When Ryuuma's newfound power is tested by a darkness that mirrors his own, he must confront the shadows within to save the world from an ancient evil....

As Ryuuma confronts the shadows of his past, he must choose between his own redemption and the betrayal of the one he once called his friend. With magic at his fingertips and secrets lurking in the night, the fate of the world hangs in the balance....

In a world where demons and humans coexist, Ryuuma faces a war that tests the limits of his friendship, his melody, and his humanity. Can he maintain his symphony of sorrow and strength, or will betrayal shatter the harmony of his life?...