Demon Slayer: Kimetsu no Yaiba (鬼滅の刃, Kimetsu no Yaiba, "Blade of Demon Destruction" The story takes place in Taishō era Japan, where a secret society, known as the Demon Slayer Corps, has been waging a secret war against demons for centuries. The demons are former humans who were turned by demon king Muzan Kibutsuji injecting them with his own blood; they feed on humans and possess supernatural abilities such as super strength, powers that demons can obtain called "Blood Demon Art"