a few months; became a lifelong commitment and he's not sure if he's okay with that.

    After slicing a whole in his hand and impregnating himself with the altered DNA; doctor Gaster thought that this would be a fun way to study his colleagues behaviors; but he failed to think about what he was going to do when the subject was actually born.

    Language:
    English
    Words:
    33,154
    Chapters:
    11/?
    Comments:
    29
    Kudos:
    166
    Bookmarks:
    18
    Hits:
    3620
  16. Tags
    Summary

    After a Monster fell into the Underground and helped set all humans free, they now go on adventures everyday after school! these range from raising the assumed dead to cooking some spaghetti! sounds fun right?
    (title named after "that's enough, let's get you home" by will wood)
    notes: raceswap au
    similar to deltarune dynamics
    same story, just in oneshot style
    post pacifist route

    Language:
    English
    Words:
    3,431
    Chapters:
    1/?
    Kudos:
    1
    Hits:
    10
  17. Tags
    Summary

    All you want to do is help people.

    On a late night back from working at Sericinus Hospital, you decide after getting a little sloshed it was time to head home. Nothing too out of the ordinary, y’know? Walk out of the bar, take your usual secret shortcut back home, and run into a giant skeleton monster in the middle of murdering a man…huh?

    Now you're intertwined with him until your deal is over...

    ---

    Hi! This is my first actual fic so I'm sorry if it's not to taste, still trying to find my rhythm+pace.

    I want to let you guys know there will be no SA or implied SA in this fic. I don't know WHY you sick fucks keep writing Mafiafell Sans as an objectifying creep with no boundaries but I have no interest in writing him like that. Feed him his respect women cocktail.

    I'll be updating the tags and summary as more and more of the plot becomes clear to me.

    Also ! This fic will have some little pictures every now and then :3

    Language:
    English
    Words:
    27,577
    Chapters:
    7/?
    Comments:
    18
    Kudos:
    140
    Bookmarks:
    30
    Hits:
    1919
  18. Tags
    Summary

    When Papyrus cannot sleep one evening, he goes out for a walk and bumps into Grillby. From there on, they decide to meet up by the Gyftmas Tree every night, be it to talk about everything and anything or for the friendly company of another monster.
    They soon learn more about each other and become fast friends, and possibly more?

    Series
    Language:
    English
    Words:
    5,785
    Chapters:
    2/?
    Comments:
    4
    Kudos:
    32
    Bookmarks:
    3
    Hits:
    168
  19. Tags
    Summary

    When monster-kind has lost everything and the light of life is dimming, Gaster knows damn well he won't sit back and die without a struggle.

    (That could just be the god-complex talking, though.)

    Language:
    English
    Words:
    39,328
    Chapters:
    11/?
    Comments:
    59
    Kudos:
    68
    Bookmarks:
    13
    Hits:
    1441
  20. Tags
    Summary

    CONTEXT AND INTRODUCTION: This is an official repost of the Another One comic made by Saishan, also known as AstraSai, originally published on DeviantArt. Every page will be uploaded as a separate chapter in this work, accompanied by the author's note at the end.

    Language:
    English
    Words:
    0
    Chapters:
    18/?
    Comments:
    9
    Kudos:
    29
    Bookmarks:
    6
    Hits:
    404

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