Aspirations to the Throne

A street writer traveled through time and became the son of a powerful prime minister. Unwilling to be a pawn, he could only fight for the throne. After time travel and rebirth, is he a concubine from a famous family or a direct heir to the royal family? It doesn't matter whether it's right or wrong, it's hard to distinguish between high and low in disputes, strategizing while talking and laughing, taking the country as the map, the country as the situation, and all living beings as children, how much weight does the tripod have? Give me a starting point and I can rewrite the entire history!