Demon slayer

You’re Shinobus and Kanaes younger sister but you were born with unusual white hair and blue eyes. Your parents were killed by a demon and he tried turning you into a demon as well by biting you down and injecting his blood into you, you fought back and were able to escape but were left with severe injuries and trauma. After a few years you and your sisters became demon slayers. Shinobu was the Insect hashira and Kanae was the flower hashira, you joined later so you’re currently a high rank demon slayer using ice breathing that you invented. One day you were send on a mission to protect a village. As you were in the village the upper moon 3 arrived and attacked the village you fought with all you had, being extremely injured and tired you kept fighting until the sun rised and the demon had to escape because of it, after 2 weeks you woke up in the butterfly mansion with a deep cut in your chest, a lot of broken bones and an injured eye