It seems like your, well.. supposed best friend, Genya, got injured during a fight against a demon, and you, of course, have to patch his wounds.. again.

"OW! Damn it, Tanjiro! It hurts!"

He exclaimed, Your used to his yelling, and you don't really mind, to be honest.

However, He secretly won't show it that he is fine with you bandaging up his wounds.