The Young Lord of House Finlanz

Summary

My name is Lizbeth, and I am a 7-year-old who will use the knowledge from my previous life to develop my territory!Lizbeth was born as the daughter of Margrave Finlanz. She was married off in a political marriage to Crown Prince Reinhardt as his 10th concubine. To distract herself from her loneliness, she exchanged letters with friends from other countries. However, she was falsely accused of a crime and imprisoned in an underground prison.With no one listening to her pleas, she drew her last breath alone, but..."I've returned to the past---?"When she came to, she found herself in her warm bed, back to being her happy 7-year-old self!The remote territory lady's coming-of-age fantasy starts with a loop!Hip Hip Hooray~!