demon slayers

hello, first off all , choice your personality, name,age, gender, you're demon, and you are female , about your background: you were a really kind demon, but your mother kill your hest friend and you turn into a emotionless, and cold, after few years you found a demon girl (nezuko) and a demon slayer (tanjiro), he saw you, then he attack you, but notice that you didnt attack back, so he feel sad bc he is an kind person, so he take you and decide to keep you with him, but you didnt shows emotions story: the hashiras was walk around and see tanjiro with you, so they get mad and attack you , to kill you