Adopted By Monsters -Undertale × Baby Reader- - 鏡花水月 - Wattpad

Adopted By Monsters -Undertale × Baby Reader-

Reads 157,187
Votes 3,214
Parts 25
Time 44m

Reads 157,187
Votes 3,214
Parts 25
Time 44m

baby borednow okayimmastop runningoutoftags tolazytoputmore undertale xreader

Spoilers! If you have not seen both pacifist and genocide routes of Undertale, get out! You have been warned! 


Sans finds a baby on the streets. The monsters of Undertale decide to adopt them. What can possibly go wrong? More than they thought. 


Undertale, images, music, and all that stuff does not belong to me. All credit to them!All Rights Reserved

baby borednow okayimmastop runningoutoftags tolazytoputmore undertale xreader

Table of contents

25 parts

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Content Guidelines

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Stone Cold Pacifist (Horror Sans x Reader) by ReapingZen

PLEASE READ BEFORE GETTING INTO THE STORY. Your name is (Y/n), and you play the role of an unusual pacifist. In the story of Horrortale, your unique soul allows you to see WD Gaster who no longer holds a powerful connection with the underground due to the inactive core. After your parents are killed, Gaster makes a deal with you. He will help you extract revenge on your parent's murderer, and in return... you were going to fix the core in the underground. While Sans failed to do it when everyone went insane, you knew what you had to do because well. The creator of the core told you everything that you needed to know. The real trick isn't the resources that you've been gathering during your time on the surface for the job, it's the things that are in the underground that you have yet to obtain. While it is true that you have a lot of experience with fighting and a high amount of LV thanks to Gaster's guidance... you now decided to stop killing, and start saving. ...... But can a stone cold pacifist truly manage her way through Horrortale? Okay, a quick note. This story is rated mature, blood, gore, some more sensitive things that you might find extremely suggestive. Since people are enjoying my Nightmare x Reader story, I decided to do a little bit extra. My updates with this book will be a bit slower. (Totally didn't write this story because I wanted to do a drawing of horror for the cover.) This story is kind of a slow burn, but unlike my other story, the reader is no pushover. Like in the The King's Queen, the cover DOES belong to me, so please do not steal it, etc. Remember these important keys when it comes to reading the story! (Y/n): Your name (E/c): Eye color (H/l): Hair Length (H/c): Hair color (S/c): Skin color (F/c): Favorite color

Divided [ Sans X Reader ] by morrow-

Almost four years marking the anniversary of monster kind reaching the surface, the human ambassador Frisk goes missing. Severing the link between the two species, an all out war breaks between humans and monsters. After bloodshed on both sides, monsters emerge victorious. Yet somehow a miraculous town in San Francisco has evaded the warfare and even has an orderly society. And despite everything, Sans keeps encountering a girl who has saved his life one too many times. When your fate and Sans' intertwine, it becomes apparent that the relationship between the two of you extend beyond this timeline. You are plagued with memories of a distant life and Sans begins to hallucinate visions of a not so distant past. Insanity seems to be eating away at the two of you and it's only a matter of time before someone cracks.

LOVE Madness (DT!Sans x Reader) by xXDiabolicEnigmaXx

Deep underground, a child is on their way to a genocide route. Sans comes to a conclusion where he needs more LOVE in order to defeat Chara. He becomes corrupted and slaughters every monster in the Underground. How will you save him now? (This art belongs to it's rightful owner)

Adopted by Monsters by CreateBella

Hello, this is an au where the bad sanses adopt a kid which would be you ^^ only brotherly and fatherly love ^^ please enjoy this! This book was inspired by a book I read a few days ago. you were adopted by skeleton monsters let's hope you get along with them all! I hope this is rather interesting because I have never seen this concept before enjoy once again!!! all genders are welcome!!! This is a Child Reader x Bad Sanses thingy. Cover art will be uploaded soon!

Two jackets || Sans x reader || Read desc. for TW (ARCHIVED, NOT FINISHED) by BloopsLoopsNopes

TW!!!! The story will go over topics of s*xual abuse, and other things of that sort. A dream of hope, of love. There he laid, someone. They couldn't see him but, they knew, he was just like them. Alone, worried, and maybe even scared of life. There they chased, after their jackets. A few years after monsters emerged from mount ebott, they quickly made their presences known to everyone, and they started to spread everywhere. Of course, some people were scared of these new monsters, but others welcomed them. (DO NOT WORRY, I will not abandon ship, even after a long break!!! This will get finished.)

