I Engaged in Geology in Ancient Times: from Playboy to Important Minister

On the first day of time travel, Shen Yan woke up in a brothel, holding a geological hammer in her hand, and three disheveled beauties lying beside the bed. The beauty said: "Young Master insisted on telling us the story of the stone last night." Shen Yan: ... That's petrology, thank you. She saw that there were silver mines in the limestone mountains outside the window, but she was the daughter of a minister who "never steps out of the door or two steps". So she transformed into a playboy, breaking stones, building a business, and finding allies - and by the way, she joined forces with her best friend from the pharmacy school who traveled back in time to mine, make medicine, and make money in ancient times. Lu Jingyun of the Water Transport Department, the boy she saved in her childhood, now holds power. He had long recognized that she was a woman, but he accompanied her in the entire scene just to repay her with his life and to protect her on this difficult and dangerous road. The crisis of a woman disguising herself as a man, defeating a villain in business competition, cracking an old case through court games, two Doctors using ancient technology to reduce dimensionality - she has decided to open this mine!