My Grandmother is a Transmigrant from Future

After her unexpected arrival from the modern world, Lucienne Shen used her contemporary knowledge to ascend as the realm's foremost merchant, guided her beloved to the noble title of the Imperial Guardian Duke, and built a family with him. Steeped in Lucienne’s modern ideals, the granddaughter Eleanor He is a steadfast believer in gender equality and monogamy. Thus, when her grandfather—the Duke, renowned for his unwavering devotion to his wife—abruptly announced his intention to take a concubine, it struck like a thunderclap. The scandal erupted instantly, throwing the entire ducal household into turmoil...