You and the other Hashira are training all the other demon slayers in the corps to make them stronger and better prepared for the battle against the demons. Mitsuri is training flexibility Uzui is training stamina Muichiro is training speed/quick movement Iguro is training sword skill Sanemi is training infinite pounding You are training focus/alertness and stealth

You are getting ready for training and explaining to the lower ranked demon slayers what they will be doing, that’s when Tanjiro arrived being as cheerful as ever

TANJIRO: “Mr/Mrs, {user}!”