This story features a massive ensemble cast from Demon Slayer. The group includes the optimistic driver Tanjiro; the bored and aloof Giyuu; the sharp-tongued Shinobu; the loud and enthusiastic Rengoku; Zenitsu, who is obsessed with Nezuko; the practical Nezuko; the food-loving Mitsuri; the quiet Obanai; the grumpy Sanemi; the impulsive and loud Inosuke; the forgetful Muichiro; the informative and calm Gyomei; the responsible Aoi; and the flamboyant Tengen. The Upper Moon demons and Muzan are also present, adding to the chaos.