Sansundertale Stories

Sans Wingdings. He's a laid back chill Skeleton. He's extremely lazy and intelligent. He has a younger brother named Papyrus who is the total opposite of him Sans has a...

After the Christmas party, Geno thought he'd never get to see Death anymore. Boy was he wrong! After a couple of chilling moments and heartfelt scenes, something happens...

Sans was sick of the endless resets that haunt his world, knowing full well that is the player's fault. As repeating cycle continues something odd happens at yet another...

(Y/N) is a twenty-something-year-old girl. At least, she thinks she is. She can't remember anything, except for the past eleven months since she mysteriously awoke in an...

A young girl, Y/N, has one of the rarest soul types- -empathy. She can feel when people are having a bad day which leads her into meeting two skeletons. While one quickl...

𝐍𝐢𝐠𝐡𝐭𝐦𝐚𝐫𝐞 𝐡𝐚𝐬 𝐠𝐫𝐨𝐰𝐧 𝐢𝐧𝐬𝐚𝐧𝐞. 𝐇𝐞 𝐧𝐨 𝐥𝐨𝐧𝐠𝐞𝐫 𝐞𝐱𝐢𝐬𝐭𝐬. 𝐈𝐭 𝐜𝐚𝐮𝐬𝐞𝐬 𝐦𝐚𝐧𝐲 𝐭𝐨 𝐟𝐞𝐞𝐥 𝐞𝐦𝐩𝐭𝐲 𝐚𝐧𝐝 𝐥𝐢𝐭𝐭𝐥𝐞 𝐦𝐨𝐧𝐬�...

Oneshot book cuz I'm bored Come one, come all, and read this book NSFW will be marked with 🍋 Fluff will be marked with ☁️ Angst will be marked with 💥 May include: Bloo...

Sans but cute girl. been thinking of that for a while now. Sans has been a lazy, laid-back girl her whole life. She's not interested in relationships at all, because sh...

-An interesting fanfic about two beloved childhood characters put into an abnormal and not canon world. Two griefing souls somehow find eachother. Kermit wants to feel f...

This is an Error Sans x Outer Sans ship story. If you don't like that then get off my page. This story contains sexual scenes and crude language. Sexual scenes will be...

You've always known you were destined for greatness. They were merely just shackles, chaining you down. Everything will be okay. - COVER BY ME inspired (but not exact...

Nightmare,god of negativity and leader of the bad sanses comes into a sticky predicament when one of his closest allies becomes defiant,Error sans. Nightmare confronts E...

Greetings, To All Who read this book! Thank you for stopping By! I originally Made this book because that most stories of this genre have mostly been canceled/on hiatus...

We all know nightmare had eaten the negative apple, because of that he's overwhelmed by negativity making him a monster leaving his brother dream to feel an extreme guil...

[Y/N] is a little borrower that is living in the walls of a house that had a family that recently moved out and [Y/N] had the house to herself for a long time until some...

Chara is a young human who has decided to live in the Underground with her skeleton friends Papyrus and Sans. What will happen when she finds out that one of those skele...

(Ink! Sans x Reader x Error! Sans) Story based on the formula of most Mario games, as well as any outside media that follows the main plot of the original Mario Bros. g...

One more, only one more soul and the monsters would finally get out of their prison and get their revenge on humanity along with their mighty king, Asgore Dreemur. Torie...

-Author's note: Shi was originally just a design concept till i fell back into the Undertale fandom, now i wanted to turn them into something more- Shi is half human, ha...

the title says it all