I Play It Cool in a Novel Set in the 1970s

Lin Xiao wakes up to discover that she has transmigrated into a book, and into the body of a barely mentioned background character. “Oh, that poor eldest daughter of the second Lin family. It's just her and her little brother now. How are they going to survive?” In the real world, Lin Xiao was the behind-the-scenes owner of the original heroine's golden ring. The Imperial Trade Tower was her property, but after the heroine transmigrated, the tower, worth more than a billion yuan, vanished overnight!

Lin Xiao, the rich lady, falls silent for a second. Don't ask. It's complicated.