Help me find a time-travel novel

The story was about a modern otaku who transmigrated to the United States in 1990 and became a little girl. He wrote down the scripts of the American movies he had seen in the modern world and sent them to the directors who made the movies. He also acted in these movies. He couldn't remember the rest. Help me find them.

Answer 1

A romantic time-travel novel that traveled back to ancient times: Return to the Ming Dynasty as a Prince 。