Soul Mates (Sans x reader)

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Forget Me Not (Dt Sans X Reader)

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...

Just SING | Sans X Reader

--Long ago, two races ruled over Earth-- --HUMANS and MONSTERS-- --One day, war broke out between the two races-- --After a long battle, the Humans were victorious-- --They sealed the monsters underground with a magic spell-- --Many years later...-- --MT. EBBOT, 201X-- --Legends say that those who climb the mountain n...

Life is PURR- fect with you in it (sans x cat reader)

After frisk freed monsters for the last time, sans began to get really bad depression. It got so bad that he wouldn't eat for days on end, making him weaker than he already is. Papyrus decided to get him a therapy pet to help him on (your birthday), when sans met the cat named y/n, he instantly grew attached to it. Th...

【Angel of Blood】Underfell!Sans X Reader

Description: Once a long time ago, the multiverses were doing what they would normally do and were getting along just fine. Suddenly, it changed. Y/N L/N fell along with their parents into the Underground. In this world, it's LOVE or love.

You Promised (Sans x Depressed!Reader)

"Sans...you promised me..." "You promised you'd never leave me..." "Heh...I really am worthless, huh...?" "..." "I guess I should just let you be, then..." "Goodbye..."

I'll Save You (Sans x Abused! Reader)[FINISHED]

(Y/N)'s parents abuse her since she was the mistake in the family. MONSTERS has been released from the underground by Frisk. Frisk And (Y/N) go to the same college (Frisk is older in this). Little does (Y/N) know , she met someone who who cares for her. What will (Y/N) do??

Cryokinesis ╪ Sans X Reader

"Blue", a old friend gave her that nick namename. Her real name is Y/n L/n .y/n has secrets that she MUST keep a secret. Her secret? Well... It wouldn't be a secret if I told you. (Originally Ice Cold) Highest ranks #1 in Sans X Reader #331 in Fanfiction

Sans X Reader~When the underground finds you, let it take you.

Have you ever thought about what it could be like as a hybrid? Ever think what it would feel like to lose your parents? To be hunted down every day of your surface life? What if that question could be answered? Well I've got an answer for ya. It can. So, when the underground finds you, let it take you. . . . So...Heya...

Mindless (Sans x Reader)

What if you had no choice? You are being controlled by a Demon to kill your friends and the one you love over and over again. Each time you gain control over the demon it's usually too late. When you finally get close enough to stop the demon how do you manage? A SansxReader undertale fanfic written from your point o...

Magic Humans and Monsters (Sans x Reader)

-FIRST BOOK OF THREE- Ever since the War, magic humans have been training to kill all monsters when they escape. They've even built a special school designed for teaching young magic people how to use their powers for destruction. Y/N was a magic person, born of nonmagic parents. But Y/N is not a vicious person and d...

Stay Close to Me (Reader x Sans)

You (y/n) have a lot of friends now that you have freed the monsters from the underground. Everyone seems to be happy with their lives. You decided you wanted to go visit your old monster friends from mt ebbot.

Demons Love [Underfell Sans x Demon-Reader]

Y/N is a half Demon Half Human, who lives with her friend Amy. They moved to a little town recently where Amy has loads of friends, which is the reason both of u moved there. Now... Only Amy knows ur little secret about u being half demon. Also ur the type of gurl who is kinds shy sometimes, has MAJOR ANGER ISSUES...

A New Soul (Sans X Female Reader)

(Y/N) absorbed a monster soul when she was little, gaining skeleton powers. Many years later, (Y/N) and her sister Frisk fall into the underground, meeting Toriel, their new mother, Papy, Undyne, and of course Sans. Will (Y/N) and Sans finally realize that they have feelings for eachother, or will Asgore find (Y/N) be...

The music within us Sans x reader

This is a rewrite of my other book Musical Souls, which is still up on my profile if you'd like to read it :) I'll add in a more personalized description as I get further in, but for now here's just a few little facts. This is a sans x reader! Pretty much normal Undertale Au but with a few small changes. Nothing to n...

You're My Sunshine (Sans x Reader)

You find yourself at Grillby's thinking about a certain friend of yours. Of course, by an either amazing or cruel twist of fate, you get stuck having an overnight stay at Sans and Papyrus' house. While you're there, you happen to meet up with that comical friend of yours who thinks it's a good idea to hang out with yo...

Furtastic

A girl who has never seen the world outside of the lab sees it for the first time only to fall down into the underground. What will she find down there?

Power to Heal (Underfell!Sans X Reader)

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...

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...

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...

Bruised To The Bone: (Sans x Reader)

(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...

C A N C E L { Sans X Reader }

How many times have you seen this world, how many resets does it take for you to give up hope? Does anything even matter after all this, does trying do anything? Will the struggle help at all, can I even believe in anyone anymore? The only thing keeping me going now is my resentment.

This Flowers Already Dead. (Sans X Depressed! reader)

You were alone on the world. Demons from your past chased you as your life on the street worsened. You had no love, yet you felt no hate either. For you simply existed. Though you did not have any reason to feel the darkness that was constantly there with you, you did. And it consumed you. Little by little. A orpha...

Restart: A Sans x suicidal reader

You're depressed. Not only depressed, suicidal. Your whole life has been meaningless, and gone off the wrong road. Taking the leap, you try to end your life, only starting a new one. What's going on? *Keep in mind the first few chapters will be worse than the ones further along, as my grammar wasn't great back then. N...

Sans X Depressed!Reader

Y/n fell into the underground when she was 13. When she 1st fell Chara tried to convince her to be her "friend¨ but Y/n, being smart, disagrees. Chara becomes angrier as Y/n keeps sparing everyone. Chara knows Y/n isn strong enough to leave the unground by herself yet,so she has 5 years to get into Y/n's mind, to br...

When Two Fates Intertwine (Sans x Reader) DISCONTINUED UNTIL FURTHER NOTICE

[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...

Unexpected Love | Sans x Reader

You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip over a root in the ground and fall forward, expecting to hit the ground. Instead, you were met with open air. As you fell down the large hole, you let o...

Someone Really Cares About You (Sans x Depressed!reader)

This is the second book! If you haven't read the first one it's called 'Just give up, I did', please give it some love, I worked really hard on it! *Trigger warning, this book does get dark*

(Sans x Reader) When Two Souls Meet

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over and over again. Sometimes, he'd even done the killing himself. And no one ever remembers. Not even the kid herself. It's an exhausting cycle, one that...

Just give up, I did (Sans x deppresed!reader)

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*