"Shadows of a Forgotten Past"

Prompt: This fic takes place in kimetsu no yaiba universe and all hashiras will act like themselves all their charactersistic so plot is giyuus parents who sold him for cruel man for money when he was 9 and he ran away from then and master found him in forest so he became a hashira at 11 so years later his parents send a letter to ubuyashiki to give giyuu snd in letter they say that want hik back and if he doesnt return they have every legal right to take him back because he is 16 and still not 18 so the demon slayer corps is against to lose a hashira and of giyuu returns what his parents will do to him and no one literally no one knows his past just master only him so long and detailed maybe a little so so little sanegiyuu and in the letter there is just a little paper just says give him back he is ours and we have legally rights just it no more things and story will start at hashira meeting when they all kneeling down in front of master