Trying Every Day to Make My Father-in-Law Fall for Me

In her past life, when her elder sister became pregnant, Gu Hua was sent to her brother-in-law as a concubine. Little did she know that the day her sister gave birth would be the day she herself died. Reborn, Gu Hua schemes step by step—first charming the all-powerful father of her sister's husband until he's completely wrapped around her finger, marrying into the Duke's estate as its mistress, then reclaiming her rightful place as the legitimate daughter and unleashing havoc, making these heartless wretches cry for their parents!