Y/n, who is 18 years old gets rescued just in time by demon slayers when her whole family is killed by Muzan. Y/n is mostly silent, she chooses not to talk for a while until she becomes comfortable around the demon slayers. As she heals from her severe injuries and learns how to fight, she and Giyu Tomioka will become closer. Will Y/n be able to avenge the death of her family?