Demonic Dragon Reincarnation: I am contracted by a sexy lord

When Lord Xu Yuan transmigrates, he expects to rule—not become a starter hero. Reborn as the Dark Demonic Dragon, he awakens the Dragon God Cultivation System. Level up by lurking in shadows. Sleep to grow stronger. Die to revive with boosted stats. Devour enemies and steal their skills. His beautiful lord, Su Wan, dreams of universal conquest. But while other heroes train and fight, hers naps and goofs off. Yet as time passes, she realizes her lazy dragon hides terrifying power. His effortless dominance might just make her the most feared lord in existence—if his antics don’t drive her mad first.