Reincarnated into Demon Slayer with a System

Survival.

That's all the girl knew.

When her life ends at the hands of her own flesh and blood she expects the peaceful grasp of death, but instead of meeting the grim reaper, she awakens in a strange place with an unfamiliar body-a life reborn in Taisho Japan.

Here, she is Lirael, a girl cherished by a loving family, far removed from the horrors of her past.

But another thing gnaws at her, what is this system?

And where in the world is she?