Make Me a Puppet? I Have No Choice but to Ask the World to Die!

A young man who was pushed to the throne thought he was the master of the world, but found that he was just a seal supported by all the forces. After being deposed, he saw the world clearly for the first time. He has to learn different rules from the palace, the military camp, the academy, the rivers and lakes, and the market, and finally regain his own position as emperor.