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  • the broken deaf soul
    84.1K 2.3K 29

    silence..no matter how much error tries, all he can hear is his own thoughts, and a painful ringing sound..no one knows hes broken, but what will happen when they find out? how did this happen?? Who did this to him??? What else will happen to our poor destroyer??? How many of his friends will get hurt along the way as...

    Completed  
  • Black Roses (Overprotective!Bad Guy Sans' x Child!Reader)
    473K 13.9K 41

    Nightmare found a young child a long time ago. When they fell into a coma it sent him over the edge. several hundred years later the child wakes up in a castle of darkness, surrounded by people, er... skeletons, that they don't know. Now they are being raised by murderers, cannibals, and world destroyers. Oh yeah! And...

    Completed  
  • Broken Reality (BNHA / Undertale Crossover)
    26K 882 13

    A Classic Sans X Bad Sanses! Classic has spent his time locked away in his Au, occasionally escaping to visit Nightmare's group. His relationship was a secret, but one event leads to more problems. One day while visiting the castle, he falls through a portal into a new world entirely. The coding is completely differen...

    Completed   Mature
  • Misery Loves Company
    46.6K 2.7K 35

    Previously titled 'One Heck Of A Nightmare' Reader becomes Nightmare Joku, right after he ate the apple... What now??? A/N: please comment, I'd like to read your opinions and know how you think I can make the story better or how I could've changed it Artwork for cover made by Inkami, not mine warning ⚠️ all rights res...

    Completed   Mature
  • A Currupted Starlight
    24K 1.5K 28

    'passive' nightmare sans, as people called him, was trapped inside his own soul as 'currupted' nightmare sans controlled his body, spreading negativity throughout the aus. over the hundreds of years, passive has lost himself. the insanity has gotten to him. little did he know currupted has a reason to keep him trappe...

    Completed  
  • The hard life (Sansxreader) COMPLETED
    14.3K 290 29

    Y/N was the eldest of the royal family. Her life was great. She was turning 16, the age where she'll be able to help her parents with royal duties, and get more privileges, when her younger sister, Frisk, goes missing. Y/N's life falls apart, while her mother heartbroken, and her father started to ignore her. Not havi...

    Completed  
  • To live again
    4.9K 337 22

    The Star sanses won and the multiverse is now at peace. But what happened to the terrifying king of negativity? Well let's say he's not a terrifying king of negativity anymore. He's now rather a very shy, confused and traumatized skeleton. My writing isn't great, so just be aware that this is probably trash. Also eng...

  • The Bounce Of The Ball Followed By The Steps To The Beat-Dancetale!Sans x Reader
    115K 5.1K 31

    You're an athlete, simple as that. You've thought about dancing, but you figured it was never your strong suit. One day, your friends drag you to their dance practice and you are introduced to their friends. In the group of new-monster-friends, one of them catches your eye. Suddenly, dancing doesn't seem like a bad i...

    Completed  
  • Wounds Heal, Scars Fade
    27.7K 951 23

    The idea I created that spawned this book idea: Story idea: FGOD Book centered around "Wounds Heal, Scars Fade" with some sort of fun naming scheme. The plot is that finally some dumb dumb checks Error's soul, and the truth is revealed. But things aren't so simple. This FGOD Error is hated by everyone and tormented by...

    Completed   Mature
  • Endless Echo [Horrordust; Horror x Dust]
    12.4K 385 6

    The most this fanfiction contains is fluff, angst, and whatever you call a singular making out session. Enjoy! [ALL ART BY ME] Horror and Dust, even working on same teams, could never tell each other how they felt. No matter how many times they are partnered up for missions. Although, that doesn't mean they don't open...

    Completed  
  • Forbidden [Nightmare!Sans x Reader]
    7.9K 296 52

    Warrior Cats x Undertale Multiverse Crossover ~~~~~~~~ Since the Multiverse was created, the Creators have been fighting over the AUs non-stop. It was a horrible, bloody war that lasted centuries. Many were killed and many were cast away as outsiders. One day, the Creators met in an AU called Dreamtale, and after anot...

    Completed   Mature
  • Save Me (Sans x Bitty Reader)
    80.7K 2.5K 21

    Since there's not enough x bitty reader stories out there. You are a stray bitty who ran away from your last abusive owner and run into someone who will change your life for the better. Rankings on (8/3/2022) # 2 xreaderout of 197K stories Other Rankings # 6 sans out of 28.8K stories # 13 undertale out...

  • 𝑰 𝑺𝑻𝑰𝑳𝑳 𝑳𝑶𝑽𝑬 𝒀𝑶𝑼, 𝑰 𝑷𝑹𝑶𝑴𝑰𝑺𝑬 ✧ 𝑩𝑨𝑫 𝑺𝑨𝑵𝑺𝑬𝑺
    47.8K 2.5K 32

    "How can Cupid... how could you be so cruel?" I curse lowly. Who could have imagined something like this happening to me? It had been so long since everything happened, but somehow the pain in my heart never left. The memories starts to flashback into my mind as I start to process what is happening in front of me, an...

