Y/N is a Demon Slayer, she lost all of her family to demons so she learns from old books her families unique "breathing forms". Y/N trains hard and meets a lot of caring people along the way of her journey to avenge her family. After some time Y/N becomes the strongest Hashira, but no one knows since she always keeps to herself. Please read my story to find out more about Y/N and her relationship with Giyuu Tomioka!