In a world of elemental gods and warring dimensions, a cursed insignia searches for its destined vessel. Born under a blood-red eclipse, sixteen-year-old Suigetsu Shibarashi is thrust into a legacy of fire, betrayal, and ancient curses. Marked by the Devil's Seal, he must survive brutal trials that test his spirit, body, and soul-or be consumed by the darkness within. As alliances falter and enemies rise, Suigetsu's journey to mastery will determine not only his fate but the fate of all dimensions.