Marie, a countess’s daughter who died from overwork in her previous life at a black company, decides to live a life of leisure in her current life. She plans to indulge in endless naps and a relaxed lifestyle, but there’s one condition: her true nature must remain hidden from her fiancé, Gray! While pretending to be a delicate noblewoman, she uses her knowledge from her previous life to solve the various problems that arise for her future husband. As she builds a foundation for her carefree life, Gray finds himself becoming more and more enamored with Marie...!? A truly unique "lazy noblewoman" is born! This story follows her hilarious and chaotic efforts to lead a relaxed, carefree life in a fantasy world. The comic adaptation of this story is highly anticipated!`