恋愛不信な令嬢は冷酷騎士様の溺愛に気づかない

One day, the Count's daughter Rosalie witnesses her lover Hayden's cheating scene. From the Shock of heartbreak, Rosalie becomes cowardly towards Romance. However, the next Marquis Rufus, who appeared gallantly, proposes an engagement to her...!? A Romantic School Love Story between a lady clumsy in love and a notorious, cold-hearted Knight!