The Deadly Woman (Yandere KNY x F!Reader)

A Hashira. Deadly. A key. Beautiful. Lovely words to describe (Y/N). The Death Hashira, (Y/N) (L/N), is ruthless and has a cold heart. But what happens when she shows her true colors? When she reveals secrets only her family knew? (Y/N) never foreseen this happening... Will the secrets of the (L/N) family stay hidden, or will all of Hell be released?

This book is for mature readers due to the following:
Suggestive themes
Violence
Gore
Partial nudity
Mentions of rape
Sexual themes
I do not own Demon Slayer, this is a fandom. I take no credit from the real creator of Kimetsu no Yaiba. I will not disrespect Koyoharu Gotouge in anyway.

Warning: Book will contain some spoilers from manga and anime.