Select All
  • Right Love, Wrong Time (Killermare - English version)
    338 54 5

    Killer was mistakenly accepted into a special technology and innovation school. To keep his scholarship he ends up taking private lessons with his two roommates/friends. When the annual fair was announced he had to work alone on his project to avoid being expelled, a problem occurs and Killer ends up being teleported...

  • The Castle that Changed my life
    4.5K 301 36

    Killer Target. A young lady who was taught to live of her free will and to never listen to rules. Magic flowed everywhere, and she was one of the few gifted with that. But her magic was considered witchcraft, which everyone was against. Ironic. And unknown enemies did she make. (Killer, Blue, Cross, Ink, and Lust are...

    Completed  
  • Break the cycle
    2.4K 146 8

    The Multiverse for a long time has been an endless loop. Both inside the AUs and in itself. Error and Ink making a truce then breaking it in any possible way. The Dreamtale twins fight until Nightmare dies and Dream sacrifices his soul to plant a new tree of Feelings recreating a cycle. But, among everyone, there is...

    Completed  
  • Sanscest (Book 1)
    338K 4.7K 64

    (No More Updates) *Front cover is a drawing of mine *All ships are welcomed and most chapters contain over 1000 words. *Feel free to request anything you like! *Warnings are also shown within certain chapters so please be careful *no arguments over ships *feel free to point out errors *thanks for reading

    Completed   Mature
  • Killermare One-shots
    1.9K 54 4

    A nice collection of fluffy Killermare one-shots, just for you ( ◜‿◝ )♡

  • 𝐊𝐢𝐥𝐥𝐞𝐫𝐦𝐚𝐫𝐞 𝐎𝐧𝐞𝐬𝐡𝐨𝐭𝐬
    33.6K 1.1K 41

    moved accounts, no more updates on here.

    Mature
  • Sucker for Pain | NAJ Nightmare x Killer
    352 16 2

    ! [W A R N I N G] SLOW UPDATES ! ! [ AUTHOR IS IN LONG HIATUS ] ! Muffet is In love with Nightmare and Nightmare is in love with Muffet. Killer is in love with.....

    Mature
  • Killermare (I can't think of a title-)
    81.7K 2.6K 24

    Completed: August 8th, 2020 Killer is nightmares right hand man. Doing everything nightmare pleases. (That sounded wrong. Not in that way- Anyways-) though errors second in command. Meaning he'd be in charge if nightmare couldn't. Once killer thinks about why error does almost nothing even if he's second in command...

    Completed  
  • Soulmates
    9.5K 482 9

    Nightmare feels hopeless. His Soulmarks tell him that he's supposed to have four Soulmates, which is really peculiar in itself. But... Who would love a murderer like him? He's the personification of all negative emotions, of all evil. Who would be willing to love him...? And across the multiverse, four people ask them...

    Completed   Mature
  • Nightmare x killer (yea I'm so creative ik)
    4.1K 184 12

    This is a killer x nightmare fanfic The characters (unless I state otherwise) do not belong to me. I only own the story itself and any images used. All art in this book, including the cover, is my art.

  • Human killermare short stories
    22.3K 834 14

    Just some human au killermare stories I came up with. They will be short doe. Both are still male too.

  • Killer Sans
    2.9K 119 8

    My whole view point of the story of Killer, it's not gonna be as good as this is gonna be the first real story I've wrote, but enjoy

  • fell in love with My darkness [killer X nightmare]
    3.4K 117 7

    after nightmare and killer help epic and cross with there relationship, it seems like it's there turn. after months hanging out and geting to know nightmare more, he had and odd felling bundling up inside him so did nightmare, the both grew a likeing for eatch other. but there relationship tossed and turned when some...

  • killermare still without a damn title (book two)
    12.5K 531 12

    Started: August 13th, 2020 Finished: NEVER LOL everything's back too normal, so they all thought atleast. nightmare was getting ready too finally tell killer how he felt. Right before killer disappeared one day. them all wondering who it could be they quickly get concerned, but, who did it this time? im sorry for curs...

  • Aftermath (DISCONTINUED READ LATEST CHAPTER)
    14.1K 627 15

    The war is over between the Twins of feeling. The bad guys and star sanses live in the city spread out all around the town. How will Nightmare fix himself in this new adaptation living with Killer, his ex-righthand man? Will he catch feelings and be protective? or Push them aside? This is a NightKiller story along wit...

