Feng Ni Jiuxiao: King Leng's Favorite Concubine

Archaeologist Shen Qingli accidentally traveled through time and became the legitimate daughter of a declining wealthy family in the Song Dynasty. She relied on modern wisdom to counterattack in a house fight, but was forced to get involved in the chess game played by the regent Xiao Jingheng. When she used a glazed abacus to figure out his plot to seize the heir, he held her chin and sneered: "Since my beloved concubine has seen through, she will spend her whole life sealing it up."