The Secret Hashira - Tomioka Giyu x reader

A demon slayer inspired Tomioka Giyuu x reader story

(y/n) always assumed she was an ordinary girl, but that was only 'til she witnessed the only family she had left get brutally murdered by a demon. Much like our lead character in the original story, Tanjirou, (y/n) was found by demon slayer and was trained to become one, except it was soon discovered that she possessed unnatural abilities unlike any other demon slayer. When found by the man known as Oyakata-sama, a deal is made between the two. (y/n) would be trained behind the scenes as a secret hashira that no one knows about, only to be used in the worst possible scenarios. The only person other than the two who knows about this secret hashira in Tomioka Giyuu who is given the task of training this unnatural girl to become a weapon. Only a weapon. But when hours are spent together, this girl might not just be a weapon to him. Perhaps something much more