I'm Pregnant with a Tyrant's Child

Gu Yutang, a dignified prince of the first rank of Beizhao, was deceived one after another by the same person and lost everything. Finally, he went dark and plotted to usurp the throne and became a tyrant. The first thing he did after he won the throne was that the tyrant immediately ordered that Ruan Huai be imprisoned in the palace and not allowed to leave the palace even half a step. ... So Ruan Huai doted on the harem alone, and languished in the palace every day eating the popular food and drinking spicy food, and was raised to become more and more delicate and charming. Later, when the tyrant saw that Ruan Huai had no intention of repenting, he also claimed that he wanted Ruan Huai to survive but not to die because he did not know how powerful he was. ... Within a few months, Ruan Huai finally lived up to his mission and became pregnant with the tyrant's child. A year later, Ruan Huai gave birth to a cub. The tyrant took a look at the cub, took Ruan Huai's white and soft little hand with a solemn expression, and cruelly ordered Ruan Huai: "Give me another litter." As soon as he finished speaking, Ruan Huai slapped him away and said, "Get out..." [The domineering, sultry, innocent and loyal male protagonist x the gentle and sinister, soft and cute female protagonist]