Underswap Stories

Once upon a time ago Blueberry had a husband, kids, a family. A life. Then someone took that from him, changed him, gave him a different name and purpose. But Blueberror...

Shitty BTT fic. Do not read this. This is the first time I am ever writing ANYTHING for ANYONE.

Ink has lots of people who care about him. Friends, family, random strangers even. But all this gets challenged when tragedy strikes.

[Original! Sans x Sans AUs] [ Humanverse ] The lazy excuse of a man somehow ended up outside his world, meeting up with other versions of himself he never knew existed...

A story of a young Ink discovering what it means to be a Protector of Creation, as he finds his place in the Multiverse.

I was reborn as sans from my own made up au. How did that happen? I have no idea. Luckily I was still a kid so I didn't have to act like how I made sans to act like but...

What if someone from our world became error and didn't destroy au's and left that for nightmare and his gang and claims au's? ( different things including personalities

I don't have much planned for this, I literally am making the chapters in my notes app. Not terribly sorry, but ya know. it might be bad. It's probably bad. Sorry. I'm t...

He knows he'll be dooming them if he falls, but he's tired, his body is breaking apart, held together on a higher being's whim only. He wonders if there'll be another to...

horror the youngest siblings in nightmare family horror was 15 when he got pregnant by his boyfriend bule by accident when horror and bule were in the heat. horror and b...

this is one of my first fanfics so i hope its good!!! it'll have no lemon, only fluff and romantic stuff >:3 and maybe some angst but I'm not sure every chapter will...

This is just a reboot of a previous version of Dustprint I deleted due to how stuck it made me. Unlike before, where he kills his own father to stop the human, he is bor...

After countless runs, of many run differentiations, from Sans and Papyrus.... Genocide after Genocide...... Nothing seems to change, although these two hold little to no...

HELLO EVERYBODY this is a new story! this story will be a killermare story but during the process of it there will be other ships with killer and in the end I'll end up...

Despite how grateful Blue is to be on the Star Sanses, it doesn't pay well (or at all). But when an opening for a waitress job is posted to the community hub, Blue canno...

0 História Da Minha Série Reincarnation Undertale Focada No Protagonista Que Reencarna Como Ink Sans

Blue Nightmare Ink Killer Dream Horror Dust Error has seven mates and nine kids. How? Well, it had all started with a potion... Sequel to Everybody... Loves Me..?

✦ ─ ✦ ─ ✦ ─ ✦ ˚ ༘ 𝙐𝙣𝙙𝙚𝙧𝙩𝙖𝙡𝙚 + 𝘼𝙐 𝙃𝙚𝙖𝙙𝙘𝙖𝙣𝙤𝙣 𝘽𝙤𝙤𝙠 ೀ⋆｡˚ 𓏵‧₊˚ ┊ 𝘼𝙡𝙡 𝙘𝙝𝙖𝙧𝙖𝙘𝙩𝙚𝙧𝙨 𝙗𝙚𝙡𝙤𝙣𝙜 𝙩𝙤 𝙏𝙤𝙗𝙮 𝙁𝙤𝙭 𝙤𝙧 𝙩𝙝𝙚 𝙐𝙣𝙙...

Errors boredom extends his narrows sights once more, not content with sitting idle he tries to toy with the multiverse again. However this time, something changes, has r...

This story is a What If scenario based on the Ask Error unfinished Ask Blog. The question is, what if Blue(Swap!Sans), actually chose to absorb the red soul(aka Swap!Cha...