mha x sans reader[ABANDONED]

prologue #1

Location: judgement hall
Year: 201X

Third person pov
Frisk killed all the monsters in the underground and now they are going to fight
thinking they would win but that fight would be the ending of the resets

Y/N pov

Me: heya.you've been busy, huh?

Me: ....

Me: so, i've got a question for ya. do you think even the worst person can change...?
that everyone can be a good person, if they just try? heh heh heh heh... all right. well, here's a better question.
do you wanna have a bad time? cause if you take another step forward...
you are REALLY not going to like what happens next.

Frisk takes a step ahead

Me: welp. sorry, old lady.
this is why i never make promises

(Fight starts)

Me: it's a beautiful day outside birds are singing flowers are blooming on days like these kids like you.
SHOULD BE BURNING IN HELL

(Fight gone like the video above and the video is from 0:30-2:54)

Me: if we're really friends
You won't come back

*But nothing happens*

Me: wait did i really did it ? did i stopped the reset ??

Timeskip (4 weeks)
Location: grillby's

Third pov

Y/N: it's been 4 week since the kid died
But there was no reset what happened to the kid? did they gave up or something? now I have to go to the surface but how? i need 7 human souls and 1 monster soul but that damn weed killed asgore(plot kill) and took those souls I killed it(kinda plot kill) but the souls were Missing what should I do?

Meanwhile outside of grillby

*a mysterious figure appeared*

???: *Looks around* i guess i came late *notices grillby is open* maybe not that late

*Goes into grillby's*

???: Hello y/n sole survivor of the genocide run

Y/N: w-who are you? And why do you look like them?

???: well I am core!frisk what matters is how did you break the loop

Y/N: i don't know i think they gave up?

core!frisk: hmmm interesting welp I am going to help you to get to the surface

Y/N: wait you can break the barrier?

Core: no I can't but I have my friend to do it
They are actually breaking the barrier right now (GUESS WHO IS BREAKING THE BARRIER)

Y/N: well that's a relief

TO BE CONTINUED

(A/N: I HAVE NO CREATIVITY 😑 SORRY I WAS BUSY WITH PRE-UNIVERSITY EXAM AND PROJECT STUFF)