"Dear (Y/N)" (Tokitou Muichirou x Reader)

(L/N) (Y/N)'s world was flipped upside down after the loss of her parents. She began to feel hopeless before meeting Rengoku Kyoujurou and becoming his Tsuguko, finding a new purpose by dedicating her life to serving the Demon Slayer Corps. There, she meets Tokitou Muichirou, along with other amazing people, and learn...