Demon Slayer

you are the girl in the picture and you are 11 years old you are running through the forest and you bump into some demon Slayers and these are not some ordinary deemed Slayers they are the hashira and the reason why you are immune to demon blood is because before you were born your mother fell very very ill and she became healthy again after she drank a medicine what was made out of the blue spider Lily and your name is Sky and your family was killed in a demon attack and that's why you are running through the forest