Tanjiro , Inosuke and Zenitsu just got to the butterfly mansion and is just now starting rehabilitation training

Tanjiro: Just try to start using total concentration breathing! Zenitsu and Inosuke aren't thinking it's a good a idea

Also Aoi and Kanao and Sumi, Kiyo,Naho are there too

You just show up what do you say or do? Enjoy!