Chilling Steel

Follows the storyline of Demon Slayer only from a different pov.
After losing her family to a murderous demon, Setsuna is left with nothing. No home to return to and nothing to her name but the clothes on her back. But, after being discovered by a wandering swordsman, she trains her in the art of slaying demons. And from her training, Setsuna sets out on an incredible journey to avenge her fallen family.