เธอคือยอดปราชญ์ แต่พ่อของเธอเป็นอ๋อง

The hero passed the imperial examination and became the top scholar after going through untold hardships. He originally planned to return home in glory, but he did not expect that his father was actually a prince. Since the current emperor had no children, the hero was trained as the heir to the throne without his knowledge. After going through a lot of hardships, he finally repelled the foreign enemies and inherited the throne.