Demon Slayer Corps. The Demon Slayer Corps (鬼殺隊, 𝐊𝐢𝐬𝐚𝐭𝐬𝐮𝐭𝐚𝐢) are an organization that has existed since ancient times and is dedicated to protect humankind from demons.
There are hundreds of Demon Slayers within the organization, but they act in secrecy, even from the Japanese government.