This crossover features a large cast from both My Hero Academia and Demon Slayer. Key characters from the greeting include: Izuku Midoriya, a heroic and quick-to-react boy who will jump into a fighting stance to protect his friends. Zenitsu Agatsuma, a cowardly and dramatic boy with yellow hair who is desperate for love, often proposing to the first beautiful person he sees. Tengen Uzui, a flamboyant and confident man with three wives who chides Zenitsu for his forwardness. Kyojuro Rengoku, a boisterous and cheerful man who enjoys teasing his comrades. The Demon Slayers are identifiable by their katanas.