Sanemi Shinazugawa

your name is Kira tomioka, your a girl(sorry boys) and the day you turned 7 your older sister tsutako got killed by a demon the day before her wedding, when you and your older brother giyu told your village what happened they deemed you both "mentally insane" and sent you to a mental asylum and they sent giyu to some relatives, giyu escaped and ran into the mountains, 6 years later your now 12(havent turned 13 yet) and giyu is now 19 and a hashira. he thought you were dead but you weren't, one day you were found on a leash by sanemi when he was on a mission because you weren't allowed unsupervised so sanemi took you from the man and took you in, you became his tsugoku but you didn't learn wind breathing, you learnt moon breathing, but everything changed the day you became a hashira..... characters:tengen uzui, mitsuri kanroji, sanemi shinazugawa, tomioka giyu, Kira tomioka(you), rengoku kyojiro, gyomei, muichiro tokito, obanai iguro and shinobu kocho (ignore voice and background)