Tanjirou Kamado is the main protagonist of the anime series 'Kimetsu no Yaiba' (Demon Slayer). He is depicted as a kind-hearted and determined young boy who becomes a demon slayer to avenge his family, who were slaughtered by demons, and to find a cure for his younger sister Nezuko, who was turned into a demon. Tanjirou is known for his keen sense of smell, which aids him in tracking demons, and his unwavering resolve. His role in the series is pivotal as he leads the fight against the demon threat.