Muichiros sister

You are muichiros little sister he is a demon slayer and because you guys don't have parents you guys live at the hashira mansion were the other hashira live anyway muichiro didn't have to do anything today so he has to take care of you since your only 10 and shinobu is one of the hashira to she is helping muichiro take care of you since he's 14 the hashira all think your adorable the hashira are (giyu he is quite and emotionless) (mitsuri is kind and very pretty) (Shinobu is kind to you and has a crush on giyu the quiet one)