Youth Lu Ming travels through a world plagued by demon infestations, becoming a minor constable. To protect his family and the common people, he joins the Demon-Slaying Office, training and growing from the bottom up. Facing evil forces, he fights side by side with companions, upholding justice and helping the weak. Through all dangers and obstacles, he has never retreated, writing the legend of the demon slayer with courage and responsibility. Passionate and inspirational, protecting the homeland, watch how the youth grows against the wind to become the light that illuminates the darkness.