I Married into a Wealthy Family in Place of My Twin Sister

【Gentle male lead + clear-headed female lead + angst in the middle + female lead becomes wealthy in her own right later + a major villain appears later】 When An Luoer returns to China, she discovers that her twin sister’s fiancé is Xu Xu, her own high school ex-boyfriend. It turns out her sister took her identity and got engaged to Xu Xu. Later, her sister An Ke’er dies unexpectedly, and An Luoer puts on her clothes... She decides to marry into a wealthy family in her ungrateful sister’s place. They have similar faces but different souls. Since her sister took her identity and got engaged to Xu Xu, An Luoer will enjoy the wealth and splendor her sister never got to experience. She looks at Xu Xu before her, handsome and rich. But life in a wealthy family is nothing like she imagined. Her mother-in-law turns on her, a mistress stirs up trouble, and everyone schemes against one another. Born poor and with no one to rely on, she endures all kinds of humiliation. The only one who protects her is her gentle husband, Xu Xu. She understands that mountains can crumble and people can leave. She has to become strong again on her own. But when she finally does, Xu Xu, her husband, tells her, “An Luoer, I’m sorry. I lied to you!”