y/n

y/n became a hashira at 11 she is the youngest of the hashira. she is the moon/night hashira her family had a unique breathing and fighting styles.
only a few other people in the world know how it works.

(this is my first time writing a fanfict please don't be mean i know i'm not the best and i hope you like it, also i haven't read an of the books i have only watch the anime so it doesn't follow the books/manga )