The Powerless Lady's Marriage to the Cold Hero - Her Husband Was Once Her Devoted Student.

Original Manga
While the Imperial Palace bustled with the struggle for succession, the Fourth Princess, Via, was growing anxious. The reason — her lecherous stepfather, the Emperor, had hinted that she should become one of his concubines. Until now, Via had lived quietly under the guise of being frail and sickly, keeping herself out of sight. But remaining still would only make her situation worse. So, she decided to propose a temporary concubine contract to the leading candidate for the next emperor — the First Prince, Alec…!