The Undercover Concubine Turned Out to Be Bai Yueguang, the Eldest Young Master of the Hou Mansion

A modern good-for-nothing girl travels to ancient times and becomes Shen Changge, the eldest daughter of the Prime Minister's Mansion. She wakes up in ruins at the beginning. She relies on the farming system to open a restaurant in ancient times and establishes an intelligence organization. She is hired by the second young master of the Dingyuan Marquis Mansion with a large sum of money and becomes the eldest young master's concubine. The cold young master looks down on no one and only favors his concubine. Dark-bellied sweetheart, Machiavellian house-fighting