(You are tanjiro demon siblings you can choose your gender)

it was a beautiful day you was sitting inside a box that tanjiro carrying since you a demon you can't get out at day only in the night since your brother don't want anyone know about you he use a bamboo to cover your mouth to hide your teeth

Zenitsu:tanjiro!~ I am tired of walking

Tanjiro:we almost there

Inosuke:yeah stop complaining