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  • Bone Daddy (Dominant!Sans x Submissive!Reader LEMON!)
    35K 216 1

    I don't get much of a choice about what happens to me. My master, Sans, decides what happens to me. Sometimes he's rough, but other times he's surprisingly gentle. Either way though, he makes sure that I know who the Bone Daddy is around here.

    Completed   Mature
  • Susie X Reader (Deltarune)
    41.9K 741 15

    Your a really shy and a less talketeve person, but you can speak your mind if needed. you and Kris are both adopted by Toriel sooo your brother and sister and treat each other like it. Idk what else...

    Completed  
  • Mafiatale- Murdered [Completed]
    40.5K 870 15

    You the reader (Y/N), are an assassin. You were never big on joining a gang until a certain skeleton showed up. You are offered a spot in their mob, will you stay for the money or for the people?

    Completed  
  • Rescue (UnderFell!Sans X Reader Fanfiction)
    76.3K 3.2K 33

    It was supposed to be a search and rescue with your two closest friends. With your 'brother' Frisk missing now two days and that foster home giving less than a damn, it was up to you and your best friends to follow his one clue. But what happens when one little clue leads to a situation larger than life? Will you surv...

  • A Bad Fuckin Temper (Underfell Sans X Female Reader)
    118K 4.5K 41

    You're 17,Your name is Y/N,You got a bad temper.You we're walking home,after a shitty day of school,you then heard a group of kids laughing. "The fuck is it now with those kids?"You walk towards them and see that they're picking on a smaller kid."Hey!Get the hell-"They look at me and the smaller kid starts running.The...

    Completed   Mature
  • My Lazybones Sans X Female Reader
    69.8K 2.1K 34

    So you are a sweet and shy 15 year old girl who lives with her mother and father.Your Mother and Father have decided to take you to a trip to Mt.Ebott for a family vacation.Once you got there you decided you've wanted some alone time even though your father disapproves your mother convinces your father to let you expl...

    Mature
  • Don't do this to yourself, kid (Sans x Depressed!Abused!Reader)
    30.1K 836 10

    Warning: things that may trigger such as, self harm, and suicidal thoughts also includes swear words. I do not encourage these actions, stay positive. I also don't do lemons you dirty sinners. The monsters were free and lived peacefully with the humans. You were a 16 year old girl, with a 10 year old brother...

    Mature
  • Lost in Despair (Lonely!Sans x Mute!Reader)
    432K 21.6K 49

    Press your fingers together, zip your lips shut, and throw away the key. Once it's time to be free, go fetch that golden key and speak. Unless someone stole your golden key and threw it in the depths of the Black Sea; your nightmares and worst fears. ---- "Even if it kills me a second time." ---- The series- First...

    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
  • Gold's Eye GasterSans X Reader
    430K 13.8K 25

    You've heard the stories, of the mysteries of a man who guides lost ladies home by night legend says his voice is like a demon of hell and anyone who's ever approached him has died. One night you get lost and you uncover his real story

    Completed  
  • Eyes of Fire (Gaster!Sans x Reader)
    270K 11K 63

    (FAN FICTION BASED OFF OF VIDEO GAME 'UNDERTALE') His eyes were like fire. Amber. Dangerous. But they intrigued me. The flames of his soul danced and encased my heart. It was needless to say that I didn't mind. (COMPLETED)

    Completed  
  • Kitten (-gaster!sans x reader-)
    77.2K 1.9K 23

    The monsters were freed from the under ground. The humans are racist toward the monsters but the leaders of the human race have decided to restrict any human or monster to harm another to prevent another war.

    Completed  
  • It Leads me to You
    15.7K 441 27

    Line of Fate, a line that appears on the ground and will lead you to your 'soulmate' well yours leads you to a skeleton monster who rejects you flat out and flees the city once you confront him about it. After years of rejection you marry into an abusive relationship and your new neighbor just happens to be your true...

    Completed   Mature
  • Let Me Run
    702K 29K 67

    It's been two years since the barrier was shattered... All was well until humanity's opinion and voices ruined it all. The war had begun. --------------- Although one girl had always seen the world as a sickening place... A majority of humanity was indeed contaminated, but she was one of the individuals who deserved t...

