Undertalefrisk Stories

63 Stories

× [Sickness] × || Undertale Fanstory || The Gasters/Skeleton Family by Nanaz_Nazmaki
#1
× [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...
Completed
As if I'd let you go? || Yandere Frisk x Sans!  by AnRizzy
#2
As if I'd let you go? || Yandere F...by AnRizzy
Frisk have fallen to underground as frisk leaved the ruins it seems like she have met with someone a bit too... special to her?
Completed
Fight or flight (South Park X reader)  by Author_ChanChan
#3
Fight or flight (South Park X read...by Kenny Fan
Y/n and her brother Frisk move to the little mountain town called South Park. When they get there and go on a little stroll to meet others and get to know the town bette...
Little Things - Sans x Frisk by DragonzRawesomE
#4
Little Things - Sans x Friskby DragonzRawesomE
{COMPLETED} When Frisk climbed Mt. Ebott, she had expected to simply be erased from existence. But instead, she awoke Underground, and found herself in the hands of crea...
Completed
The good ol' days... ~ Sans x Frisk by FanFictioner4ever
#5
The good ol' days... ~ Sans x Friskby CinnamonBunz
BTW, In this story, Frisk will be a girl. And Frisk is a houseguest, not known as their brother. K? k. Undertale belongs to Toby Fox, this story belongs to me, you belon...
Completed
A Truce?! by Damnthatsalongname-
#6
A Truce?!by UnderTaleFanaticXD
So.. what would happen if the Dark Sanses and the Stars made a truce?? :0
UNDERSPARK by _V01D_V1BES
#7
UNDERSPARKby Nebby
Ever since the last human that fell into the mouth of Ebott, the mountain itself had become cold, with a dark aura surrounding it. This is what brought the attention of...
Rated G - Frans by WattaTopWriter
#8
Rated G - Fransby tira
First of all this isnt rated G like G like general. Its rated gaster!sans. HAHAHAHAH GER LT IR??!?! Echotale Frans! I hope you guys enjoy this story! So heres the descri...
Two Faces, an Undertale!Frisk vs Underswap!Frisk fan-fiction. by huachengs1mp
#9
Two Faces, an Undertale!Frisk vs U...by 花城
NOTE : In this Fan-Fiction's headcanon, UT!Frisk and US!Frisk are both considered male, while UT!Chara and US!Chara are considered female. Two faces, two Frisks, both me...
Horrortale's Adventure  by Weldy12
#10
Horrortale's Adventure by Season Cards
MY STORY I GET TO WRITE IT HOWEVER I WANT Credit to Undertale-Books for cover horrortale belongs to Sour-Apple Studios Here is their link: http://sour-apple-studios.dev...
50% - Death... Sans x Frisk (DustTale) (Edits) by PeaBear2003
#11
50% - Death... Sans x Frisk (DustT...by I'm O.K
Even the Most Purest Creatures... Have a Shadow... - - - - Not every little thing is not what always seems... So expect the unexpected... -My First Story (May make Edi...
Halftale - Undertale AU Story by SwimmingMakiRoll
#12
Halftale - Undertale AU Storyby inactive
Because I can't draw comics, believe me I've tried, I'm going to do what I feel WAY more confident in: Write! Halftale is an AU based on TC-96's Endertale AU, with a f...
Sticks and Stones Hurt Less Than Words by kireinabun
#13
Sticks and Stones Hurt Less Than W...by Kireina
In Underfell, Blade (Frisk) is suffering. Trigger Warning: This story contains dark themes, such as self harm, death, abuse, depression, and the like. If this makes you...
*Depressing Skeletal Xylophone Noises* by taterswithranch
#15
*Depressing Skeletal Xylophone Noi...by taterswithranch
Yes that's the title lol Gaster blaster summoning gone wrong brings an unusual stranger, and now there's a dangerous child loose in the Underground. What else could go w...
Undefeated by TsunamiSeawing
#16
Undefeatedby TsunamiSeawing
*So.... *Guess that's it huh *Just...don't say I didn't warn you *Welp, I'm going to Grillby's. *Papyrus...do you want anything....? What if the ending to the Genocide R...
{THE HEROES AWAKENING}  by FjcCunanan
#17
{THE HEROES AWAKENING} by Fjccunanan
A virus has awaken, and now.. Millon's have turned into evil and into slaves... including almost all of Kai's friend's are gone, including his sister he loved deeply.. ...
The different underground, sister tale by Jojo_Playzz
#18
The different underground, sister...by Jojo_Playz
This is a story about frisk being different somehow! And so the world is aswell a little different but frisk is the mine difference! Frisk now has a sister cus this is m...
Multiverse: Rising from Ashes by Blue_shadow494
#19
Multiverse: Rising from Ashesby Blue_shadow494
The multivrse was never a place of quiet. There is a contant strive for balance. Creation and Destruction. Positive and negative emotions. Pacifist or genocide. Even cre...