Raising My Dark Husband

Once a school beauty, Qiu Yingying transmigrates into a matriarchal kingdom as a destitute stepdaughter, with a sickly husband who coughs blood at the slightest movement. Fortunately, she receives a 'Loyal Dog Raising System': if she raises this cheap husband into a famous general, she can coast to the peak of life. She clothes him in winter, fans him in summer, and chases anyone who bullies him with a broom. As his martial arts improve and his military achievements grow, Qiu Yingying smiles at the system prompts, thinking her fortune is secure. But just as she plans to retire and take a few handsome servants, the once meek youth crushes her system in the dead of night, pulling her into an iron embrace: 'Yingying, in this life, you can only look at me.' 'Otherwise—I'll break your legs and keep you for life.' — Description from novelcodex.org