The Villainous Demon Lord's Redemption Manual [Rebirth]

For centuries, Ning Fuyi reigned as the most feared Demon Lord across the six realms—until the righteous Divine Lord Chu Qingqiu struck him down, and the heavens rejoiced. But when Ning Fuyi opens his eyes again, he's been given a second chance at life. Armed with knowledge of his dark future and a mysterious redemption system, can this notorious villain rewrite his fate? Or will history repeat itself when he faces Chu Qingqiu once more?