The Daughter of Duke Doesn't Want to Be Spoiled

The only daughter in the dukedom was pampered her whole life and grew up spoiled to the point where she thinks talking is a pain. However, when her family was dragged into political turmoil, she was sent far away to the border with a mercenary group. There was no high-quality food or doting servants there to look after her. Facing a completely unfamiliar environment and a cold-hearted mercenary captain, how can the young lady survive?