Amelia, a countess's daughter, is called a 'hideous lady', 'a ruthless person', 'the plague god of the Hagul family', and 'bones'. As her names suggest, her appearance is appalling; she is emaciated, has unhealthy skin, and wears dirty dresses. Abused by her stepmother and stepsister, she is neglected, barely fed, and isolated in an outbuilding. To the Hagul family, who seek to rise in rank, Amelia, born from an affair with a maid, is nothing more than a burden. Unloved and unwanted, she faces a bleak future. One day, while collecting weeds in the garden to supplement her meager meals, she receives a marriage proposal. Her prospective husband is the infamous Duke Logan, known in social circles as the 'tyrant duke'. Initially, Logan is cold and distant, stating that their marriage is devoid of love. However, he soon reveals a kind and honest nature, albeit with a sharp tongue. He buys her new dresses, ensures she eats three meals a day, and unknowingly dotes on Amelia's resilient and positive spirit. Logan also discovers Amelia's unique ability, honed from her desperate life. Meanwhile, Amelia's family is on the verge of collapse. This is a story of an unloved lady who finds happiness with a slightly harsh but kind duke, who recognizes her abilities and showers her with affection. The story includes heartwarming elements, sweet moments, and some satisfying revenge elements.