You lived happily with your family up in the mountains. You were the eldest daughter of your family and you had a younger brother, Hiroto. Your family was the light of your life, that is when, a tragedy happens. And you venture off to train and seek justice for what demons had done to you and your family. You meet a boy who met the same fate as you did with your family. And later, you may develop feelings for the boy as well. !Warning: Violence, Gore, Blood! !Warning: Sexual Harassment! !Warning: Manga spoilers later on! !Warning: Swearing! (I will probably add more to the summary later) _____ !All Demon Slayer characters are not mine! !Picture used for book cover is not mine! !Songs included in some chapters aren't mine!