I Practiced Time Travel Martial Arts and Practiced the Sunflower Book

Lin Haoran accidentally traveled to ancient times and became the son of a general. He was hunted down when he didn't want to. After successfully escaping from the killer, he was rescued by someone from the enemy country. Unexpectedly, this person's purpose was to make him a eunuch. He tried every means to escape the protagonist, but in the end it was useless. He wanted to cry without tears, but he was asked to find a way to change his life in one day.