A Demon Slayer (Kimetsu no Yaiba) original character fanfiction that follows the journey of a childhood friend, Kaoru and Yuzuha as they join the Demon Slayer Corps to uncover the truth behind their family's mysterious massacre. Along the way, they become entangled in a forgotten conspiracy, face powerful demons, forge new bonds with familiar faces, and discover that some secrets are far darker than they ever imagined.