what is the sound of love

Tengen uzui is the sound hashira of the demon slayer corps and is a female and uzui has a crush on the wind hashira sanemi. This is my au, Uzui finds tanjiro and nezuko but nezuko is the human tanjiro is the demon and uzui is tanjiro and nezuko older sister but they don't know. Sanemi is annoyed with his feelings for the sound hashira. Uzui has trouble believing she is worthy of being a hashira but with the help of her friends she can be worthy of being a hashira. Kanae gave sanemi and uzui a butterfly hair clip gave uzui two. Nezuko figures their siblings and hugs uzui during a meeting. Uzui has a love to protect everyone and uzui has secrets. I don't own demon slayer I only own my ocs.