1 - 20 of 151 Works in Chara/Sans (Undertale)

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  1. Tags
    Summary

    In the aftermath of a messy breakup, Ink moves into the city to begin his life anew. After a fateful encounter with his neighbor, he falls head over heels for someone new. Error, a graduate student who’s hesitant when it comes to romance, is immediately swept up in Ink’s brilliance and vitality, unable to stop himself. While Ink and Error are consumed with one another, their friends and family fall into romantic affairs of their own. Cross, Error’s best friend, falls in love at first sight with Ink’s ex-boyfriend, who isn’t sure he’s ready for a new beau just yet. Geno, a promising young doctor, has an unfortunate tendency to be stalked by one of the hospital’s top forensic pathologists, Reaper.

    Language:
    English
    Words:
    146,842
    Chapters:
    38/?
    Comments:
    1105
    Kudos:
    1083
    Bookmarks:
    75
    Hits:
    15968
  2. Tags
    Summary

    With each death the darkness grows, consuming and twisting a lost soul that is torn from betrayal.
    Why does this seem so familiar? These dreams feel so real...
    Are they dreams or perhaps they are memories of another life? Another timeline?
    Two voices call out to the lost soul... One offers help, all they want is to be friends.
    The other, a weaken whisper that longs to be heard. Everyone lies, betrayal runs deep.
    Who to trust when both voices lie?

    Another soul tired but refuses to give up, for he knows what will happen if he does.

    "i wasn't ready for this responsibility... but darling... you didn't give me much a choice..."
    He says as he raises his bony hand, a faint purple aura around it.

    Series
    Language:
    English
    Words:
    22,851
    Chapters:
    11/?
    Kudos:
    23
    Bookmarks:
    2
    Hits:
    535
  3. Tags
    Summary

    Sans is tired of the resets. He decides to do something about it to change things for the better.
    Everything just sort of goes downhill from there.

    Language:
    English
    Words:
    188,227
    Chapters:
    42/42
    Comments:
    275
    Kudos:
    458
    Bookmarks:
    46
    Hits:
    12043
  4. Tags
    Summary

    Frisk has a crush she can’t shake. So she seeks advice from the two people who might be able to help.

    Frans | Multiverse | Humor

    Series
    Language:
    English
    Words:
    2,621
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    18
    Bookmarks:
    1
    Hits:
    137
  5. Tags
    Summary

    You are Sans and after taking in Chara and Frisk you mysteriously shrink to the size of a speck of dust. Now you have to deal with being small and two very flirty very sexy humans who both have a crush on you plus a thick boy who might just be the hottest one.

    Language:
    English
    Words:
    2,336
    Chapters:
    5/?
    Comments:
    21
    Kudos:
    66
    Bookmarks:
    1
    Hits:
    2873
  6. Tags
    Summary

    Sans and Papyrus were made in the labs by their creator W.D.Gaster, The trials of pain and suffering even heartache, To infection madness. Can Sans overcome this hardship or well his mind be forever broken?

    Language:
    English
    Words:
    8,895
    Chapters:
    3/?
    Comments:
    3
    Kudos:
    15
    Hits:
    222
  7. Tags
    Summary

    After a few Genocide runs, Frisk eventually begins to feel bad and decides to change her ways. When she resets, she eventually gets to talk to Sans about the situation, but soon finds out that making a deal with Chara Dreemurr at the end of the first Genocide wasn't such a great idea.

    (WARNING!!!: Major character death.)

    Enjoy!!!

    Language:
    English
    Words:
    1,572
    Chapters:
    2/?
    Comments:
    2
    Kudos:
    7
    Hits:
    161
  8. Tags
    Summary

    Once upon a time Humans and Monsters went to war.
    Once upon a more recent time Papyrus' brother Sans got a promotion. And now Papyrus was off to buy him a human toy, pet, simple plaything to fuck and to kill...
    Humans and Monsters. That was all that was important. Humans and Monsters. Just supposed to be a week of fun. One's hell being another's heaven. Humans and Monsters. It's just the way things go. Her hell, their heaven.
    ....... but something's wrong.
    It's not the way it goes at all.
    And you may think the worse person can't change because LOVE and hurting are a cycle and the more you hurt the easier it is to hurt.
    But in the end, hope and Mercy are too.
    You just have to keep finding ways to stay determined.
    Even when it seems impossible and hard, and Mercy apparently seems spent.

    (Swapfell Surface AU) (kinda Swapfell) (mostly Swapfell)

    Language:
    English
    Words:
    328,558
    Chapters:
    86/?
    Comments:
    838
    Kudos:
    329
    Bookmarks:
    24
    Hits:
    11052
  9. Tags
    Summary

    Seven years ago, Asriel stopped Chara from going through with the buttercup plan. Little does he know that it's not only Chara's life he saved, but the lives of the six children who fell after her.

