Your Highness the Crown Princess, You're Pregnant

Ye Zhenzhen transmigrates to the Great Jin dynasty and gets bound to the [Good Fortune System].

The young and capable Crown Prince has no children. The emperor says that if he remains without an heir, he will strip him of his title and appoint another prince instead, so the empire won't be left without a successor.

The System tells Ye Zhenzhen that if she wants to return home, she must win over the Crown Prince, bear him a child, and take the throne as empress, ruling the realm with virtue.

Ye Zhenzhen thinks it over and decides she'd rather die. Making an unmarried 26-year-old woman give birth to a man's child out of nowhere would be worse than killing her...