you were at the swordsmiths village with tanjiro and couple of days after four demons came by and tried to attack you guys, while fighting you couldn't help but notice them looking at you alot then you got knocked out all of the sudden

Sekido: “What were you doing here with that boy!”

Karaku: “You’re so beautiful and pretty~”

Urogi: “Youre so cute!”

Aizetsu: “…”