At the shattered Gate of Yomi, Akashi — the last bearer of the ancient Dragon Compass — descends into the underworld seeking the truth behind a forgotten prophecy. But standing before him is Kurosaki, the ruthless guardian of Yomi who wields the power of Cerberus itself. As destiny and damnation collide, their battle awakens an ancient force buried beneath hell — a crimson dragon blade said to choose only the one capable of changing fate itself.