Deadly smoke. (Gaster sans x reader)

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TRAPPED - Gaster!Sans x Reader

(Cover Art is not mine.) You don't remember who you are, or who you used to be. You've woken up in an abandoned costume shop with amnesia, after the second human and monster war. The monsters were victorious this time, and practically all that's left of humanity is trapped in the Underground. You find a journal explai...

Gaster!Sans X Reader

Usually, you wouldn't have had the most interesting life. However one fateful night, that had changed. ~~~ Heellllp! I need the cover art owner! The cover art is not my own artistry, and I wish to credit the artist who made that fabulous artsy picture. Please give me a link to their channel/account/page if you find th...

[Gaster! Sans X Reader] Soul Of Freedom

You heard about it. When the barrier was shattered. When monsters were finally free. That was until another war broke down, causing them all to get trapped in the underground again. Rumors spread that the humans killed a child named Frisk for setting them free. "Every monster that we find out in the surface, will be s...

Junkyard Dog and Serious Bones (Gaster!Sans X Female Reader)

((Any OC addition requests are welcome.)) (Y/n)...Known as the Junkyard Dog for her hostile attitude and living situation. Gaster!Sans...Known as Serious Bones for being a serious skeleton...That occasionally says a couple puns. WARNING: Mature Language and some almost lemon-y stuff MAY be included in story COVER ART...

Fix This Broken World (G!Sans X Reader)

"If just this once, maybe it's time to spare a human, this human is quite broken and needs as much fixing as the rest of the world. Son, listen to me." That was what Sans heard the night of the second war. "He's coming now." That was what you heard from the mysterious voice that occasionally spoke to you.

Matchmaking: Gaster Sans X Reader

It was a simple project for your programming class- to make a matchmaking app. Only catch, everyone's partnered with the opposite gender, so each gender gets input on the app. And it's even worse when you get partnered with a flirty skeleton.

Flowerfell Sans x Abused! Neko! Reader

I made this book for @KawiiPotao6678 they have never read a flowerfell x reader so I made this book for them. But all you other people can enjoy as well. Sorry if some of the information on here is wrong I am not very familiar with the Flowerfell AU. I will look up what I can and learn more about it while making it. I...

Some Dreams Left In Darkness (UnderFell Sans X Vampire Reader)

Your walk through the town at night.Ever sense monsters have been free from the mountain. Staying in hiding from the world. The creature that humans a fried of years a vampire. But sense your are the last of your kind you have to be really careful. You have survived the years with help of friends but something happen...

Two Hot Skeletons - which to Choose?《 Gaster!Sans X Reader X UnderFell!Sans 》

[Y/N] [L/N] is just a normal person, but that's when she has call from a very, very important person in her life, and who knew a simple call could forever change her life? Cover made by: BRAINLESSBEING

My One and Bonely (Sans x Reader)

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...

The Bounce Of The Ball Followed By The Steps To The Beat-Dancetale!Sans x Reader

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...

At the Surface (Sans X Reader)

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...

The Book of One Hundred Truths|| Sans x Reader

You are a liar. A huge one, as a matter of fact. But you're given a book by your aunt who told you to write down at least one hundred true things. It doesn't seem so bad right? But what happens when your cousin's friend won't stop bugging you about said book? Will you reveal the truth about yourself, the weird feeling...

Dancing 'till Sunset (Dance!Sans X Reader)

[DISCONTINUED] Dancing was in you the very moment you were born. Sure, no one else in your family could dance, unless you counted your nut of an older brother, but you found happiness and confidence with yourself through dancing. Since your early youth, you've joined the local dancing club and have taken up private le...

[DISCONTINUED]A Bone For A Love?|Nerd And Jock Au x Reader (V.2)

You may live alone but that doesn't mean you can skip school! Now this is a story about a young girl! But no spoils! ------- I rewrite this from the last Bone For a Love And also Art by:Me Don't steal or trace or I will find you Undertale by:Toby fox Underhigh by:Blogtherouge (I think?) WARNING! CRINGE UP AHEAD AND...

Undertale: Sans x Reader

A girl is told about the myth of Mt.Ebot and ends up going to the mountain to investigate it herself. She ends up falling into the monsters home. With out expecting it, she ends up making friends and she finds someone who she has stronger feelings for.

Sans x Reader | Empire

(Adult Lazarus here - I wrote this when I was like 14 years old. Forgive me.) 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 p...

*DISCONTINUED* Can you hear me? [Sans x Reader]

*Discontinued* This is the original version of Can You Hear Me? in it's unedited form. Monsters were back on the surface! But not everyone was happy with the change... though you aren't one of those people! Happy as a (relatively) popular singer, you were oblivious to the growing discontent. That is, until you met Met...

Puns ( Sans x reader )

Warning! There is a chance that there will be spoilers for the pacifist run of undertale. I recommend finishing that before reading this. There won't be any spoilers for the no mercy run, so don't worry about that! Also, don't worry about anything NSFW/lemon if that's not what you're into-there won't be any of that he...

Most beautiful Girl in the World Sans X Reader

Everyone is finally above ground, Sans is on his own journey into the world and He suddenly meets the girl of his dreams. Will his love be accepted? or will humans and monsters never be able to be together

Sansxreader Oneshots[discontinued]

Tbh some of the one shots have multiple parts! And this is filled with trash! So yea, read if ya want to Slow updates sometimes WARNING : THERE IS A LEMON IN THIS BOOK, IT HAS A WARNING AT THE BEGINNING, IF YOU DON'T LIKE THIS TYPE OF STUFF THEN SKIP THAT PART OF THE ONE SHOT THANKS

Angel(Heavenfell Papyrus x reader x Heavenfell Sans)

Y/N never dreamed she would fall down Mt Ebott,but when she does...her life changes for better or for worse...(I hardly know anything about the AU,please don't kill me!!!XC)

▪One Last Dance▪ Dancetale Sans X Reader

Edit: My user was changed from @Whiskeyy_Friskyy to @--Queen__ so yes this book is mine Dancetale It's been years since you saw Sans. He was your best friend before he moved away. He appears unexpectedly with.. who the hell is this?!

Gaster!Sans X Reader

Yes, I find him very attractive. Let's get to the script: I'm thinking I'm going to add something VERY special in this story for all my sinners. OOHHH YYYYEEESSSSS~

Sans X Shy!Reader(LEMONS!!)

What happens when you fall down a dark hole in a dark cave? What would you do?

Blown Through The Rift (Gaster!Sans X Reader)

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...

Sorry About That (Gaster!Sans x Reader)

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...

When Two Fates Intertwine (Sans x Reader)

[THIS IS A SEQUEL TO MY OTHER FANFIC "WHEN TWO SOULS MEET!" If you haven't read it, I would highly suggest it--the story won't make much sense otherwise.] Sans has finally found someone he can trust--Frisk's sister, the eighth fallen human. After months of step-siding and awkward interactions, the two are finally a co...

How To Say "Sorry." (Sans x Reader)

[RELEASE DATE: AUGUST 1RST] A rewrite of Silent Tears- which never really went anywhere anyways. Reader is my OC, June. Sorry if it bothers you, but #Sane is my otp. --- June Windslow was... Interesting. With an interesting life, and beleifs. Overall, just plain different. One day she woke up on a bed of bright golden...