In the turbulent Akatsuki Special Ward, besieged by foreign factions, lawlessness reigns as its people suffer. Enter the Scard, individuals empowered by mystical tattoos, including Eiji Arashiba, the revered Hero of Akatsuki. When faced with the ruthless Dusk syndicate, Eiji finds an unlikely ally in the young Yamato Kai. In a critical moment, Yamato sacrifices himself to shield Eiji, leading to a transfer of the divine tattoo. Now burdened with this newfound power, can Yamato rise to the challenge of safeguarding his community, or will the shadows of conflict consume him in the quest to become the ward's next savior?