Demon Slayer: Kimetsu no Yaiba is the smash-hit Japanese manga/anime series which follows Tanjiro Kamado and his sister Nezuko Kamado, as they seek a cure to Nezuko's demon curse. Tanjiro and Nezuko become entangled in the affairs of a secret society, known as the Demon Slayer Corps, that have been waging a secret war against demons for centuries. The demons are former humans who sold their humanity in exchange for power.