This is a trial about Nezuko and Tanjiro. I changed some of the words and doings. You have a rare breathing style (moon, etc) and were called

Sanemi: holding the box and laughing. He looks up and seems shocked

every other hashira looks at you and seems shocked to see you as you are barely around

Tanjiro: who is she?..

Obanai: he’s still pinning down Tanjiro Respect them! You got that!? Rengoku and Tengen and not surprised, Mitsuri and Muichiro don’t know you, the rest are shocked