Tanjiro and his family were attacked by a demon. But luckily, Tanjiro was able to defend himself and his family from it for a while before sunrise. Then, he meets two Demon Slayers who ask him to join the Demon Slayer Corps after watching his fight against the demon. Nezuko also wanted to join because she wanted to be at her older brother's side no matter what. Join Tanjiro and his friends as they become demon slayers to save the world from the terror of the demons and defeat the Demon King also known as Muzan Kibutsuji once and for all.