Grillby Stories

The reader is a patient at a mental hospital who loves fire and just can't stop burning objects, animals, people and even yourself. You just can't stop as your mind is d...

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...

A series of semi-realistic scenarios including a handful of Undertale characters. In otherwords, stick around. ... Please.

Eh.

A random Grillby x Reader story I wrote cause I was bored and actually really enjoyed making this. (Y/N) is a 22 year old woman that hates her job and wants something in...

[COMPLETED | Undertale x Reader] * There is another one of these collections of the famous game "Undertale" with the reader in it. * It fills you with determin...

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...

You've fallen and you can't get up... (#lifealert reference XD) You dont know where you are. A man made of flames, a couple small children, a child goat, a couple skelet...

Either I update fast or you'll wait a month no in between. Normally fast but no promises- #WARNING# Contain slight cursing, boy X boy, sh, torture, blood, possible smut...

I decided to do an ask & dare with my AU, Staintale. Staintale also contains some darker lore... The AU is different... the war and resets have left their stains... nei...

[I wrote this when I was like 16/17 😭😭 Have some mercy lmao] [New Undertale story releasing on April 8th!] [KnY/Undertale Crossover] [Undertale x Reader] Being a Demon...

[THIS IS A SEQUEL TO MY OTHER FANFIC "WHEN TWO SOULS MEET!" If you haven't read it, I would highly suggest it--the story won't make much sense otherwise.] Sans...

A fluffy Sansby story. Sans has a dream that reveals unexpected feelings, now aware that he is in love with Grillby. After a while of avoidance, he decides it's time to...

This is the first fanfic I've ever written so plz don't judge. Reader-Chan is a female BTW but guys can read too. I hope u enjoy it! ^-^ COVER IS NOT MINE

This is the sequel to Burn my frozen heart If you haven't read that yet, I suggest you start there Otherwise nothing in this book will make sense If you already read it...

Sansby fans will love this! P.s if you don't like "giving birth"stuff this is not for you thanks!

The part 2 of comic book of Undertale because I ran out of room.

Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby rais...

- Long story short: You climbed up a mountain, you fell into a hole, and you didn't bother going back to the surface. And why is that? Because of this hot stuff. - I...

Pretty self explanatory. This takes place after the Pacifist route in Undertale. Through determination, Frisk was able to bring back Chara, Asriel (Asriel is Flowey per...