Grillster Stories

41 Stories

Grillby x Gaster [Lemon Oneshots] by Unkempt_Mess
#1
Grillby x Gaster [Lemon Oneshots]by Unkempt_Mess
[NSFW] Hello Sinners! These smutty Oneshots are from my short story "I Never Got To Tell You..." which has more fluffy romance. These are the final lemony chap...
The Purple Flame (a grillby x gaster fan fiction) by 0_the_expert_fangirl
#2
The Purple Flame (a grillby x gast...by EF~chan
All boyxboy haters leave now cuz this story is about to unleash my otp which is grillster
Blaze of Night by AnchestorArna
#3
Blaze of Nightby Anchestor
The sleepy town of Snowdin has some new arrivals: a little family of skeletons. The father, one doctor Gaster, seems to take a keen interest in Grillby. With how allurin...
Glowing Flames by Patchlight_
#4
Glowing Flamesby Ink
Watch me make this absolutely nonsensical ship reality You have heard of Grillster, now get ready for me to insert this ship into the handplates universe OH, OF COURSE...
Finding Your Parts (Grillby X Gaster FanFic) by Frolicsome_FanGirl9
#5
Finding Your Parts (Grillby X Gast...by Melissa
I couldn't help but remember, the memory striking my whole being. Something in my life made me forget. He was my friend. He then died a painful death, falling into the C...
Undertale One Shots (ON HOLD) by ShutTheFuckOff
#6
Undertale One Shots (ON HOLD)by meme stealer
Smutty or not I don't care. Please request I just want to write whether it's about fucking the flower, sucking off the skeletons, making out with Mettaton, or even falli...
Ask and Dare Grillster! by maybe-frisk
#7
Ask and Dare Grillster!by ♡
hello! i'm back! :)
OTP oneshot book by Pixiefoxundertale
#8
OTP oneshot bookby Pixiefoxundertale
A oneshot book for my otp's (I ship stuff other than these, but this is an otp oneshot book, so I'm only writing stuff about my otp's)
In Another Time by CinnamonButterToast
#9
In Another Timeby Gale DuPree
Gaster has been shattered, the pieces of his soul scattered across time and space. He is lost to the void, forgotten. The emptiness is menacing, taking any memories and...
Forget me not by AnchestorArna
#10
Forget me notby Anchestor
The Barrier broken, monsters are enjoying their new home on the Surface. Grillby and everyone else are happily living their lives. Everyone? Yes. E̸v́ȩ̕ry̨͘͝o҉n͡͏e̵. Par...
Completed
I Still Remember by Meta_Aster
#11
I Still Rememberby Meta_Aster
During the war, Gaster had been saved by a certain someone. But 4 years later, when the knowledge-hungry skeleton is enrolled to the newly opened college, he never expec...
How the Hell Did This Happen? (A Grillster Fanfiction) by GasterXGrillby
#12
How the Hell Did This Happen? (A G...by Liaria Guillotine
So, disclaimer: I don't write a lot, that said, it might suck... I'll try, tho... I just saw this picture and wanted to write something for it... But enough about me...L...
It's Your Birthday by CelesteArius
#13
It's Your Birthdayby CelesteArius
Excluding the most important holidays, there was only one other day a year that Grillby's was closed. If anyone actually looked inside, they would see Grillby sitting al...
4TALE BEGINNINGS (undertale) by DeimosRay
#14
4TALE BEGINNINGS (undertale)by Deimos
This is a prequel to my au 4TALE. I decided not to draw this one so I could focus more on the actual story and to get some writing practice! This is mostly going to be a...
It Doesn't Matter That Your Blaze Will Make Me Blind by AnchestorArna
#15
It Doesn't Matter That Your Blaze...by Anchestor
He glanced at the demon. The skeleton was still sitting at the edge of the pond. Still looking at him. "What are you staring at", Grillby snapped. "You.&q...
Fire In my Soul (a grillster story) by TrashBabyRemus
#16
Fire In my Soul (a grillster story)by TrashBabyRemus
WARNING IF YOU DO NOT LIKE BOY X BOY READ NO FURTHER Descriptions: Gaster: Height-5'11 Appearance-this is gaster before the "accident" so he isn't in his inky...
A promise for a lifetime by AnchestorArna
#17
A promise for a lifetimeby Anchestor
To love, to kiss, to sweetly hold For the dancing and the dreaming Through all my sorrows and delights I'll keep your love beside me I'll swim and sail on savage seas Wi...
Completed
Ask Grillster by Mythical_Underwear
#18
Ask Grillsterby undie
ASK ANY QUESTIONS to our favourite flame and scientist, goop, skelly dude.
What it Means to Persevere  by SpiritWolfNura
#19
What it Means to Persevere by Kyran Wolfe
You've seen Sans past. So what is Gaster's? What about Grillby's? Welcome to the Prequel of Forgotten History!
Completed