Undyne Stories

You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, act...

Y/N L/N, lost after the disappearance of his sister and the death of his father. This pain caused Y/N to be quite the uncaring individual... not helped by his past mista...

[season one] [Y/N] had always struggled to put effort into anything, despite the immense potential simmering beneath the surface. Ever since that fateful day when everyo...

It had been six months since Jaune Arc dissappered from the face of Remnant. It has been four years since Monster Kind had been freed from the Underground. On Remnant 7...

(Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidental...

What if Sans only got Papyrus away from Gaster? What would happen if Alphys found him trapped years later? Can they teach him to be a normal monster, or will he forever...

(Y/N) absorbed a monster soul when she was little, gaining skeleton powers. Many years later, (Y/N) and her sister Frisk fall into the underground, meeting Toriel, their...

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...

Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty. They're your siblings now! Cute, edgy, as much angst as you want, sad-whatever! Reque...

Everyone has a happy ending. If you're not happy it's not the end . . . . •°•°☆°•°• Y/n (that being you) fell into the underground...

Something I've been thinking about making for a while now. I hope you guys can enjoy it! (Warning! Themes of suicide and depression are in here as well! If any of that b...

Undertale is going to react. This will not be entirely canon and will include aspects of what I believe (backstories, ect.) I do not own the cover and I do not own any o...

I was just a 19 year old, living my mundane life, until I died... and was REINCARNATED!? And not only that, I was reborn in the famous videogame release in 2015 Undertal...

Clover doesn't give up his soul because justice still needs to be delivered. The Wild East, and later practically the entire Dunes, declares independence. They declare...

Just a bunch of comics about Undertale.I do not own this comics.

Just what you'd expect. Pardon my lack of knowledge about this AU. I just like the concept. Both Frisk and Chara are girls. Characters may use absolutely differen...

Sans has had an interesting past. A past that even his beloved brother barely even knows of. A past that, despite being so long ago, always finds a way to bite back. A...

"How rude, not even gonna ask for a name??" He teased. "Why are you here?" You glowered, raising the whisk. The skeleton scoffed: "Well, glad yo...

Error can take it no longer. After centuries of Pain and suffering, Error no longer cares what happens to the people who caused him pain, and now wants to leave the plac...

So harem book of Charas and Frisks x male reader but real description is below this. The only one of his person in all universes is part of Undertale with an OP powers b...