  • Despite Everything, It's Still You. (Sans x Reader SLOW BURN)
    361K 17.6K 101

    (This story contains 18+ subjects. Please read the tags.) You're at your limit. Life has never been the kindest, in regards to you. But now, it's just getting to be too much....something has to give. So, you decide to make a change.... ....and as a result, fall down a giant hole. Yeah, life's funny like that.

    Mature
  • Sorry About That (Gaster!Sans x Reader)
    87.1K 4.3K 27

    You worked for the newspaper, doing a simple editing job and a few other things here and there. Ever since monsters came out of the ground, though, rent has sky-rocketed for you. You thought you could deal with it, but after a few months you need a roomie to help with the rent. Which, fortunately, you got one! But, un...

  • Kind Of Comical [Sans X Reader]
    217K 7.4K 24

    //Undertale High School AU. Your typical High School story where you're the new girl~ //Except monsters and humans are together too. Involves time travel in later chapters. Never wrote an Reader insert before, so spare me! "You look lost there, Kiddo." A deep smooth voice caught your attention and you turned your h...

    Completed   Mature
  • But is it really?
    9K 545 19

    Sequel to My Soul? It's Yours....

    Completed   Mature
  • Hey, Doll | Gaster!Sans x Reader
    260K 13.2K 47

    Alone in a condemned world where monsters and humans fight for power constantly, Y/N survives off of the wood's riches and the small scraps of shelter she can find in ghost towns. Allies and friends have come and gone during the war, either killed or have parted ways. It's not all that bad. She could be dead, after al...

    Completed   Mature
  • The Hell He Created (SansXReader)
    103K 4.4K 21

    Monsters have returned to the surface, but that barely concerns you. Your only focus is to work and stay in control. Don't feel, don't lose control. You've spent years perfecting this practice and you keep yourself cold to anyone who stands in the way. A new employee at your work- a joking little skeleton - has a diff...

    Mature
  • Lost And Found~ MafiaTale Fanfic
    158K 6.4K 20

    In the business of human trafficking, mercy isn't a well known word. You and your crate mate, a child named Frisk, are obidiently waiting to be released to a 'master' when havoc breaks out around you. Guns are fired and you're doing your best to protect Frisk when your crate is pried open by unfamiliar faces. How will...

    Completed  
  • Blown Through The Rift (Gaster!Sans X Reader)
    244K 9.5K 35

    You were working with Alphys in the lab in Undertale when chaos strikes! In a freak accident, concentrated determination is mixed with an unnamed concoction and blow you through a dimensional rift. When you reawake, you find yourself in what seems to be the beginning of Undertale once again. Upset but not overly surpr...

    Completed  
  • Romeo and Roulette (Mafiatale Sans x Reader)
    68.8K 2.5K 37

    There are certain street rules branded on the hearts of the people of Chicago. Certain rules like always watch your back. The city is thriving with mafias, all of which have a rivalry against each other. Each Mafia has there own contracts and if someone steals it they're dead meat. But what happens when the mafias ha...

  • My Soul? It's Yours.
    92.1K 3.7K 26

    You become a citizen in Snowdin due to being lost in the undergrounds. You had left Toriel and the ruins only to be greeted by someone you would've never thought to be so important, or essential, to your life. *warning: might get serious and have adult content in some parts also maybe some spoilers for both the pacifi...

    Completed   Mature
  • AU Sans X Reader Long OneShots
    188K 2.4K 24

    Just Sans X Reader No Lemon Cover by my homeslice tkdgirl222 I don't own any of the characters in these story Don't kinkshame me I know your here for the same reason I wrote these >:) Also these are for girls but you can change the pronouns and the girly stuff to guy stuff I don't care. @tkdgirl222 edits and help...

    Completed  
  • My One and Bonely (Sans x Reader)
    622K 20K 36

    My first story. It's a sans x reader fic, so don't judge too harshly. Also I have some bad pacing issues, but I hope yall will ignore them. Anyways on with the summary! You see monsters everywhere. All of theme unique and friendly. You ask "how could anyone hate them?" When you save one of them, you're life takes a dr...

    Completed  
  • You're Ours! (Sans AUs X Reader)
    231K 4.3K 62

    Sans X reader! Of course every sans is there but you need to wait for them! Enjoy!

    Completed  
  • Error Sans X Reader (Lemon)
    202K 1.7K 13

    Here's to all the people who are looking for lemon with Error Sans but can't find it! So get your sex toy and moisture, and get ready to visit fap city!

    Completed   Mature