    Mature
  • Her Guardian || Demon! Dream Sans x Reader
    32.7K 1.5K 62

    When a demon summoning goes wrong, a rich and powerful man's son gets killed and (Y/n) is forced to team up with the Demon King that did it to survive the ensuing attempts on her life. | Set in the same demonic skeleton universe as my demon Nightmare book with a different story, it's my take on the simple question: ''...

    Completed   Mature
  • Listen To The Music | Dancetale!Sans x Reader
    323K 17K 58

    Dancing has always been a part of you. It was a way to express how you were feeling without having to tell anyone. It was also a way to forget and let go of the awful situations you seemed to find yourself in. Which was unfortunately a lot. After running away from the death of your parents, you find yourself entering...

    Completed   Mature
  • Till Death Do Us Part - Dust Sans x Reader
    10K 291 11

    This story contains lots of dark topics. This will be your ONLY WARNING. There will be no other warnings from this point on. Topics include, but aren't limited to: • Suicide • Self Harm • Dark Thoughts • Abuse If you can't read things that include those topics, this story is not the one for you. This story is also on...

    Completed  
  • His Summoner || Demon! Nightmare Sans x Reader
    91.7K 3.3K 74

    When a demon summoning goes wrong, a rich and powerful man's son gets killed and (Y/n) is forced to team up with the Demon King that did it to survive the ensuing attempts on her and her family's lives. But the King will only do it on one condition: he gets her soul. So with no choice but to die for her mistake, His S...

    Completed   Mature
  • Stone Cold Pacifist (Horror Sans x Reader)
    254K 11.6K 40

    PLEASE READ BEFORE GETTING INTO THE STORY. Your name is (Y/n), and you play the role of an unusual pacifist. In the story of Horrortale, your unique soul allows you to see WD Gaster who no longer holds a powerful connection with the underground due to the inactive core. After your parents are killed, Gaster makes a de...

    Completed   Mature
  • 𝑩𝒚 𝑯𝒊𝒔 𝑺𝒊𝒅𝒆 ✧ 𝑵𝒊𝒈𝒉𝒕𝒎𝒂𝒓𝒆 𝑺𝒂𝒏𝒔
    118K 3.4K 21

    We saved each other. I saved him on the verge of dying, while... he saved me from loneliness. When I met him, I finally found my meaning, I found my happiness, and I found what I was missing. He gave me a purpose, and gave me my freedom. That's all that matters... My life was rather boring and dull. Being a princess...

    Completed   Mature
  • Fated (Sans x Reader)
    51.5K 2.2K 20

    PLEASE READ BEFORE GETTING INTO THE STORY: In a story of Undertale where Monsters are bound to the laws of having a Soul Mate, (Y/n) doesn't understand her own role in this world of deceit and cruelty... not until she meets a certain skeleton. While she is best friends with Frisk, the two trust each other at all times...

    Mature
  • The King's Queen (Nightmare Sans x Reader)
    401K 14.6K 40

    PLEASE READ BEFORE GETTING INTO THE STORY Description: Your name is (Y/n) and you are originally from an au called Dreamtale! Your life hadn't been the easiest however, but you were quick to always move forward despite this... Before Nightmare had become corrupted, you were his best friend and lover. You kept him fro...

    Completed   Mature
  • Dancing on my Own {Sans x Reader} Dancetale
    85.8K 3.2K 26

    Why don't you read and find out? *eyebrow raise*

    Completed  
  • Bad sanses x singer reader
    3.8K 116 11

    *This is not my drawing btw* This bad sanses x YN is gonna be a lil different, for each yn x bad sanses *of any of them* there are gonna be different versions. Not like " person x drepressed yn" or NANANANANANA- NOT ME HONEY! ITS GONNA BE LIKE "person x badass yn" or SOMETHING LIKE THAT- and this is gonna be more on h...

  • Broken Ashes: Sibs reborn
    869 55 9

    second book to Sibs reborn as Sans and Papyrus?! =) she awakens... Can she find her way or will she be consumed by desire, regrets, and hatred?

    Mature
  • My Villain [Dust Sans x Reader]
    80.4K 2.1K 52

    A young woman, left alone after her family sadly passed in a car accident, suffers with PTSD and Anthropophobia (Fear of people.) Her only happiness in this world is the view of the stars from Mount Ebott. But one day, Y/N falls into a large abyss located on top of the mountain. There, she enters the Underground. The...

    Completed  
  • Sibs reborn as Sans and Papyrus?!
    67.3K 3.5K 95

    Ashley and her brother were working on a bonding project in Ashley's room. Deciding on what to make their world different from the other many AU's out in the world. Ashley was the oldest while her brother, Austin was the youngest. They were a years apart from each other but it didn't matter to them. Ashley named thei...

    Completed   Mature
  • Home (bad sanses x child reader)
    29.5K 976 29

    You were an average kid, somewhat having a older mind than most of your classmates. you had always been into the undertale fandom, and even knew almost everything about the aus and soul colors. while what seemed like a normal day at school quickly turned around after a huge bang struck the class room next door. in th...

    Completed   Mature
  • UnderHappened
    81.3K 2.6K 35

    The Undertale Genocide Route is happening, but a new card has joined the deck: Finn, a quiet kid with a love for stuffed animals who falls into the Underground soon after Frisk. At first, it doesn't seem like there's much Finn can do, until they discover their superpower: the ability to transform huge piles of white d...

    Completed