The Princess 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?