Wdgaster Stories

195 Stories

To Hell and Back (Gaster x Reader) by xsfolia
#1
To Hell and Back (Gaster x Reader)by everail
"What's that look for? Are you perhaps unhappy to see me?" "Oh no. Oh no, quite the contrary, my love. I've craved to be with you for the longest time&quo...
Completed
The Time Before (Undertale) by ANinnyMouse42
#2
The Time Before (Undertale)by ANinnyMouse42
~o0o~ Book 1 of the "Better Times" trilogy ~o0o~ (Book two: "A Name to Remember") (Book three: "No One is Happy with This") There was a tim...
Completed
Gaster One Shots 3 by EmilySkelewolf
#3
Gaster One Shots 3by Lady of WIP
THIRD TIME IS THE CHARM! [Highest ranking #98 in fanfic] NO IMAGES R MINE
Completed
A Name to Remember (Undertale) by ANinnyMouse42
#4
A Name to Remember (Undertale)by ANinnyMouse42
~o0o~ Book 2 of the "Better Times" trilogy ~o0o~ (Book one: "The Time Before") (Book three: "No One is Happy with This") Ah. Hello there. Y...
UnderCorrupt by ANinnyMouse42
#5
UnderCorruptby ANinnyMouse42
I have an Idea for an Undertale AU. And apparently, it's a good idea? So here, have a book. --- Long ago, two races ruled the earth. But when a plague of corruption swep...
Completed
SOULs {Fem! W.D Gaster X Male! Reader} by Archdrive
#6
SOULs {Fem! W.D Gaster X Male! Rea...by Herochurl
You are the elder brother of Frisk. I'll explain later. This book will not be updated for a while, sorry. Completed: December 2nd, 2020 SC Book# 12
Completed
Darkness' Eternal Bride (Gaster x Reader) by xsfolia
#7
Darkness' Eternal Bride (Gaster x...by everail
WARNING: THIS CONTAINS HIGHLY MATURE CONTENT (BLOOD, VIOLENCE) READ AT YOUR OWN RISK Money can change a lot of things. It can even change your destiny. Plunge yourself i...
Completed
× [Sickness] × || Undertale Fanstory || The Gasters/Skeleton Family by Nanaz_Nazmaki
#8
× [Sickness] × || Undertale Fansto...by Nazma Grace Lambert
One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still...
Toddler in UnderTale  by _NightSpirit_
#9
Toddler in UnderTale by Night Spirit
A young child fell into the Underground once again Back to the bed of flowers, where it all began What will they say? What will they do? "heh...yer not Frisk...are...
The Mountain's Hero by SleepDeprivedFan
#10
The Mountain's Heroby Sleep Deprived Man
A world of Humans and Monsters stuck in a time loop getting murdered over and over. Finally break free when a young hero stops a young child from jumping by jumping afte...
ShelterTale by docemoon145
#11
ShelterTaleby docemoon145
An UnderTale AU where W.D. Gaster is King before the war instead of Asgore Dreemurr. Gaster is not as naive a ruler and sees the war with humans coming years before it a...
Meeting Walker Duncan Gaster by SpiritWolfNura
#12
Meeting Walker Duncan Gasterby Kyran Wolfe
What if when Gaster fell into the C.O.R.E, instead of ending up in the Void, he was transported to a different universe were magic doesn't exist and he is turned into a...
Completed
From Darkness, Love Came Through by FinleyLivesInTheVoid
#13
From Darkness, Love Came Throughby Finley
A long KingDings fic because this ship does not get the attention I think it deserves. I love this ship, and it's adorable. I plan on making this a full story, so buckle...
Anomalies  by SpiritWolfNura
#14
Anomalies by Kyran Wolfe
Frisk had seen everything. Heard every story, but they still have two more questions. What happened to the Man Who Speaks In Hands and how is Sans connected? . . . Perha...
Completed
The Comedian Skeleton In SDM (Last Breath Sans X Touhou) by AslancanTr
#15
The Comedian Skeleton In SDM (Last...by Aslancan Tr
This Story is taking place after the phase 3 event of Sans, finally losing against the human. Sans wakes up in a mansion and meeting with a blonde yellow with ponytail h...
Wild and Free by SpiritWolfNura
#16
Wild and Freeby Kyran Wolfe
Everyone thought all the monsters were sealed Underground, but upon making it to the Surface, a couple monsters nobody has ever seen before starts to make an appearance.
One Step At a Time. || Greyster by currently0ffline
#17
One Step At a Time. || Greysterby saturn
Jessica understood that Gaster wasn't too fond of her. No matter how hard she tried, her efforts to make him feel better always backfired. But she was sure he'd change h...
The New Bad Time Trio [BNHA X Undertale] by PixelizedReader
#18
The New Bad Time Trio [BNHA X Unde...by Tchevo Blyat
Izuku, Uraraka and Shoto all have weird dreams. They each meet one member of the Skeleton Family. W.D Gaster, Sans, and Papyrus.
Broken Hall Of Memories by fanfictionreadervek
#19
Broken Hall Of Memoriesby fanfictionreadervek
-I DO NOT OWN UT OR SONGS OR PICS USED- Sans the Skeleton is the Royal Judge. Secretly the Strongest Monster of the Underground. But publically and due to his HP, he's a...
Living With Little Gasters by Melody-Sapphire
#20
Living With Little Gastersby Melody-Sapphire
The Gasters have lived in the void for too long, they come up with a spell they believe will send them all back to their homes, or at least a universe less.....empty per...