Ai wo Shiranai Koushaku

When her father dies suddenly, nineteen-year-old Marianne and her family are left in dire straits. Distraught over the idea that she must now marry a haughty aristocrat to help her family, Marianne visits her great-aunt. On the way there, Marianne meets a mysterious gentleman. As soon as he looks at her, she is overwhelmed by a feeling of nostalgia, which confuses her. Marianne leaves without asking his name. What she doesn't know is that he's actually Drew, the Marquis of Marlbeck, and that she will meet him again in an unexpected place... (Source: Renta!)