YN was a normal girl. Both parents alive, a younger brother who loved her and no demons harassing their village. Still she decides to become a demon slayer and is confident to become the most powerful. until she meets an annoying boy with a weird mask. will he be able to discover her deep secrets and break her hard shell? Or will he experience the same pain she once felt? I do not own any characters of this story, this does not completely follow the story line but some spoilers are included! TW: Mention of: self harm, Suicude, Alcohol, Sex, violence, blood. (INCLUDES SOME SMUT) (PLAYS IN A MORE MODERN WORLD AND EVERYONE IS 18+)