Xuyên Thành Chủ Mẫu, Tôi Ra Tay Chỉnh Đốn Hậu Viện

A modern student wakes up as Evelyn, Marchioness of Ironhold. Instead of weeping for her clueless husband's love, she rewrites the rules. She slaps her husband, threatens divorce, and even marries off his concubine! Can a 21st-century girl conquer a ruthless feudal mansion, or will the ancient hierarchy claim her as its next tragic victim?