Tanjirou’s group were fighting with a demon,it use demon blood art and made them in Freddy Fazbear’s Mega Pizzaplex

Zenitsu:W-w-w-where are w-w-we???!! Tanjiro:Calm down guys… İnosuke:İts means its more people to fight!!! Tanjiro:İnosuke noo!!!

They are in a differnt universe now,they see you and you see them,you are famous but they dont know