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  • The 6th Soul | Sans x Reader
    178K 6.7K 27

    "Do you think even the worst person can change, that everyone can be a good person, only if they just try?" -- If you want to read a good book, go on my account and read chat logs. This one is shitty -- Justice. That's the trait of you, (Y/N). The 6th soul fell into the underground. She wasn't alone though, she had...

    Completed  
  • Lights Like Stars (Sans x Reader)
    141K 5.3K 37

    It's been over a year since the Underground opened up and the monsters living under the earth swarmed to the surface in their thousands. The human and monster governments are taking their sweet time coming to any kind of agreement regarding monster rights and citizenship, but for the most part, in the less politicall...

  • On Days Like These ❀ Undertale /On Break/
    64.6K 2.7K 28

    You have a routine; jog, relax, and work. It may seem mundane to most, but for you it's comfortable, easy. It keeps you in your bubble. And you wouldn't change anything about it. That is, until two skeletons move in next door, and you discover that their lifestyle is a less than conventional one, but one you're going...

  • a broken Songbird (underfell sans X reader)
    16.8K 401 7

    you were wonderful to anyone you ever met. your voice was like a song. your heartbeat with flutter every time people would ask about you... Someone had a very particular feeling towards. it was dangerous and he looked like the edgy person you would try to avoid at all costs but ever since the treaty between monsters a...

  • Sooner or later your gonna be mine (Mafiafell sans x chubby reader)
    20K 513 12

    ⚠READ DESCRIPTION PLEASE⚠ Y\n is the older sister of frisk, who is a singer. Y\n is a chubby waitress at most of the bars her sister works at, to keep an eye on her. What happens when a mobster boss takes interest in the chubby waitress. I am very bad at writing and doing description's please forgive me!!. Anyway I do...

    Mature
  • Under the mean face(Underfell Sans x reader)[COMPLETED]
    5.1K 106 22

    You had a happy family and never got a big problem, just that you never believed into you. Your parents tried everything to help you but in vain. One day, you decided to stop bothering them. You went to the darkest place of the forest and end your life. At least, that was what you wished. ( I'll skip the moment in the...

  • Mine...~! (Yandere BaraSans x shy abused reader)
    3.6K 78 1

    What happens when a certain skeleton takes a secret liking to you....and claims you as his and stops at nothing to get you....~ All credit goes to the original artists of any art used in this book Undertale isn't mine and belongs to Toby fox No art is mine unless said THIS IS NOT A LOVE STORY

    Mature
  • Bara sans x fem human reader
    7.6K 184 7

    Y/n is a 19 year old human girl who fell into the world of monsters. Tori and Asgore took her in right away Asriel, Chara, and Frisk loved having a older sister. Y/n had a f/c soul and for her it was caring and kindness. One day Y/n, Tori and Frisk went for a walk in snowedin and Bara sans and Y/n met for the first ti...

  • Bone-ly Ness Is Overrated (Sans X Reader)
    91.5K 2.9K 18

    The monsters have been liberated from the Underground by Frisk. You didn't mind the monsters, they were nice. You befriended Frisk, Toriel, Nabstablook, Sans, Papyrus, Undyne, Alphys, Mettaton and Asgor once they the monsters had settled in. The monsters attended human history classes and the humans attended monster...

    Completed  
  • A Little Bonely (Sans X Reader)
    341K 8.5K 51

    Monsters always fasinated you. Ever since Frisk broke the barrier and freed the monsters, humanity didnt take it too well but they are slowly getting used to it. Slowly. Very...slowly. (btw Chara is depicted as a female in this story, and so is frisk. Dun be triggy) HEY ALL! This is my first fanfiction EVER! so dont j...

  • Just give up, I did (Sans x deppresed!reader)
    98.3K 2.6K 21

    One day you just need to escape from harsh reality, maybe the stories of Mt. Ebbot are true? *Trigger warning, this book does get dark*

    Completed  
  • I love you a skeleTON ( sans x chubby reader) (discontinued! Sorry!)
    173K 3.5K 32

    Mainly what the title says. Lots of Sans, ton of SANS, Undertale sans, undefell sans, ALL THE SANS. BUT WITH A CHUBBY READER. WHHHAAAAT I KNOOOOW. READ FOR THE FLUFF THE CUTE FLUFF. (BUT IF YOU WANT SOME LEMONS HONEY, YOU GONNA HAVE TO WAIT TILL I GET THOSE IN ANOTHER BOOK. ;) ) Also, there will be a request chapte...

    Completed  
  • Sans x reader (together)
    237K 6.3K 20

    Hiya! This is going to be my first fan fiction. I have recently been obsessing over undertale, and sans is my favorite character. I have already read a lot of sans x reader and decided that's what I wanted to write. I don't know how long this story is gonna be or how often ill update, but ill see how it goes and if yo...

    Completed  
  • Into The Game >> (Sans X Reader) Undertale FanFiction
    217K 8.8K 23

    It was just a normal Saturday. (Y/N) was playing Undertale for the millionth time. She was obsessed. (Y/N) had played all of the routes. True Pacifist, No Mercy/Genocide, Neutral. She experimented with killing certain characters doing different things. Then, as (Y/N) started a new game, she felt a falling sensation...

