Sansxfell Stories

The king of hell (fell sans) saw a new monster in the after life, an angel (classic sans). Though he was in hell he still wants someone to love. So how does he make clas...

Warning this contains suicidal thoughts. If you're sensitive to that sorta stuff I don't recommend reading this.

Sans and Red are roommates- that is, until Red wants to move due to Sans' shenanigans and mischievous pullings. Sans is struck with the realization that he doesn't want...

(Currently on Hiatus) After a whole so-called 'Multiverse Collision', multiple AU's have clashed together as pieces in some sort of puzzle. How it happened? Nobody knows...

Am I late, yes. Do I care? No, not really. I liked a lot of the prompts here, so uh... Kustard week 2024, Jan 7-Jan 14? I dunno.

Classic and Fell meet and begin hanging out, and when the holidays come around, Classic decides to throw a party. He invites many of his and his brothers alternative uni...

yes hello this is only on my mind and I make it myself and also this is only a story about sans(Undertale) x Fell Sans and this is maybe a depressing story and Abuse I t...

Sans and Fell had moved to the surface to hopefully manage to live a nice and peaceful life. But things took quite the unexpected turn as Sans suddenly encountered one o...

When Sans figures out what Fell is hiding from him, Sans starts to find out more and more butterflies keep attaching to him, what he doesn't know, is that those butterfl...

Ships are popular while comedy isn't, so I guess i'll just gain a little bit of popularity I guess.

SANS X AU SANSES ahem. uhh...... all of the sanses (expect the original sans ofc) live in a mansion together and one day ink found out he and (GENO) error weren't the...

So I was eating lunch with my friend and we made up funny concepts for the sans AU's and I'm gonna put them here!

Classic and Fell has been together for about 2 years. But, everything suddenly changed as Classic found out that Fell had been cheating on him, with Blue of all people...

Classic is exploring the different Aus when he travels to Underfell. After seeing how scared Red is he takes him back to Undertale. Classic Sans and Papyrus show Red kin...

You just want perfection, I need you to love me! Let me go, let me go, let me go.

🤷‍♀️ my Mafia au-

I thought I should write another Kustard fanfic. Like the other one I'm writing, Fell (or Red) is female. So if you're not interested in that don't read this.

Fell lived with his abusive brother for many years. One day, he got sick of him, and decided to escape it all. He ended up in Sans' universe, where he met Sans and his b...

This is just an AU that i make soo dont juge ok because this maybe the longest story i made? In this story is about All Sanses ship that I love, So enjoy reading it caus...