[I'll Update. Eventually] A Living Hell (Sans X Reader)

Warning: Curses and Slowburn. You have been warned. So if you just decided to come here just to complain, gtfo. Simple.

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In 199X,

You fell into the underground.

The monsters took you in as their own.

You had a 'family' down there.

A 'mother'.

A 'father'.

A little 'brother'.

A golden (literally) friend.

You even had a crush on a 14 year old monster, who was also your best friend.

Things were going pretty good.

Well, until &@$7€® decided to turn you into a lab rat.

You escape the underground, accidentally killing 5 or more monsters.

201X.
When the monsters make their way back to the surface, you find out how much you are lost in time.

You had apparently lived in a timeline that did not exist, made friends with monsters that no one remembers, and guess what?

You weren't remembered as well.

No monster that lived 15 years ago remembers you.

No one.

Except Sans.

It gets worse.

He remembers you killed his dad.

And he's giving you a living hell.

Disclaimer: UNDERTALE is NOT mine. It is by our beloved Toby Fox, le annoying dog. XD