But it's not all doom and gloom as Tanjiro trains his inherent breathing ... and lost beau Gilbert in her new role as an Auto Memory Doll. Her job, which tasks her with penning letters for those ...

A family is attacked by demons and only two members survive - Tanjiro and his sister Nezuko, who is turning into a demon slowly. Tanjiro sets out to become a demon slayer to avenge his family and cure ...