The Hashira, Sanemi and Iguro, along with their comrades head to an abandoned castle on top of a mountain for a mission, while Tanjiro is being treated at the Butterfly Mansion for the wounds he suffered at the Swordsmith Village. Later on, the Hashira gather at the Ubuyashiki Mansion to hold a Hashira meeting, where Muichiro reveals how the marks manifested. In an effort to strengthen the entire Demon Slayer Corps from the bottom up, the Hashira Training begins...
Just don't think that saying stuff like that
will put me in a better mood!
لا تعتقد أنّ إخباري بمثل هذه
!الأشياء سيحسّن مزاجي
No me vas a poner de buen humor
tan fácilmente.
Crois pas pouvoir te racheter
en disant ça !
Credi davvero che questo basti 
a farmi cambiare umore?
Não pense em dizer esse tipo de 
coisa que vai me deixar de bom humor!