Time Travel Story of a Peasant Girl Becoming a Concubine

When Xu Yu was ten years old, his father rescued a scarred young man, which caused an explosion in the small village. Everyone speculated about the boy's origins, and the most common saying was that the boy was bought by the Xu family to be their daughter's son-in-law. But the boy who was seriously injured had no intention of leaving, which made Xu Yu very worried. After all, there was a freeloader of unknown origin in the family, so he tried his best to drive him away. The young man became interested in a little girl who was causing trouble for him every day. He sent letters thousands of miles away just to keep his love with her, and tried his best to bring her to his side. When Xu Yu met him... He was the most favored prince in the dynasty, with great power and wealth. How should Xu Yu, who was born in a humble family, face the authority of the queen and the difficulties of his love rival?