The prince of Zhao was forcibly sent to Qin as a hostage. The King of Qin took a fancy to him and forced him to become his male favorite. A few wasted times. The prince of Zhao Kingdom gradually became stronger, secretly helped his country, and counterattacked Qin Kingdom.
What the fate of the two will be in the future cannot be spoiled too much. Types of novels: pure love, palace fighting, minor abuse, sweet novels, alternate history.