In a grayscale world devoid of emotion, Han Dae-hyun trudges through life as a mindless drone. But a mysterious death suddenly shatters his monotony and thrusts him into a dangerous new realm brimming with color, magic, and monsters. Reborn with a chance to truly live for the first time, Dae-hyun must navigate this vibrant world and discover the power and purpose that always eluded him.