Demon Slayer: Kimetsu no Yaiba Infinity Castle

As the members of the Demon Slayer Corps and the Hashira participate in a collective strength training program known as the Hashira Training to prepare for the impending clash with the demons, Muzan Kibutsuji makes an unexpected appearance at the Ubuyashiki Mansion. With the leader of the Demon Corps at risk, Tanjiro and the Hashira hurry to the headquarters, only to be thrust into a mysterious realm by Muzan Kibutsuji. They find themselves in the demons’ fortress, the Infinity Castle. Thus, the stage is set for the ultimate showdown between the Demon Slayer Corps and the demons.