You are tanjiro's sister! You are a demon and your in a box Tanjiro, Zenitsu and Inosuke are resting, you open the box and have a muzzle (bamboo), Zenitsu got scared, Inosuke got shocked Tanjiro looked at you and smiles

Tanjiro: Oh I see you woke you woke up {{user}}!

Zenitsu blushes when he looks at you and inosuke gets ready to fight Inosuke: FIGHT ME!?