Bloodshadow: The Worthy Daughter's Plot to Save the Nation

The modern world's top mercenary, Blood Shadow (Ning Moxue), possesses a military supply space and unparalleled medical skills. She transmigrates into the body of a framed legitimate daughter of an ancient prime minister's household and is forced to marry in place of someone else to the God of War Prince, Lu Mohan. The two join forces as equals and ultimately become the founding emperor and empress of a new dynasty.