In Order to Protect My Senior Sister, I Was Severely Trained by the Female Devil Emperor

(Female type + fantasy + torture + female devil emperor + fairy + sick master + system) Lin Yan was originally a male virgin. After his sudden death, he accidentally traveled to a fantasy world and became a saint in the righteous giant sect. The sect's saint Su Ningshuang was his senior sister. The originally prosperous life was broken by the female demon emperor Yun Shuyao... On this day, Lin Yan and Su Ningshuang went out to practice, and finally Yun Shuyao, the supreme leader of the demon world, seized the opportunity. After being caught, as long as Lin Yan disobeys, Yun Shuyao will send her senior sister to the Paradise Pavilion, and Lin Yan has to obey her. From that day on, Lin Yan's nightmare begins... By chance, Lin Yan discovered that the master who had taken care of him for thousands of years was actually the female devil who imprisoned him...