    Everyone Lives/Nobody Dies AU.

    Series
    Language:
    English
    Words:
    2,916
    Chapters:
    2/?
    Comments:
    149
    Kudos:
    43
    Bookmarks:
    5
    Hits:
    522
  10. Tags
    Summary

    Frisk grew up in a home with neglectful, drug using parents. With a little sister to take care of, Frisk goes to Mt. Ebott to collect a flower specimen for a professor in town who was willing to pay three hundred dollars for it. When she falls into the Underground, she finds danger, but also family and friendship. With the help of a mysterious ghost girl named Chara who only she can see and who she shares a connection with, as well as some new friends, especially a certain pair of skeleton brothers, Frisk tries to get back home to her sister, but what will be the cost? And how far will Frisk go to protect both her sister and her new friends?

    Language:
    English
    Words:
    87,029
    Chapters:
    14/?
    Collections:
    1
    Comments:
    237
    Kudos:
    248
    Bookmarks:
    50
    Hits:
    4785
  11. Tags
    Summary

    it's like a dream catcher but for ships

    Language:
    English
    Words:
    1,174
    Chapters:
    2/?
    Comments:
    9
    Kudos:
    14
    Bookmarks:
    1
    Hits:
    280
  12. Tags
    Summary

    Sin? Sex? Kink? Yes! You come to the place! Request something! Comment! There are stories and there's just sex! Have fun!~

    Language:
    English
    Words:
    7,775
    Chapters:
    7/?
    Comments:
    26
    Kudos:
    59
    Bookmarks:
    7
    Hits:
    3298
  13. Tags
    Summary

    For Dream1990.
    sans somehow goes to the past where Asriel and Chara are still alive. He proceeds to warn them about Chara's plan's outcome. After Chara hears what will happen if they follow through on the master plan they decide not to do it because they do not wish to accidentally kill the best friend (and only friend) they ever had.

    Including the fallen children

    Language:
    English
    Words:
    6,038
    Chapters:
    7/?
    Comments:
    67
    Kudos:
    13
    Bookmarks:
    1
    Hits:
    297
  14. Tags
    Summary

    A series of one shots in a universe where Chara and Sans discover they have...something together.

    Language:
    English
    Words:
    6,707
    Chapters:
    4/?
    Comments:
    9
    Kudos:
    53
    Bookmarks:
    3
    Hits:
    948
  15. Tags
    Summary

    Sans has been exhausting himself studying for exams. Thankfully his best friend Chara is there to help him feel better with a little homemade ketchup and a lot of support.

    Series
    Language:
    English
    Words:
    2,257
    Chapters:
    1/1
    Collections:
    2
    Comments:
    9
    Kudos:
    20
    Bookmarks:
    1
    Hits:
    264
  16. Tags
    Summary

    They stand in the judgment hall; tall, arching windows revealing a beautiful summer day, birds chirping and flowers blooming. The hall has seen better days, given the broken stone and tile littering it now, knives stuck into its surface like confetti at a party. They stand there, one covered in dust and the other in blood, determining the fate of the world in a battle Chara hopes is worth it.

    Too many people have died for them not to care anymore.

    Series
    Language:
    English
    Words:
    833
    Chapters:
    1/1
    Kudos:
    5
    Hits:
    225
  17. Tags
    Summary

    An interactive story

    Language:
    English
    Words:
    11,886
    Chapters:
    29/29
    Comments:
    324
    Kudos:
    5
    Hits:
    483
  18. Tags
    Summary

    In which Chara is a male and yandere towards Sans, Sans has no idea what sex is, and Chara drags him down with him.

    Language:
    English
    Words:
    14,038
    Chapters:
    10/10
    Comments:
    3
    Kudos:
    41
    Bookmarks:
    3
    Hits:
    791
  19. Tags
    Summary

    Two decades had passed since the dreaded Human-Monster war, with monsters claiming victory and leaving two Kingdoms to rule over the land of Ebott. The Dreemur Kingdom and The Skeletal Kingdom have never been on better terms. So did Sans, the heir to the throne, think, till he was sent to marry the Dreemur Princess and consolidate the peace.

    Language:
    English
    Words:
    3,189
    Chapters:
    1/?
    Comments:
    11
    Kudos:
    22
    Bookmarks:
    2
    Hits:
    400
  20. Tags
    Summary

    Read first chapter for description.

    Language:
    English
    Words:
    378
    Chapters:
    1/1
    Kudos:
    2
    Hits:
    124

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