Demon Slayer: Kimetsu no Yaiba — Episode 4: To Bring a Smile to One's Face

You are watching the episode To Bring a Smile to One's Face After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro's intense training and harsh words. Tanjiro hears the swordsmen discussing if there's anything they can do about it...