傷んだ刀を修理するため、炭治郎は妹の禰豆子とともに鬼殺隊から刀鍛冶の里への旅を命じられる。そこで彼らは恋柱の甘露寺蜜璃、霧柱の時透無一郎、不死川玄弥に出会う。炭治郎が刀の鍛錬を待っている間に、上弦の鬼である玉虎と半天狗が無惨によって村を滅ぼすために派遣され、鬼殺隊を全滅させた。今、炭治郎と新しい仲間たちは、鬼を止めて村を守るために共に戦わなければならない。
n order to repair his damaged sword, Tanjiro along with his sister Nezuko, was assigned by the Demon Slayer Corps to travel to the Swordsmith Village. There, they meet the Love Hashira Mitsuri Kanroji, Mist Hashira Muichiro Tokito, and Genya Shinazugawa. While Tanjiro waiting for his sword to be reforged, the two Upper Rank demons: Gyokko and Hantengu, were sent by Muzan to destroy the village and wiped out the Demon Slayer Corps. Now, Tanjiro and his new allies must fight together to stop the demons and protect the village.
