My Wife Gave Birth to Twins, a Boy and a Girl, and the Daughter Among Them Was Not My Biological Daughter!

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The plot is that the heroine gave birth to a pair of twins, and the boy seemed to be raised by the heroine. The girl thought she was dead, but in fact she was not. Instead, she was abandoned by the daughter adopted by her biological parents. By coincidence, the heroine's daughter was picked up and adopted by the heroine's brother.