Transmigrated into a Book in the Seventies: The Supporting Actress Strikes Back

She opens her eyes to find herself transmigrated into a 1970s novel as a cannon-fodder supporting heroine who won't survive past three chapters. Her stepmother has schemed to marry her off to the village layabout? Su Man, a top perfumer, tears up the script and snatches back the golden finger that should have been hers. She kicks her awful relatives to the curb, then marries the man shunned by his entire family, who will one day become a powerful military commander, taking billions in supplies with her! The original heroine is stunned: Weren't we supposed to be foils for each other? Why did she steal my space and become the cherished sweetheart of a powerful man in the capital?!