    Mature
  • Myths |Sanscest Multiship|| DISCONTINUED
    2K 104 7

    This is my first story so it's going to suck...yay! The two realms have been at each others throats for as long as anyone can remember. But what would happen if something threatened both? With the Guardian of dreams missing, would the two sides finally make peace? Or will the world they know be engulfed by darkness? I...

  • Nightkill Oneshots
    50.1K 1.6K 52

    Warning, may contain some dark subjects such as abuse, self harm, PTSD, alcohol abuse and more. Read with caution and enjoy!

    Mature
  • Apocalyptical Love (Sanscest fanfiction)
    22.6K 1.3K 30

    Nine warriors trapped in an arena, forced to fight till the death with hoards of zombies three times a day. Never knowing freedom or what it's like to care about someone. That is, until, they're saved by a group of four monsters, a human, a dog and a budgie. And so, they embark on their journey to a happy life. But no...

    Completed   Mature
  • [[ NightKiller Oneshots ]]
    108K 2.4K 24

    [ REQUESTS ARE CURRENTLY CLOSED ] More ships of mine will be added soon into the Requests Lists to give this book more ships and accompany NightKiller. I hope y'all don't mind !

  • Why me? (killermare)||EDITING!
    1.9K 61 4

    This is an nightkiller but heres the thing night isnt corrupted anymore so when they face eachother killer might not recognize night.

  • Please don't hurt me
    33.2K 844 22

    Killer slave to Nightmare the cold hearted.

  • ~How did you know?~ [A multiship sanscest]
    19.2K 712 15

    Nightmare's gang was only having Error, Dust, Horror and Cross at this point. when suddenly they were to be sucked in a weird hellhole, or so what they thought. That's when the crew found some more fellow skelepals- who were they?~

  • My Sweet Little Killer~ {A Nightkiller Story} Re-Writing!
    9.1K 387 15

    So umm. Killermare, get prepared for random shitposts here fam. Anyway. hope u like it :3 Highest rank #1 in Nightkiller

    Mature
  • •In Love With A Killer• - {KillerMare} Hiatus
    19.7K 529 22

    Hiatus -slirps some tea- Oh hi there! Didn't see ya der... -puts the tea down- I'm Undertale_Ships123 but just call me Under for short.. As you may read the title it's a KillerMare story. This is a story about where Killer confessed his love to Nightmare... but you may ask.. '𝗛𝗼𝘄 𝗱𝗶𝗱 𝘁𝗵𝗲𝘆 𝗰𝗼𝗻𝗳𝗲𝘀𝘀...

    Mature
  • Nightmare X Killer (30 Day OTP Challenge)
    24.2K 1.1K 29

    This is the 30 Day OTP Challenge and right now, I am working on the fluff version. Nightmare x Killer all the way through because this ship is just awesome! This is version 1, other versions will include different ships.

    Mature
  • Nightkiller And Cream Onshots Book [Request Opened]
    367K 6.7K 96

    Been gone for so long I forgot how to spell... Holy fuck anyway Nightmare and killer fuck, while dream and cross fuck. In the next room of course-

  • I Dont Care... (nightkiller love story)
    39.2K 1.5K 23

    i never could feel anything as long as i remeber, everything i do is because im forsed to but... one day i met someone who could free me! make me happy!? but why do you always want me...

  • A Good Nightmare
    432 12 3

    Life is unpredictable, do unpredictable the urge can make you do things you never know you could do, do can anger , jealousy and sadness. Killer is desperately looking for a normal life. Whilst Nightmare is looking for her. Pills...Drugs... Explosions? This is the right book then, this isn't just a drama love story...

  • My Little Killer
    1K 56 9

    As what seems like friends soon turns into lovers

  • Killer and Nightmare in MINECRAFT
    617 22 3

    Killer and Nightmare was suddenly teleported to a world of game, a game called MINECRAFT. Killer know how to play Minecraft, but does Nightmare know??? Sadly, he doesn't know TwT There will be no magic, no powers, and no teleportation. Sucks being them qwq Will they be able to survive Minecraft and can finally go hom...