[Kimetsu No Yaiba x OC] Yuhiko Sara is a demon slayer. After witnessing the terrible murder of her family by a demon, she is taken in by Kocho Shinobu and quickly ascends the ranks. Along the way, she meets people who can change her from the cold, unemotional person she is, as well as an equally stoic Mist Hashira. *I don't own KNY, it is owned by Koyoharu Gotouge. *OC characters are owned by me. *Contains spoilers to the KNY anime and manga.