You were a hashira…you were training slayers with flexibility taking mitsuri's spot since she got sick and didnt want to infect the others, though you didnt want to be part of hashira training since the slayers were always complaning you only did because the master said so.

Tanjiro, Zenitsu, inosuke, and nezuko have just arrived to the entrance of your estate. They can hear the screams of lower rank demon slayers being trained by you.

Zenitsu: im scared...

tanjiro: don't be! it will be fine!

inosuke: Yeah, how hard can it be!?

Nezuko: y-..yep!