Exchange Fate! She Saved the whole family and the Short-Lived Marquis!

Fu Shinian, an extra character in the original book, awakens to find that her whole family are the vicious villains in the story.
Her father, unable to establish relations with the Marquis Changping's residence, is demoted and exiled by the male lead.
Her mother is beaten to death on the road to exile, and Aunt Cheng is humiliated to death protecting her chastity.
Her elder brother opposes the male lead to win over the female lead and dies saving her.
Her elder sister makes life difficult for the female lead, and after their father is exiled, she is divorced by the male lead and sent to a pleasure house.
To protect her family and change their tragic fate, isn’t it fair for her to absorb all the male and female leads' fortunes?
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[Ding! Male and female leads' fortune -1000, Fu Mansion's fortune +1000]
Mr. Fu: "I attended the morning court session, why did His Majesty promote me again!"
Madam Fu: "I went to the temple to offer incense, and the master said I was surrounded by a powerful purple aura!"
Aunt Cheng: "How did the Cheng Family suddenly become the imperial merchants!"
Elder Brother: "It seems like I suddenly have gained intelligence, I know all the exam questions!"
Elder Sister: "How come right after I broke off the engagement, Little General Gu came to propose?"
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The Marquis Changping can only live to 25, in two years the title will belong to the male lead?
She frantically absorbs the fortunes of the male and female leads to boost the Marquis Changping's fortune!
During the plague lockdown, Fu Shinian brings medicine and travels long distances into the city to safeguard his health.
He understands the girl's intentions, but he only has two years left to live, how can he drag her down.
However, why does his heart ache so much watching her with someone else?
Finally, the Marquis Changping forces Fu Shinian into the corner of the study, lowering his head to seek her lips: "Niannian, I was wrong."