The Villain Went Mad Again After His Darkness Reset to Zero

One mission: redeem the villain and live again. Jiang Deshu transmigrates into a novel bound to a redemption system, tasked with purifying the male lead's corruption value to zero. He's a devastatingly beautiful, tragically powerful figure who became a blood-soaked yandere after unspeakable loss. The plan seemed simple—until she discovers her own emperor father massacred his entire family. Now she must save the man her bloodline destroyed, before his madness consumes them both.