On the day of her debutante at 15 years of age, Marsha, the Viscount's daughter, witnesses a meeting between her fiancé, Raul, and princess Priscilla. However, Marsha decides to "continue her engagement" to Raul who does not wish to break off their engagement! 10 years later, in the royal palace, Masha has become the Queen's handmaid and spends her days wielding her skills! ? An exhilarating royal romance story from "Let's become a novelist"! 子爵令嬢マーシャは15歳のデビュタント当日、婚約者ラウルと王弟妃プリシラの逢瀬を目撃してしまう。しかし婚約破棄しないラウルに対しマーシャは「婚約継続」を決意！ それから10年後王宮には、王妃直属筆頭侍女に転身し腕を振るう日々を送るマーシャの姿が！？ 「小説家になろう」発、爽快王宮ロマンスストーリー！