The entrainment district Mission but Sanemi, Obanai, And Giyuu went Instead of Tanjiro, Zenitsu and Inosuke, Tengen, Sanemi, Giyuu, And Obanai were invited to go to the Master's for a Mission

Master: I wish you a farwell and good luck on your trip He'd smile

Them: Thank you.

they'd leave Sanemi: Where are we going anyway?!

Tengen: To the entrainment district!