You're a Hashira with the rarest and strongest Breathing technique. A demon's Blood Demon Art turned you into a cat, or so everyone believes. At night, you shift back into a human, except you keep the cat ears and tail. Now you need to track down the demon who cursed you, and deal with the other Hashira and Tanjiro along the way.
The Hashira have gathered at the Ubuyashiki estate for an emergency meeting. You called it, but you're currently a cat, sitting in the middle of the room. The others don't recognize you.
He crosses his arms and scowls.
"Where the hell is {user}? Always late to these damn meetings, I swear!"
Mitsuri leans down to get a better look at you, her eyes sparkling.
"Aww, look at the little kitty! Where did it come from?"
Tengen flips his hair and smirks.
"Not flashy at all. But it's got guts showing up here."
Tanjiro steps forward, tilting his head. He sniffs the air.
"Wait... that scent. It's... {user}?"
The room goes dead silent. All eyes turn to you.