Mafiatale - An Eye For An Eye (SansxFrisk)

HERE IT IS! Mafiatale! NOT MY AU! My own version. SANSXFRISK They my OTP. I hope you like this story! Another Fransfic to go!

Afterdeath (Geno x Reaper)

Geno has been trapped in the Save Screen for many years... He couldn't take the way his brother, Papyrus, always dies and the human always get's away with it... Alone... afraid... and worried... Geno has always set a goal for revenge... Till one day... he was free from the save screen mysteriously winding up in a worl...

Where did this come from? (Errink)

Error and Ink had been fighting for as long as they remember, but neither was ever going to win. So instead Ink decides to hold out the hand of friendship, which Error takes. But being friends won't be easy, expecially with something unexpected building up in the background. Maybe in the end they'll find that enemies...

Blue Strings Of Mercy

(I do not own this picture or any of the characters, Undertale and any AU's in this. I only own this story.) The Original Error was angry, destroyed everything he could and became known as the Destroyer once he was dragged into the Anti-VOID. He was driven mad by the screams that only he could hear as he lost all his...

My skittle face [Error!sans x Ink! Sans]

"Your my skittle face and mine alone" he said The other skeleton blushed madly and covers his face with his hands "See there's my candy skull" he laughs [Book 1 Complete]

(OLD) Broken Pieces (ErrorInk)

❗️THIS STORY IS BEING REWRITTEN❗️ ❗️GO CHECK OUT THE REWRITE❗️ ❗️The rewrite is named Broken Unsaturated Pieces❗️ Ink's motivation is draining from him, his thoughts tainted with negativity. He try's to hide the truth from his friends with positivity but that's slowly failing. Dream and Blue are worried for there fr...

Painted Strings (Ink x Error)

Ink and Error has been fighting for many resets/years. One day Ink wanted to stop fighting confronting to Error. Error took it as an advantage attacking Ink but Ink didn't fight back... As Error caught Ink in his string Error was confused... Why is he not attacking? Why is he getting himself killed? What is this feeli...

Tattoos

Contains really triggering stuff, please don't read if you're sensitive, even in the slightest. An Errorink fanfic, Ink hadn't drank paint for a long while, sick of feeling negative emotions. So he took them all away entirely to remove all emotions. Error wasn't happy to learn what he did when he was off paint. Cover...

His Dream

A fluffy Sansby story. Sans has a dream that reveals unexpected feelings, now aware that he is in love with Grillby. After a while of avoidance, he decides it's time to see the fiery bartender and tell him the truth. He deserves that doesn't he? (Art not mine, check out le-poofe on Tumblr!)

It Started with a Tab

A Sequel to 'His Dream', a Sansby fanfiction. This time Sans pops the big question and brings a new light into Grillby's life. And don't forget about the weddings! Art not mine! (Anyone know the artist??)

Tibia honest you look hot

This is not a once upon a time story and it might not end with a happily ever after because one day sans admits his true feelings towards grillby. They end up hanging out together until things go wrong. Evil has leaked into the peaceful underground haven and might break the two lovers apart. What ever could they do? Y...

The Comedians Mask -Undertale *Discontinued For Now*

Sans is a comedian, telling puns and playing pranks is part of who he is. Or is it? Resets, his parents deaths, and bringing up his brother alone has all taken its toll on the pun loving skeleton sending him into a spiralling depression. His comic front is becoming harder to uphold against the wear of time, only to be...

InSansity(undertale)

(book 2/2. last book: secrecy) Sans finally reveals his past. but who is W.D Gaster?

One By One (COMPLETED)(A UnderTale Genocide Story)

(UnderTale completely belongs to Toby Fox, I in no way helped him create the game. I'm just simply a huge fan and want to write a short Genocide route fanfiction. Also, this story is COMPLETED, so don't expect any more updates. I also drew the cover.) A long time ago, the first human fell down into the ruins. A monste...

secrecy (undertale)

everyone knows that sans is hiding something, that he knows more than he lets on. But what? What will happen after they fake a genocide?

No More (Undertale)

For years, Papyrus knows, Sans has had nightmares. Horrible nightmares, nightmares that leave him crying in the dark, crippled in the mind, and barely able to function in life. And that's why Papyrus stays so happy, so bright, for Sans, to keep his brother going through the hard times. But when Papyrus starts having...

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...

Don't Forget

A human fell into the Underground, and began befriending every monster they came across, including the skeleton brothers. Their acts of kindness seemed to be genuine, giving the monsters no reason to distrust them... Until the human pulled a one-eighty and killed Sans when everyone least expected it. This is the story...

GASTER BLASTER SANS AND READER

(Y/n) was Frisk's older sister. She became friends with all of Frisk's friends and they loved bring around each other. So one day they went to the park but sans didn't come. Papy said that sans wasn't feeling well. But they soon found out that sans turned into a giant Gaster Blaster thing and he saved (Y/N) and Frisk'...

The Smell of Old Books (Sans/Reader)

The old bookstore wasn't your home anymore, you finally realized. It was with them. It was with him. (Sans (Undertale)/Reader. The story takes place in second person view. Reader is not Frisk!) (art is by @Elmer_Heiji on twitter)

Youtubers(A Sanscest Story)

(UnderTale belongs to Toby Fox, and I don't own any AUs unless stated! This is Sanscest ships, so if you don't like Sanscest but like Undertale, fret not, because I have more UnderTale stories on my profile!) This is based off of the old version of Office Antics on YouTube when it first started, where a bunch of Youtu...

Wolf? (COMPLETED)(A Sanscest Story)

(I do not own UnderTale. That belongs to the brilliant Toby Fox! I also don't own any of the Sans except for their children, I just own this story and cover art! Be warned, this is Sanscest, so yeah. If you don't like Sanscest but like Undertale, I have classic Undertale stories on my page, so make sure to check me ou...

Paper Stacks(COMPLETED)(Sanscest × The Office)

(This story is a crossover of the many UnderTale AU's and a show called The Office U.S on Netflix. I don't own any of the AUs, I don't own The Office, and I don't own UnderTale either) Ah, an office. A paper supply office. You'd think working there would be boring, quiet, but it isn't exactly like that. With two branc...

We Are A Family (Multiversal FGOD Error Fanfic)

This picture does not belong to me, it belongs to Iyoth737 on deviantart. This is inspired by @harrish6 and their "Falling Into A Different Destiny" NaJ story. Read HWHBB and FiaDD before this. Thank you. Enjoy (or not)!

SOUL-BOUND

An undertale multiverse ship book. This book contains lemons. (However they are HEAVILY story based so if pure x without story is what you're looking for, you came to the wrong place) Also If lemon is not what you are looking for, or upsets you in any way, then leave it's easy. I make many more books than this, I'm...

Cryophobia - (Sans x Reader)

Next person to comment on this monstrosity gets fucking vored!! × ❝You made your choice a long time ago.❞

My Knight In Shining Bones (Sans x Reader)

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...

Hueless [Undertale Fanfiction] Sans x Reader

In world where no one can see any color one might ask, why? Why could humans only see grey, black, and white? Well that's simple, have you ever heard the legend of the monsters? Legend says they are still alive, though most humans don't believe. A single book tells the story of soulmates, and the Hue Drain. Many gene...