
#1
Reborn as a Echo Flower?by DancingAce1
Where am I!?And why the heck am I suddenly a blue talking echo Flower?

#2
Reincarnated as a Voiceby TiredAndBored
TW: Swearing and slight gore
Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other peop...

#3
Reincarnated as nightmare sans fro...by Karina Sheerin
A women who loves children dies and is face to face with the decision to reincarnate as nightmare sans if she allows herself to be Karmas chosen child.
'Fgod error belon...
![Virus [VERY SLOW UPDATES] by centillionthousand](https://img.wattpad.com/cover/269957430-512-k107104.jpg)
#4
Virus [VERY SLOW UPDATES]by inactive
Fate may have succeeded once, But now, Destiny will let us be together. Once and for all
ₑᵥₑᵣyₒₙₑ wᵢₗₗ 𝆑ₑₐᵣ ᵤₛ․ Yₑₜ wₑ dₒ ₙₒₜ 𝄴ₐᵣₑ․ Yₒᵤᵣ ₚₒwₑᵣₛ wᵢₗₗ 𝆑ᵢₙd ₜₕₑᵢᵣ wₐy ₜ...

#5
No more secrets between usby Hola Comoestas
Nightmare the boss of the bad sanses, dicides to trust his subordinantes and tell them his story and all his secrets, since he thinks that he can trust them.

#6
I Y/n became Chara, how will this...by Moondae
Y/n in the body of the hated and feared Chara, how will that go?
■ This book is inspiered by a dream I had and here is a small peek.
Y/n takes over Charas dead body aft...

#7
reborn as mercilessby noot noot
what happens if someone was born as merciless?
would he make his parents proud?
or
would he support his siblings?
why not both but can he really do that?
lets find o...

#8
Who Am I? by bored_romance
You get reincarnated, you have no memories of where you were before or who you was. Your mind was blank for as long as you know. Everything will slowly come back to you...

#9
"Perfect as expected" Sans aus x T...by Black_soul25
Let's see what experiment happens when a few skeletons are a bit too in love with Y/n
I do not own the photo I use and this is a Yandere story
![HIATUS | Found Family [Undertale / Nightmare Gang] by DeadEnDead](https://img.wattpad.com/cover/351776205-512-k74280.jpg)
#10
HIATUS | Found Family [Undertale...by DeadEnDead
Cherry, an unusual swap-sans type, draws the attention of Dream and Nightmare when he is left the only survivor in his underground.
With his Papy's gaster blasters follo...

#11
A Killer Lifeby nok_nok
adopted story.
original by @Mijunaa :3
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The afterlife of a dead human that reincarnated into a Killer!Sans variant. The facade of the new owner of the body, could he k...

#12
AU High (Sans Au's x Badass! Reade...by I want to be NEENJA
Y/n has a quick wit, a sharp tongue, and a short fuse. She's the second eldest of four siblings who are all elementalists. Due to violent reasons in her other school, Y...
![Error Sans as a parent of Harry Potter [Fgod AU] by SkeleSheena](https://img.wattpad.com/cover/326434135-512-k142443.jpg)
#13
Error Sans as a parent of Harry Po...by SkeleSheena
Error was tired being "villain" title as the forced god of destruction, he went to the edge of the cliff in outertale and he jumped on the endless abyss void...

#14
Mutli: The Child of Balanceby CinnamonSage
Being reborn sucks. I'm now the oldest sibling of Sans Au ship children. I'm the Daughter of Dream, Error, Nightmare, and Ink. So I have a mix of all their powers.
Great...

#15
sans aus x classic sans ship/ pict...by dailyundertaleloser
theses are sans aus x classic sans pictures book if you don't like the following ship please click off thank you for wasting your time on my book ❤️

#16
Y/N the Creator (Alphatale Fanfic)by DynamicCiocea
An Undertale fan gets reincarnated into the Alphatale Multiverse. Will they use the knowledge gathered from their first life to their advantage? Or will they perish, fig...
Completed

#17
Sans Aus x Reader Oneshots (DISCON...by ❌𝕊𝕥𝕩𝕣𝕞𝕩❌
My first oneshot fanfic. This book is discontinued.
Completed

#18
Be Ours~(Highschool)_(Classic Sans...by CAKEhere
Sans ( Classic) doesn't have any family members. He just wants to have a normal life and a peaceful school environment, make new friends but life sucks to him when he m...
Completed
![I want your soul [ Errorink / Errink ] by _Yumikokun_](https://img.wattpad.com/cover/311556832-512-k624390.jpg)
#19
I want your soul [ Errorink / Erri...by -ˏˋ. 𝚈𝚞𝚖𝚒 ˊˎ-
~ This story is inspired by another one...so if you stumble upon a story similar to this one, you know where I got the inspiration :) ~
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A story about a young princ...

#20
A child..(bad sanses x child! Read...by Star!
Y/N, 5 year old, was found in a collapsed AU that just wouldn't be erased from existence. The bad guys found them and took them in as their own. Who knew taking care of...
Completed