In a world where light is revered, Evenia von Erebus finds her solace in the shadows. Branded as defective and trapped within a noble house steeped in cruelty, her existence takes a turn when a thief with crimson eyes and a cryptic purpose appears. Unwittingly, Evenia holds the key to a secret that could shatter the boundaries of their reality. But is she ready to uncover a truth that lies hidden in the dark?