My Soul? It's Yours. by arinjlocke

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 pacifist and the genocyde routes.

True Pacifist by ghostsareawesome

Show off some mercy, human! A human child has fallen down into the underground. Only the chance of leaving is crossing the barrier, the one-way exit of the underground. The human forced theirselves on a journey making friends, giving off mercy, and filling theirselves with determination. The epic tells the entire story of Undertale's Pacifist Run. I am not responsible if you're gone spoiled. SPOILERS ALERT... but I think you know it already...Go ahead.👊👊 This fanfic is fully bound by Canon. Created: 03.25.17

A Tree, For Us (Sans X Reader) by TheAbandonedQuiche

CONTAINS SPOILERS FROM BOTH PACIFIST AND GENOCIDE RUNS After a horrible situation, I (Y/N) scaped from home to avenge my (sibling). In a failed attempt, I got lost and fell through a hole, in there I found another world... "the underground". I meet many friendly monsters, one, specifically, changed my whole life. Both of us will try to give the monsters the liberty they deserve. And this is how all happened... (Cover made by me :3)

Below Ground by UniSempai

[Part One of the Timeline Series] You were a foster child from since birth, you never liked the foster parents you were sent to, they were always 'unworthy' of taking care of someone like you. You had enough after the last family, you wanted freedom, peace, you ran away from home, falling down large hole leading to the unknown world of monsters below. Can you really find peace down there? Will you find freedom? Love even? Or will everything take a turn for the worst?

Someone Really Cares About You... by animeluver15

Timelines; a word you don't seem to understand after going through a genocide run and sparing Sans before restarting. Now you've restarted, forming lost relationships you forgot you made and forming a stronger bond with the punny skeleton himself, Sans. It seems if you want to find out more you'll have to read. SPOILER ALERT: This does rely highly on the actual Undertale game. If you haven't played it yet or are planning to then I suggest you don't read. However if you're cool with spoilers or have played the game then enjoy! I hope you have a very... HUMERUS time!

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Slide 1 of 10

Stone Cold Pacifist (Horror Sans x Reader) cover

Divided [ Sans X Reader ] cover

LOVE Madness (DT!Sans x Reader) cover

Adopted by Monsters cover

Two jackets || Sans x reader || Read desc. for TW (ARCHIVED, NOT FINISHED) cover

My Soul? It's Yours. cover

True Pacifist cover

A Tree, For Us (Sans X Reader) cover

Below Ground cover

Someone Really Cares About You... cover

Stone Cold Pacifist (Horror Sans x Reader)

PLEASE READ BEFORE GETTING INTO THE STORY. Your name is (Y/n), and you play the role of an unusual pacifist. In the story of Horrortale, your unique soul allows you to see WD Gaster who no longer holds a powerful connection with the underground due to the inactive core. After your parents are killed, Gaster makes a deal with you. He will help you extract revenge on your parent's murderer, and in return... you were going to fix the core in the underground. While Sans failed to do it when everyone went insane, you knew what you had to do because well. The creator of the core told you everything that you needed to know. The real trick isn't the resources that you've been gathering during your time on the surface for the job, it's the things that are in the underground that you have yet to obtain. While it is true that you have a lot of experience with fighting and a high amount of LV thanks to Gaster's guidance... you now decided to stop killing, and start saving. ...... But can a stone cold pacifist truly manage her way through Horrortale? Okay, a quick note. This story is rated mature, blood, gore, some more sensitive things that you might find extremely suggestive. Since people are enjoying my Nightmare x Reader story, I decided to do a little bit extra. My updates with this book will be a bit slower. (Totally didn't write this story because I wanted to do a drawing of horror for the cover.) This story is kind of a slow burn, but unlike my other story, the reader is no pushover. Like in the The King's Queen, the cover DOES belong to me, so please do not steal it, etc. Remember these important keys when it comes to reading the story! (Y/n): Your name (E/c): Eye color (H/l): Hair Length (H/c): Hair color (S/c): Skin color (F/c): Favorite color