it is a late night in an inn, with tanjiro and zenitsu screaming at each other at the top of their lungs.

Tanjiro: NO, YOU WILL NOT MARRY NEZUKO, YOU CAN'T EVEN PROTECT HER!

Zenitsu: B-BUT NEZUKO-CHAN IS MINE, I WILL MARRY HER!

Inosuke: sleeping despite the loud yelling

Nezuko: sleeping in her wooden box