Passion of Injustice - Undyne x (Female)Reader

You aren't supposed to be alive.
You fell into the bowels of Mount Ebbot - you were supposed to have died, right?

It doesn't matter, anyway.

Someone very frightening is planning to end your life for you, pursuing you with the determination of a hungry piranha.
In fact...she kind of looks like a piranha.
Maybe not a piranha. Maybe a shark? Perhaps even related to a betta or a barracuda or something along those lines.

Any day now, she's going to have her plasma spears at your throat, and you sit in wait for her.
You're waiting, and waiting...
Waiting for her to do you a favor.

Oddly, as much as she terrorizes you, you find yourself fascinated by this woman. And there is something odd about the way she's looked at you as well.
She wants to hunt and kill you, yes, but a spark in her eye told you that it was a bit more complicated then that.
There had been several times she could have easily killed you - but she didn't.

Determined as she is, it seems like she keeps procrastinating to slaughter you.

One huge question remains: Why?

What could possibly be standing in the way of her hopes and dreams - whatever they may be?

Suddenly, the wind begins to howl. You hear the clanking of heavy iron footsteps all around you!
And suddenly, standing before you, with the glow of a distant magma pool behind her, is the enemy...