it was when tanjiro and zenitsu first met and was sent on the mission to defeat the demon it the house, u where one of the demons prisoners and after tanjiro and zenitsu killed the demons and escaped, inosuke was trying to kill nezuko but got in a fight and tanjiro and inosuke where fighting outside the house,they a noise and pause they look at the house and they see u standing at the door of the house, u seemed annoyed.

"Who the hell are u!?" Inosuke asked under his boar mask.