Grillster Stories

41 Stories

Gaster x Grillby (Grillster) by gone1deleted1bye
#1
Gaster x Grillby (Grillster)by bye
The art in this story isn't mine (if i feature my own art i'll say low chance i will seeing I can't draw grillbys head) This is story happens before Gaster falls, but th...
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
What it Means to Persevere  by SpiritWolfNura
#3
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!
Grillby x Gaster [Lemon Oneshots] by Unkempt_Mess
#4
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...
Ask Grillster by Mythical_Underwear
#5
Ask Grillsterby undie
ASK ANY QUESTIONS to our favourite flame and scientist, goop, skelly dude.
silent love -Gaster x Grillby- by Its_me-Haunter
#6
silent love -Gaster x Grillby-by Hello There!
no se necesitan palabras para ser pareja.
The Sad Love that Kills by Eggthehappy
#7
The Sad Love that Killsby Eggthehappy
!WARNING! This story may include self-harm, killing, blood, and Happy pills! If you are sensitive to these things, do not read! 2 years ever since the monsters have been...
Completed
Ask and Dare Grillster! by maybe-frisk
#8
Ask and Dare Grillster!by ♡
hello! i'm back! :)
Completed
Why is Love So Hard? by Readingismyliving
#9
Why is Love So Hard?by rEaDiNgIsGrEaT!
Gaster is the head Royal Scientist, bearing with it a lot of responsibility. But with his workaholic personality and refusal to sleep, this makes for a lot of injuries...
Nervios hilados a mano by micaelaxxx100
#10
Nervios hilados a manoby Micaela .B
Grillby recibir un mensaje de que Gaster tenía una noche libre, y por lo tanto un posible fin de semana libre , fue la emoción perfecta para enviar al elemental de fuego...
Finding Your Parts (Grillby X Gaster FanFic) by Frolicsome_FanGirl9
#11
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...
I Always Wanted by justmaxingoutourplot
#12
I Always Wantedby Justice and Max
I always wanted him to be with us. I never blamed him, it was an accident. He was saving me. I still wanted him with us. But now, he's here. So I can't wait to do what I...
A Very Grillster Christmas by Nerdygamer7
#13
A Very Grillster Christmasby Nerdygamer7
An undertale love story One of my favorite ships! Grillster! (GrillbyXGaster)
I Still Remember by Meta_Aster
#14
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...
Hyacinth by AnchestorArna
#15
Hyacinthby Anchestor
"You know, we've met before, actually." Gaster said, careful to keep his tone casual. Grillby looked up from the glass, and studied Gaster's face. "I don'...
Completed
His hidden burden of pain(le Grillster) by villan_top-hat
#16
His hidden burden of pain(le Grill...by villain.simple
Ok fine I'll tell you the progluge.... This is different from other cute beautifully talented Grillster fanfics that I APSOLOTLY fricking love...ha you thought I would g...
Blaze of Night by AnchestorArna
#17
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...
A promise for a lifetime by AnchestorArna
#18
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...