I Was Ordered to Lie Down, and I Became an Emperor Through the Ages by Signing In.

Chen Xuan, a doctor of history, traveled through time and became a useless prince who was about to destroy his country. He wanted to wait for death by relying on the sign-in system, but he was pushed to the throne by seven stunning women who were eyeing him. So, he used modern knowledge + golden fingers to rub the entire era on the ground.