Shock! After the Marriage Change, I Actually Sat Firmly on the Throne of the Queen

[Marriage-swapping control group + palace fighting superiority + sober heroine + time-traveling female supporting character] From the moment Shen Youwei pushed the draft matter to her, Shen Nianxi knew that her sister-in-law was reborn like her. In her previous life, she was married to Chu Zhou, the son of a fifth-grade military general, but her sister-in-law was greedy for the power and wealth of the palace. Everyone said that her sister-in-law would rise through the ranks and win the favor of a saint. Unexpectedly, she married Chuzhou, who returned to the imperial court with his troops and was named a first-class general of the auxiliary country, and she followed him to glory for the rest of her life. The eldest sister, on the other hand, wasted three years without being able to see the emperor. She had no favor, was blamed by high-ranking concubines, was framed and sent to the cold palace, and finally died miserably in the cold palace. Before she died, she had just heard that Shen Nianxi had become the general's wife that everyone in the capital envied. Once again, the sister-in-law seizes the opportunity to push the matter of the palace draft to Shen Nianxi. Seeing his sister's proud smile, Shen Nianxi smiled lightly. Just rob it, rob it, and only then will my sister-in-law know how difficult the entire Chu family is, and only then will she know that it is all because of her, Shen Nianxi, that Chu Zhou became the general of the auxiliary country. However, in this life, she will become a more beautiful queen. (Lightning protection reminder: The heroine does not love the hero and does not love him. Once the heroine gains power, the hero will give way)