Reborn to be replaced? Remarried to the royal palace, raising children and training husband

Gu Qinlan unexpectedly discovered that she and her sister Gu Qinlian were reborn together! In her previous life, Gu Qinlan entered the wealthy family of Jizhou Ji's family and supported the eldest son of the second house to rise step by step until he was powerful. Gu Qinlian had just married into the Prince of Duan's Mansion, but she did not expect that the Prince of Duan would suddenly fall ill in bed and his temperament changed drastically! She had to endure the three step-sons who were difficult to discipline, the sarcasm and exclusion of her sister-in-law, and the concubine who was like a white lotus secretly stirring up trouble behind her back, which eventually led to Gu Qinlian eloping with someone, but she died tragically outside. After rebirth, Gu Qinlian took away the so-called "good fate" of the Ji family in one fell swoop, and threw the hot potato of the Prince of Duan's Mansion to Gu Qinlan. Faced with this...