    Completed   Mature
  • You Look Like A Million Bucks (Sans x Reader) [COMPLETED]
    40.4K 1.4K 12

    (Y/N) is an eighteen year old millionaire, she lives in a beautiful mansion and has more money than she knows what to do with. It seems like she has everything a person could ever want, but...she doesn't have her parents. She lives in isolation, she hasn't trusted a single soul ever since her parents were murdered...

    Completed  
  • Power to Heal (Underfell!Sans X Reader)
    83K 3.2K 41

    You wanted to help but it was too late... So, you left. Tears filled your eyes as you thought of the one person that needed you the most... They were gone and it's your fault. You ran and ran trying to escape reality. You thought if you could run far enough or fast enough that you wouldn't have just lost everything...

    Completed  
  • Mafiatale Sans x Reader
    22.2K 559 14

    You are a 16 year old girl who has lost your parents and you meet this very gentalemish man, or monster. NO LEMONS I'm 11 NO LEMONS!!!!!!!!!

    Completed  
  • Horror Sans X Reader
    140K 2.5K 27

    You know what it is about except I'm gonna add that you were abused by your family. And there might be some things that get really close to Lemons.... or are Lemons.... that's kinda up to you personally if it's a lemon or not...just to let you know! You have been warned.

  • Forget Me Not (Dt Sans X Reader)
    27.3K 697 23

    It wasn't your fault you were in this situation. It just happened at random chance, now you were stuck in a loop. A endless repetitive loop of death and obsessive love. He wanted to keep you forever, and if it meant becoming a monster worse than anything, he'd be okay with it. After all, he LOVED you~ Heyyyyy Someth...

    Completed  
  • My Knight In Shining Bones (Sans x Reader)
    42.1K 1.2K 14

    What instead of having a son, Toriel and Asgore had a daughter? A daughter who never died? A daughter named (y/n). Monsters have been locked in the underground for many years now, and their only hope is to collect seven human souls to break the barrier. With six souls in their collection, they're so close to breakin...

    Completed  
  • Alive (Yandere Fell Sans x Reader)
    32.9K 812 36

    ~Cringe~ You're Little Red Riding Hood, but you took a wrong turn while delivering cookies to grandmother's house. He isn't the wolf, he's a bear that eats wolves. A bear who got a little too attached to a certain little girl in a red hood. ••••old description•••• the moment that i met you, i knew that you where meant...

    Completed   Mature
  • Repo Man (Mafia!Sans x Reader)
    52.2K 2.1K 21

    In a startling post-apocalyptic world, society is divided into two orderly classes. The human race stands on top, untouched by nuclear war in the city of Chicago. Monsters are at the bottom of the food chain, confined to live in run-down apartments, minimum wages hard to come by, the backbone of the work force in Chic...

    Completed  
  • Bruised To The Bone: (Sans x Reader)
    111K 3.7K 52

    (Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidentally hurts someone, and they bring her almost to the point of death, trapping her in her room. After the incident, time has begun to reset. Two months p...

    Completed  
  • A "Human" That Likes A Skeleton
    240K 8.9K 83

    Began on: August 24, 2016 Completed on: August 24, 2021 The Underground Barrier has been broken for three years, and you're a girl with a secret, one day you're walking back home to your apartment after a grocery trip, when you bump into someone, little do you know that someone had a role to play in your near future...

    Completed  
  • My Bonely Love (Sans X Reader)
    53.8K 1.5K 18

    Monsters are finally free to roam above the underground! After splitting up with Papyrus, Sans starts to feel a bit bonely. That is... Until he meets (y/n) (y/l/n). Then his world flips upside-down. But when people start to become scared of monsters, will this romance be able to last? Or are monsters and humans destin...

    Completed  
  • {sans x reader} New Life
    7.4K 187 23

    sooo this is my first story fyi so if it sucks.... whelp. Anyway, Y/N is a 20 year old girl (sry if ur a boy) who was left with a fortune. Her parents left her and moved to Colorado. The reason for this was because she was....different, she had magical abilities. One day she hears a mysterious knock on her door. (you...

    Completed  
  • At the Surface (Sans X Reader)
    498K 20.2K 62

    The monsters have finally made it to the surface and have been legalized to roam the surface as they please. The first couple of months have been spent as a paradise where humans and monsters have lived in peace and happiness. But as we all know, humans tend to be afraid of what they don't understand and the appearanc...

    Completed  
  • Not like them ~ A Sans x Reader ~
    61.3K 1.5K 22

    Disclaimer: this story was written when I was very young and didn't know how to write, apologies for poor writing My name is Y/n L/n. About two years ago monsters had returned to the surface. Many people don't like them back, but I'm not like that. I secretly support them, I secretly do because my family doesn't appro...

    Completed  
  • Saving Them Sans x Reader
    47.2K 1.3K 21

    The three powerful humans in control... Frisk- pacifist. Can reset. Chara- genocide. Can reset. Y/n- Neutral, though they haven't ever killed anyone. Can't reset. Y/n falls. Every timeline she has a single goal. Stop the genocide. Even during a Pacifist Route she can't ever relax. She wants to save her friends and st...

    Completed  
  • Sans x Reader | Empire
    375K 11.7K 46

    Sometimes life gets to the point where you feel like you're a paper airplane. One minute you're soaring, feeling as if nothing could ever get you down. But then the next thing you know, you're falling slowly and nothing that you can do can possibly help you. You end up falling and crashing into whatever's below you an...

    Completed