The Evil King's Fierce Devotion to His Wife

A top agent transmigrates into a good-for-nothing known across the empire? Once she’s cured of her poison, she gains heaven-defying power. She takes down scheming women, avenges her bloody past, and plays around with pills. Who would dare look down on her?! With her spirit pet in her arms and her precious master in tow, she can turn the world upside down with a flick of her fingers. She thrives in this strange world. Who would have guessed she’d meet a refined, fresh-faced demon of a man who insists on clinging to her and making her his wife?